S-24C256C Datasheet, PDF (7/35 Pages) Seiko Instruments Inc – Write protect function during the low power supply voltage

Rev.2.0_02_S
2-WIRE SERIAL E²PROM
S-24C256C
Item
Write time
Table 13
Ta = −40°C to +85°C
Symbol
VCC = 1.7 V to 5.5 V
Unit
Min.
Max.
tWR
−
5.0
ms
Start Condition
Write data
Acknowledgment
Signal
Stop Condition
t_WR
Start Condition
SCL
SDA
t_WS1
WP
(valid)
WP
t_WS2
(invalid)
D0
t_WH1
t_WH2
Figure 6 Write Cycle Timing
7