s-24cs01a Seiko Instruments Inc., s-24cs01a Datasheet - Page 13

• Manufacturer Part Number: s-24cs01a
• Description: 2-wire Cmos Serial E2prom
• Manufacturer: Seiko Instruments Inc.

Rev.4.5
6. Write
6. 1 Byte Write
When the master sends a 7-bit device address and a 1-bit read / write instruction code set to "0",
following a start condition, the E
address and responds with an acknowledge. After the E
with an acknowledge, it receives a stop condition and that initiates the write cycle at the addressed
memory.
During the write cycle all operations are forbidden and no acknowledge is generated.
_00
SDA LINE
Remark1. A1 is P1 in the S-24CS08A.
2. A0 is P0 in the S-24CS04A/08A.
3. W7 is optional in the S-24CS01A.
S
T
A
R
T
M
S
B
1
0
1
ADDRESS
DEVICE
0
A2 A1 A0
2
PROM acknowledges it. The E
L
S
B
Figure 13 Byte Write
Seiko Instruments Inc.
R
W
0
W
/
R
T
E
I
A
C
K
W7 W6 W5 W4 W3 W2 W1 W0
WORD ADDRESS
2
PROM receives 8-bit write data and responds
A
C
K
2-WIRE CMOS SERIAL E
D7 D6 D5 D4 D3 D2 D1 D0
2
(ADDRESS INCREMENT)
PROM then receives an 8-bit word
S-24CS01A/02A/04A/08A
DATA
ADR INC
A
C
K
S
T
O
P
2
PROM
13