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SEIKO Power Supply IC Line-up
　
Voltage Detector
精工的高精度电压检测芯片是基于CMOS工艺技术。检测精度在 ±1.0% 到 ±2.0%，检测电压在芯片内部已固化，应用方便；输出类型有 Nch open-drain 和 CMOS (push pull) 两种。
Model No. Chinese
Data
Sheet		 Features Detection Voltage Accuracy Operating Voltage Current Consumption Output Form Package
S-1000 
New		 350 nA
Ultra-low current consumption		 1.5 to 4.6 V ±1% 0.95 to 5.5 V 350 nA (Vdd=1.5V) Nch opendrain CMOS SC-82AB
SOT-23-5
SNT-4A
S-808xxC  Super-Small 0.8 to 6.0 V ±2% 0.65 to 5.0 V
(Det, 1.4V or less)
0.95 to 10 V
(Det. 1.5V or more)		 0.8 µA (Vdd=3.5V) Nch opendrain CMOS SNT-4A
SC-82AB
SOT-23-5
SOT-89-3
TO-92
S-801 With Delay Circuit 2.2 to 6.0 V ±2% 0.95 to 10 V 1.3 µA (Vdd=3.5V) Nch opendrain CMOS SOT-23-5
SNT-4A
S-809xxC  With Delay Circuit 1.3 to 6.0 V ±2% 0.7 to 10 V 1.1 µA (Vin=3.5V) Nch opendrain CMOS SNT-4A
SC-82AB
SOT-23-5

Voltage Regulators
精工的LDO类型稳压芯片利用CMOS工艺，具有高输出电压精度，低压差和很低的自消耗电流的特性。 能够使用多种滤波电容，包括外形很小的陶瓷电容。
Model No. Chinese
Data
Sheet		 Features Input Voltage Output Voltage Output Current Accuracy Current Consumption Typ. Dropout Voltage Package (Power Dissipation)
S-812C series High operating voltage 16 V max. 2.0-6.0V 50 mA ±2% 1.0 µA 230 mV @10 mA SOT-23-5 
SOT-89-5 
SOT-89-3 
TO-92 
SNT-6A(H)
S-817 series Super-small 10 V max. 1.1 to 6.0 V 50 mA ±2% 1.2 µA 250 mV @10 mA SOT-23-5 
SOT-89-3 
TO-92 
SNT-4A
S-818 series Low Dropout 10 V max. 2.0-6.0V 200 mA ±2% 30 µA 300 mV @60 mA SOT-23-5 
SOT-89-5 
S-1112/1122 series RR 80dB LDO 2.0-6.5V 1.5-5.5V 150 mA ±1% 50 µA 190mV @100mA SOT-23-5
5-Pin SON(A)
SNT-6A(H)
S-T111 series RR 80dB
Small I/O capacitors		 6.5V max. 1.5-5.5V 150 mA ±1.0% 50 µA 190mV @100mA SOT-23-5 
S-L2985 series RR 80dB WLP-4B 2.0-6.5V 1.5-5.5V 150 mA ±1.0% 50 µA 190mV @100mA WLP-4B
S-1111/1121 series RR 70dB LDO 6.5V max. 1.5-5.5V 150 mA ±1% 35 µA 200mV @100mA SOT-23-5 
5-pin SON(A)
S-1167 series
New		 9µA ultra-low current consumption 2.0-6.5V 1.5-5.5V 150 mA ±1% 9 µA 150mV @100mA SOT-23-5
SNT-6A(H)
S-1323 series RR 70dB SC-82AB 2.0-6.5V 1.5-5.5V 150 mA ±1% 70 µA 500mV @150mA SNT-4A
SC-82AB
S-1200 series RR 70dB
low I/O capacitance		 2.0-10V 1.5-5.5V 150 mA ±1.0% 18 µA 140mV @100mA SOT-23-5
SNT-6A(H)
S-L2980 series RR 70dB LDO 10V max. 1.5-6.0V 150 mA ±2% 90 µA 120 mV @50 mA 5-pin SON 
SOT-23-5 
S-1165 series RR 70dB LDO 6.5V max. 1.5-5.5V 200 mA ±1% 35 µA 140mV @200mA SOT-23-5
S-1131 series RR 70dB LDO
300 mA output		 6.5V max. 1.5-5.5V 300 mA ±1% 35 µA 250mV @100mA SOT-89-3
SOT-89-5
6-pin HSON(A)
S-1132 series
New		 RR 70dB LDO
300 mA output		 2.0-6.5V 1.5-5.5V 300 mA ±1% 20 µA 130mV @100mA SOT-23-5
SOT-89-5
SNT-6A(H)
S-1170 series RR 70dB 800mA output 2.0-6.5V 1.5-5.5V 800 mA ±1% 80 µA 120mV @300mA SOT-89-5
6-pin HSON(A)
S-814 series 　 Low Dropout 10 V max. 2.0-6.0V 110 mA ±2% 30 µA 300 mV @60 mA SOT-23-5
SOT-89-5
S-816 series Low Dropout Controller 16 V max. 2.5-6.0V 1A (External PNP Tr) ±2% 30 µA 100 mV @100mA SOT-23-5
S-1701 series
New		 V.Detector+V.Regulator 2.0-6.5 V 1.5-5.0V 400 mA ±1% 85 µA 140mV @100mA SOT-23-5
SOT-89-5
S-1711 series
New		 RR 70dB, 2VR 2.0-6.5 V 1.5-5.5V 150 mA ±1% 70 µA
(1VR)		 200mV @150mA SNT-6A
SOT-23-6

　

Switching Regulators 
精工的开关型稳压芯片能够高效率地将输入电压转变为另一种固定的输出电压。这一类别的产品提供三种变换方式：升压、降压、升/降压。PWM 方式是一种高效，低纹波，低噪声的控制方式；PFM 方式具有在低负载下获得较高效率的特性，PWM/PFM 切换型的控制方式能够在轻负载时采用PFM方式，重负载时自动切换为PWM，已获得更加优异的性能。
Type Model No. Control Method Operation Start Voltage Output Voltage Switching Frequency Current Consumption Operating Efficiency Typ. Package
STEP-UP S-8355/56/57/58 series
New		 PWM, PWM/PFM
(External FET)		 0.9V 1.5-6.5V
(Vdd/Vout sep.)
2.0-6.5V
(the others)		 100, 250, 300, 600 KHz 25.9 µA (3.3 V, 100 KHz) 85% 6-pin SNB
SOT-23-5
SOT-23-3
SOT-89-3
STEP-UP S-8353/8354 series PWM, PWM/PFM
(Built-in FET)		 0.9V 1.5-6.5V
(Vdd/Vout sep.)
2.0-6.5V
(the others)		 30, 50, 250 KHz 18.7 µA
(3.3V, 50KHz)		 85% SOT-23-5
SOT-23-3
SOT-89-3
STEP-UP S-83M355/83M356 series
New		 PWM, PWM/PFM
(Built-in FET)		 1.5V 2.0-15V
(can be changed by an external resistor)		 600 KHz 1.25 mA
(Vout=Vout(s)×0.95)		 85% PLP-8B
STEP-UP S-8351/8352 series PFM
(External FET)		 0.9 V 2.0-6.5V
(A, B, C)
1.5-6V
(D)		 100 KHz 23.2 µA
(3.3V)		 85% SOT-23-5
SOT-23-3
SOT-89-3
STEP-UP S-8337/8338 series
New		 PWM
(External FET)		 (Input 1.8 to 6.0 V) Desired output voltage via external resistor 286 KHz to 1.133 MHz via external resistor 400 µA
(700KHz, VFB =0.95V)		 - 8-pin SON(A), 8-pin TSSOP
STEP-UP S-8340/8341 series PWM, PWM/PFM
(External FET)		 0.9 V 2.5-6.0V 300, 600 KHz 350 µA
(3.3V, 600KHz)		 87% (Vout=5V) 8-pin TSSOP
STEP-UP S-8333 series
New		 1-channel for LCD
(External FET)		 (Input 1.8 to 6.0 V) Desired output voltage via external resistor 286 KHz to 1.133 MHz via external resistor 450 µA
(700KHz, VFB =0.95V)		 - SNT-8A
8-pin TSSOP
STEP-UP S-8335 series 3-channel for LCD
(External FET)		 (Input 2.4-5V) Maximum 12.41-16.59V) 100 KHz 100 µA (Mode 1, Vbat=3V) 82% 24-pin TSSOP
STEP-UP S-8330/8331 series 1-channel for LCD
(External FET)		 (Input 2-9V) Maximum 20-30V 50, 180 KHz 100 µA (Vin=5V, 180KHz) 85% 8-pin SSOP
STEP-DOWN S-8520/8521 series PWM, PWM/PFM
(External FET)		 (Input 2.5 to 10/16 V) 1.5-6.0V 60, 180, 300 KHz 60 µA (180KHz)
21 µA (60KHz)
100 µA (300KHz)		 93% SOT-23-5
STEP-DOWN S-8540/8541 series PWM, PWM/PFM
(External FET)		 (Input 2.5-10 V) 1.5-6.0 V 300, 600 KHz 180 µA (600KHz)
140 µA (300KHz)		 90% 8-pin MSOP
STEP-DOWN S-8533 series PWM Syncronous
(External FET)		 (Input 2.7-16 V) 1.25-6.0 V 300 KHz 30 µA 94% 8-pin TSSOP
STEP-UP/DOWN S-8460 PWM
(External FET)		 (Input 2.2-18 V) 2.5-6.0 V 300 KHz 75 µA (Step-down)
900 µA (Step-up)		 87% (Step-down)
83% (Step-up)		 16-pin TSSOP

　
　
Charge Pump ICs
SII charge pump ICs provide constant current, and step-up or step-down voltage with only 2 external capacitors. PC board size reduction is realized compared to DC/DC controllers that use choke coils. The S-8813 Series features 3-channel constant current output for white LEDs. The S-88x features step-up output, or step-down output.
Model No. Type Efficiency Operating Voltage Output Output Accuracy Switching Frequency Package Note
S-8813 series 3-channel White LCD Driver 82% 2.7 to 4.5 V 5.0 to 18mA (Vout = 4V or less, Vin = 3V) ±5% 600 KHz 10-pin SON(B) For White LCD
S-8821 series
New		 Voltage regulation step-up 90% 1.6 to 5.0 V 2.5 to 5.5 V, 0.1 V steps ±2 % max. 1.0 MHz SOT-23-6W,
6-Pin SNB(B),
6-Pin SON(A)		 Output current 25 mA (Vin=(Vout(s) × 0.80) V)

　

Composite ICs
Voltage detector + voltage regulator(high-withstanding voltage) S-87x series
PDF
Battery backup S-8424A series
PDF
S-8425 series
PDF

Lithium-Ion Rechargeable Battery Protection ICs
1-Cell Small S-8261 series
PDF
S-8241 series
PDF
2-Cell S-8232 series
PDF
External capacitance not required S-8242 series
PDF *
S-8253A series
PDF *
3-Cell S-8233A series
PDF
S-8233B series
PDF
S-8233C series
PDF
Battery voltage monitor S-8243A series
PDF
External capacitance not required S-8253B series
PDF *
4-Cell Battery voltage monitor S-8243B series
PDF
3-/4-Cell switching S-8254 series
PDF *
Secondary protection S-8244 series
PDF

Designated Client Products
Analog IC Line-up
CMOS Operational Amplifiers
0.5µA Rail-to-Rail 1 circuit S-89430A/89431A
PDF
1 circuit S-89110A/89120A
PDF
2 circuits S-89110B/89120B
PDF

CMOS Comparators
0.7µA Rail-to-Rail 1 circuit S-89530A/89531A
PDF
1 circuit S-89210A/89220A
PDF
2 circuits S-89210B/89220B
PDF

Temperature Sensor ICs
Temperature switch IC S-8130AA
PDF
S-8130AC
PDF
Linear output S-8110C/8120C series
PDF *

Designated Client Products
Memories Line-up
Serial 3-wire EEPROM
SII's EEPROMs use the CMOS Silicon-gate process and the floatinggate memory cell. Consequently SII's EEPROMs realize high reliability with low current consumption, and operation at very low voltages. SII's EEPROMs line-up offers the best product for each application.
Model No. Size (bit), Organization (bit) Instruction Code Operating Voltage (Read) Operating Voltage (Write) Current Consumption Read Max. Current Consumption Standby Max. Clock Frequency Max. Endurance (cycles/word) Data Retention (years) Package
S-93C46B/56B/66B
New		 1K (64×16)
2K (128×16)
4K (256×16)		 NM93CSxx 1.8 to 5.5 V 2.7 to 5.5 V 0.8 mA (5.5V)
0.4 mA (2.5V)		 1.5 µA 0.25 MHz (1.8V)
2.0 MHz (5.5V)		 10 million (25°C)
1 million (85°C)		 10 years (After 1 million cycles) 8DIP/SOP
8TSSOP
SNT-8A
S-93C76A
New		 8K (512×16) NM93CSxx 1.8 to 5.5 V 2.7 to 5.5 V 0.8 mA (5.5V)
0.4 mA (2.5V)		 2.0 µA 0.25 MHz (1.8V)
2.0 MHz (5.5V)		 10 million (25°C)
1 million (85°C)		 10 years (After 1 million cycles) 8DIP/SOP
8TSSOP
S-93C86B
New		 16K (1024×16) NM93CS86 1.8 to 5.5 V 2.7 to 5.5 V 0.8 mA (5.5V)
0.4 mA (2.5V)		 1.5 µA 0.25 MHz (1.8V)
2.0 MHz (5.5V)		 10 million (25°C)
1 million (85°C)		 10 years (After 1 million cycles) 8SOP/8TSSOP
S-93A46A/56A/66A
New		 1K (64×16) 2K (128×16) 4K (256×16) NM93CS46/56/66 2.7 to 5.5 V 2.7 to 5.5 V 1.0 mA (5.5V)
0.6 mA (2.7V)		 3.0 µA 0.5 MHz (2.7V)
1.0 MHz (5.5V)		 1 million (85°C)
150,000
(125°C)		 15 years (After rewriting 1.5 × 105 cycles / word at +125°) 8SOP
S-93A86A
New		 16K (1024×16) NM93CS86 2.7 to 5.5 V 2.7 to 5.5 V 1.0 mA (5.5V)
0.6 mA (2.7V)		 3.0 µA 0.5 MHz (2.7V)
2.0 MHz (5.5V)		 1 million (85°C)
150,000
(125°C)		 15 years (After rewriting 1.5 × 105 cycles / word at +125°) 8SOP
S-93L46A/56A/66A
New		 1K (64×16)
2K (128×16)
4K (256×16)		 NM93CSxx 1.6 to 5.5 V 1.8 to 5.5 V (WRITE, ERASE) 0.8 mA (5.5V)
0.4 mA (2.5V)		 1.5 µA 0.25 MHz (1.8V)
2.0 MHz (5.5V)		 10 million
(25°C)
1 million
(85°C)		 10 years (After rewriting 106 cycles / word at 85°C) 8SOP
8TSSOP
SNT-8A
S-93L76A
New		 8K (512×16) NM93CSxx 1.6 to 5.5 V 1.8 to 5.5 V (WRITE, ERASE) 0.8 mA (5.5V)
0.4 mA (2.5V)		 2.0 µA 0.25 MHz (1.8V)
2.0 MHz (5.5V)		 10 million
(25°C)
1 million
(85°C)		 10 years (After rewriting 106 cycles / word at 85°C) 8SOP
8TSSOP
SNT-8A
S-93C46A/56A/66A 1K (64×16)
2K (128×16)
4K (256×16)		 NM93CSxx 1.8 to 5.5 V 1.8 to 5.5 V 0.8 mA (5.5V)
0.4 mA (2.5V)		 1.0 µA 0.25 MHz (1.8V)
2.0 MHz (5.5V)		 1million
(85°C)		 10 years (After 1 million cycles) 8DIP/SOP
8TSSOP
8MSOP
S-29630A 32K (2048×16) NM93CSxx 1.8 to 5.5 V 1.8 to 5.5 V 1.2 mA (5.5V)
0.4 mA (2.5V)		 1.0 µA 0.20 MHz (1.8V)
1.4 MHz (5.5V)		 1million
(85°C)		 10 years (After 1 million cycles) 8DIP/SOP
S-29Uxx0A series 1K (64×16)
2K (128×16)
4K (256×16)		 NM93CSxx 0.9 to 3.6 V 1.8 to 3.6 V 0.2 mA (0.9V)
0.6 mA (3.6V)		 2.0 µA 5 KHz (0.9V)
500 KHz (3.6V)		 100,000
(85°C)		 10 years (After 100,000 cycles) 8SOP/SSOP
S-29Zx30A series 4K (256×16)
8K (512×16)		 NM93CSxx 0.9 to 3.6 V 0.9 to 3.6 V 0.2 mA (0.9V)
0.6 mA (3.6V)		 2.0 µA 5 KHz (0.9V)
500KHz (3.6V)		 100,000
(85°C)		 10 years (After 100,000 cycles) 8SOP/SSOP

Serial 2-wire EEPROM
Using the CMOS Silicon-gate process and the floating gate memory cell, these devices realize high reliability with low current consumption, and operation at very low voltages. The product line-up offers the best product for each application.
Model No. Size (bit), Organization (bit) Page Write Operating Voltage (Read) Operating Voltage (Write) Current Consumption Read Max. Current Consumption Standby Max. Clock Frequency Max. Endurance (cycles/word) Data Retention (years) Package
S-24CS01A/02A/04A/08A
New		 1K (128×8)
2K (256×8)
4K (512×8)
8K (1024×8)		 8 bytes
(1K/2K)
16 bytes
(4K/8K)		 1.8 to 5.5 V 2.7 to 5.5 V 0.8 mA (5.5V) 2.0 µA (5.5V) 400 KHz (4.5-5.5V) 10 million (25°C)
1 million (85°C)		 10 years (After 1 million cycles) 8DIP/SOP
8TSSOP
SNT-8A
S-24CS16A
New		 16K (2048×8) 16 bytes 1.8 to 5.5 V 2.7 to 5.5 V 0.8 mA (5.5V) 5.0 µA (5.5V) 400 KHz (4.5-5.5V) 1 million (25°C)
100,000
(85°C)		 10 years (After 100,000 cycles) 8DIP/SOP
8TSSOP
WLP-6A
SNT-8A
S-24CS64A
New		 64K (8192×8) 32 bytes 1.8 to 5.5 V 2.7 to 5.5 V 0.8 mA (5.5V) 5.0 µA (5.5V) 400 KHz (4.5-5.5V) 1 million (25°C)
100,000
(85°C)		 10 years (After 100,000 cycles) 8SOP
8TSSOP
WLP-8C
S-24C01B/02B/04B 1K (128×8)
2K (256×8)
4K (512×8)		 8 bytes (1K/2K)
16 bytes (4K)		 2.0 to 5.5 V 2.0 to 5.5 V 0.8 mA (5.5V)
0.3 mA (3.3V)		 1.0 µA 400 KHz (4.5-5.5V) 1million
(85°C)		 10 years (After 1 million cycles) 8DIP/SOP, 8MSOP
S-24C02BPPHL
New		 2K (256×8) 8 bytes 1.6 to 5.5 V 1.8 to 5.5 V 0.8 mA (5.5V) 1.0 µA (5.5V) 400 KHz (4.5-5.5V) 1million
(85°C)		 10 years SNT-8A
S-24C04BPHAL
New		 4K (512×8) 16 bytes 1.6 to 5.5 V 1.7 to 5.5 V 0.8 mA (5.5V) 1.0 µA (5.5V) 400 KHz (4.5-5.5V) 1million
(85°C)		 10 years (After 1 million cycles) WLP-5A

ASSPs Line-up
RTC  实时时钟
Model No. Type Features Operating Voltage Current Consumption Package
S-35390A
New		 2-wire Ultra-low 0.25 µA current consumption 1.1 to 5.5 V (time keeping operation voltage) 0.25 µA (3.0 V) 8-pin SOP
8-pin TSSOP
SNT-8A
S-35190A
New		 3-wire Ultra-low 0.25 µA current consumption 1.1 to 5.5 V (time keeping operation voltage) 0.25 µA (3.0 V) 8-pin SOP
8-pin TSSOP
SNT-8A


Single Gate Logic
High speed operation S-75V series
PDF
1.0V operation S-75L series
PDF