Rev. 2.2
S-24C01B/02B/04B
CMOS 2-WIRE SERIAL EEPROM
The S-24C01B/02B/04B are series of 2-wire, low power 1K/2K/4K-bit
EEPROMs with a wide operating range. They are organized as 128word×8-bit, 256-word×8-bit, and 512-word×8-bit, respectively. Each is
capable of page write, and sequential read.
Features
Low power consumption
Endurance:
Data retention:
Write protection:
Standby:
1.0 µA Max. (VCC=5.5 V)
Operating: 0.8 mA Max. (VCC=5.5 V)
0.3 mA Max. (VCC=3.3 V)
Wide operating voltage range
10 years
S-24C01B : 100%
S-24C02B/04B : 50%
2.0 to 5.5 V
S-24C01B:
S-24C02B:
S-24C04B:
Page write
8 bytes (S-24C01B, S-24C02B)
16 bytes (S-24C04B)
Sequential read capable
400KHz (VCC=5V±10%)
6
10 cycles/word
1 Kbits
2 Kbits
4 Kbits
Pin Assignment
8-pin DIP
Top view
8-pin SOP
Top view
NC
1
8
NC
2
7
WP
NC
3
6
SCL
GND
4
5
NC
VCC
SDA
NC
NC
GND
8pin MSOP
Top view
1
2
8
7
VCC
3
4
6
5
SCL
WP
SDA
S-24C01BFJ
S-24C02BFJ
S-24C04BFJ
VCC
WP
SCL
SDA
1
2
3
4
8
7
6
5
NC
NC
NC
GND
S-24C01BMFN
S-24C02BMFN
S-24C04BMFN
S-24C01BDP-1A
S-24C02BDP-1A
S-24C04BDP-1A
Figure 1
Pin Functions
Table 1
Name
Pin Number
Function
DIP, SOP
MSOP
NC
1
8
No Connection*
NC
2
7
No Connection*
NC
3
6
No Connection*
GND
4
5
Ground
SDA
5
4
Serial data input/output
SCL
6
3
Serial clock input
WP
7
2
Write Protection pin
Connected to Vcc: Protection valid
Connected to GND: Protection invalid
VCC
8
1
Power supply
Seiko Instruments Inc.
* These pins can be
connected to either
Vcc or GND.
1
