M28C64 Datasheet, PDF (16/24 Pages) STMicroelectronics – 64 Kbit 8K x 8 Parallel EEPROM With Software Data Protection

M28C64
Figure 13. Page Write Mode AC Waveforms (Write Enable, W, controlled)
A0-A12
Addr 0
Addr 1
Addr 2
Addr n
E
G
tWHWL
W
tWLWH
DQ0-DQ7 (in)
Byte 0
Byte 1
Byte 2
DQ5 (out)
RB
tWHRL
Figure 14. Software Protected Write Cycle Waveforms
G
Byte n
tWLQ5H
tQ5HQ5X
AI00752D
E
W
A0-A5
A6-A12
DQ0-DQ7
tWLWH
tWHWL
tAVEL
tWLAX
Byte Address
tWHDX
1555h
0AAAh
1555h
Page Address
tDVWH
AAh
55h
A0h
Byte 0
Byte 62
Byte 63
AI01358B
Note: 1. A12 to A6 must specify the same page address during each high-to-low transition of W (or E). G must be high only when W and E
are both low.
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