AT28HC64BF ATMEL [ATMEL Corporation], AT28HC64BF Datasheet - Page 9

• Manufacturer Part Number: AT28HC64BF
• Description: 64K (8K x 8) High Speed Parallel EEPROM with Page Write and Software Data Protection
• Manufacturer: ATMEL [ATMEL Corporation]

16. Page Mode Characteristics
17. Page Mode Write Waveforms
Notes:
18. Chip Erase Waveforms
3648A–PEEPR–10/06
Symbol
t
t
t
t
t
t
t
t
WC
AS
AH
DS
DH
WP
BLC
WPH
t
t
V
S
W
H
= t
= 10 ms (min.)
= 12.0 V ±0.5 V
1. A6 through A12 must specify the same page address during each high to low transition of WE (or CE).
2. OE must be high only when WE and CE are both low.
H
= 5 µs (min.)
Parameter
Write Cycle Time
Address Setup Time
Address Hold Time
Data Setup Time
Data Hold Time
Write Pulse Width
Byte Load Cycle Time
Write Pulse Width High
A0 -A12
DATA
WE
OE
CE
VALID ADD
t
AS
VALID DATA
t
AH
t
t
WP
DS
(1)(2)
t
DH
t
S
t
WPH
t
W
t
H
t
BLC
Min
100
50
50
50
0
0
t
WC
AT28HC64BF
Max
150
2
Units
ms
ns
ns
ns
ns
ns
µs
ns
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