Document
Rev.3.2_00
2-WIRE CMOS SERIAL E2PROM
S-24C01B/02B/04B
DISCONTINUED PRODUCT
The S-24C01B/02B/04B is a 2-wired, low power and wide range operation 1k bit, 2k bit, 4k bit E2PROM
organized as 128 words × 8 bits, 256 words × 8 bits, and 512 words × 8 bits in each. Page write and sequential read are available.
Features
• Low power consumption Standby : 1.0 µA Max. (VCC=5.5 V) Oprating : 0.8 mA Max. (VCC=5.5 V) 0.3 mA Max. (Vcc=3.3 V)
• Wide operating voltage range :
2.0 to 5.5
• Page write :
8 bytes / page (S-24C01B/02B)
16 bytes / page (S-24C04B)
• Sequential read
• Operating Frequency : • Endurance :
400 kHz (VCC=5 V±10 %) 106 cycles/word
• Data retention :
10 years
• Write protection
S-24C01B : 100%
S-24C02B/04B : 50%
• S-24C01B :
1k bit
• S-24C02B :
2k bit
• S-24C04B :
4k bit
Package
Package name
Package
Drawing code Tape
8-Pin DIP
DP008-A
−
8-Pin SOP(JEDEC)
FJ008-A
FJ008-D
8-Pin MSOP
FN008-A
FN008-A
Remark For details, please refer to “Product Code Structure”.
Reel
− FJ008-D FN008-A
Caution This product is intended to use in general electronic devices such as consumer electronics, office equipment, and communications devices. Before using the product in medical equipment or automobile equipment including car audio, keyless entry and engine control unit, contact to SII is indispensable.
Seiko Instruments Inc.
1
DISCONTINUED PRODUCT
2-WIRE CMOS SERIAL E2PROM S-24C01B/02B/04B
Rev.3.2_00
Pin Assignment
8-Pin DIP Top view
NC NC NC
GND
1 2 3 4
8 VCC 7 WP 6 SCL 5 SDA
Figure 1
S-24C01BDP S-24C02BDP S-24C04BDP
Table 1
Pin No. Symbol
Description
1 NC No Connection∗1
2 NC No Connection∗1
3 NC No Connection∗1
4
GND
Ground
5
SDA
Serial data input/output
6 SCL Serial clock input
Write Protection pin
7 WP Connected to Vcc: Protection valid
Connected to GND: Protection invalid
8
VCC
Power supply
∗1. Connect to GND or Vcc.
Remark See Dimensions for details of the package drawings.
8-Pin SOP(JEDEC) Top view
NC 1 8 VCC NC 2 7 WP NC 3 6 SCL GND 4 5 SDA
Figure 2
S-24C01BFJ S-24C02BFJ S-24C04BFJ
Table 2
Pin No. Symbol
Description
1 NC No Connection∗1 2 NC No Connection∗1 3 NC No Connection∗1
4
GND
Ground
5
SDA
Serial data input/output
6
SCL
Serial clock input
Write Protection pin
7 WP Connected to Vcc: Protection valid
Connected to GND: Protection invalid
8
VCC
Power supply
∗1. Connect to GND or Vcc.
Remark See Dimensions for details of the package drawings.
2 Seiko instruments inc.
Rev.3.2_00
2-WIRE CMOS SERIAL E2PROM S-24C01B/02B/04B
8-Pin MSOP Top view
VCC WP SCL SDA
1 2 3 4
8 7 6 5
NC NC NC GND
Figure 3
S-24C01BMFN S-24C02BMFN S-24C04BMFN
Table 3
Pin No. Symbol
Description
8 NC No Connection∗1
7 NC No Connection∗1
6 NC No Connection∗1
5
GND
Ground
4
SDA
Serial data input/output
3 SCL Serial clock input
Write Protection pin
2 WP Connected to Vcc: Protection valid
Connected to GND: Protection invalid
1
VCC
Power supply
∗1. Connect to GND or Vcc.
Remark See Dimensions for details of the package drawings.
DISCONTINUED PRODUCT
Seiko Instruments Inc.
3
DISCONTINUED PRODUCT
2-WIRE CMOS SERIAL E2PROM S-24C01B/02B/04B
Block Diagram
SCL SDA
Start / Stop Detector
Serial Clock Controller
LOAD
Device Address Comparator
COMP LOAD
INC
R/W
Address Counter
Y Decoder
DIN DOUT
Figure 4
Rev.3.2_00
WP VCC GND
High-Voltage Generator
Data Register
X Decoder
E2PROM
Selector
Data Output ACK Output Controller
4 Seiko instruments inc.
DISCONTINUED PRODUCT
Rev.3.2_00
2-WIRE CMOS SERIAL E2PROM S-24C01B/02B/04B
Absolute Maximum Ratings
Table 4
Parameter
Symbol
Ratings
Unit
Power supply voltage
VCC
−0.3 to +7.0
V
Input voltage
VIN −0.3 to VCC+0.3
Output voltage
VOUT
−0.3 to VCC
Operating ambient temperature
Topr
−40 to +85
°C
Storage temperature
Tstg
−65 to +150
°C
Caution The absolute maximum ratings are rated values exceeding which the
product could suffer physical damage. These values must therefore
not be exceeded under any condition.
Recommended Operating Conditions
Parameter Power supply voltage High level input voltage
Low level input voltage
Symbol VCC VIH
VIL
Table 5
Conditions
− VCC=2.5 to 5.5 V VCC=2.0 to 2.5 V VCC=2.5 to 5.5 V VCC=2.0 to 2.5 V
Min.
2.0 0.7×VCC 0.8×VCC
0.0 0.0
Typ.
− − − − −
Max.
5.5
VCC VCC 0.3×VCC 0.2×VCC
Unit V
Pin Capacitance
Parameter Input capacitance Input/output capacitance
Symbol
CIN CI/O
Table 6
Conditions VIN=0 V (SCL, WP)
VI/O=0 V (SDA)
(Ta=25 °C, f=1.0 MHz, Vcc=5 V)
Min. Typ. Max. Unit − − 10 pF − − 10 pF
Endurance
Parameter Endurance
Symbol NW
Table 7 Operating temperatrue
−40 to +85 °C
Min. 106
Typ. Max.
Unit
− − cycles/word
Seiko Instruments Inc.
5
2-WIRE CMOS SERIAL E2PROM S-24C01B/02B/04B
Rev.3.2_00
DC Electrical Characteristics
Parameter
Current consumption (READ) Current consumption (PROGRAM)
Symbol ICC1 ICC2
Conditions − −
Table 8
Vcc=4.5 to 5.5 V
VCC=2.5 to 4.5 V
Min. Typ. Max. Min. Typ..