93C57 Datasheet, PDF (7/9 Pages) Catalyst Semiconductor – 2K-Bit Microwire Serial EEPROM

Figure 5. EWEN/EWDS Instruction Timing
SK
CS
DI
1
00
*
* ENABLE=11
DISABLE=00
CAT93C56/57
STANDBY
Figure 6. ERAL Instruction Timing
SK
CS
DI
1
00
10
HIGH-Z
DO
Figure 7. WRAL Instruction Timing
SK
CS
DI
1
000
1
DO
STATUS VERIFY
tCS
STANDBY
tSV
BUSY
tEW
READY
tHZ
HIGH-Z
STATUS VERIFY STANDBY
DN
D0
tCSMIN
tSV
tHZ
BUSY
tEW
READY
HIGH-Z
7
Doc. No. 1088, Rev. M