93LCS56_04 Datasheet, PDF (8/14 Pages) Microchip Technology – 2K/4K 2.5V Microwire Serial EEPROM with Software Write Protect

93LCS56/66
FIGURE 2-7: ERASE TIMING
PE
CS
CLK
DI
1
1
1
A7
† † † A0
TRI-STATE
DO
FIGURE 2-8:
† Address bit A7 is a "don't care" for 93LCS56.
ERAL TIMING
PRE = 0
T CSL
CHECK STATUS
STANDBY
T SV
BUSY
T WC
T CZ
READY
TRI-STATE
PE
CS
CLK
T CSL
CHECK STATUS
STANDBY
DI
1
0
0
TRI-STATE
DO
FIGURE 2-9: PRREAD TIMING
1
0
X
†††
X
6 DON'T CARE BITS
T SV
BUSY
T CZ
READY
TRI-STATE
PRE = 0
T EC
Guarantee at V
CC = 4.5V to 6.0V
Protect Register must be cleared
PRE
CS
CLK
T CSL
DI
1
1
0
X
†††
X
8 DON'T CARE BITS
DO
0
A7
A6
†††
A0
†X†
† Address bit A7 is a "don't care" for 93LCS56.
PE = X
DS11181E-page 8
 2004 Microchip Technology Inc.