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Número de pieza
componentes Descripción
AT28HC64BF-70 Ver la hoja de datos (PDF) - Atmel Corporation
Número de pieza
componentes Descripción
Fabricante
AT28HC64BF-70
64K (8K x 8) High Speed Parallel EEPROM with Page Write and Software Data Protection
Atmel Corporation
AT28HC64BF-70 Datasheet PDF : 18 Pages
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16. Page Mode Characteristics
Symbol
t
WC
t
AS
t
AH
t
DS
t
DH
t
WP
t
BLC
t
WPH
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
17. Page Mode Write Waveforms
(1)(2)
OE
CE
WE
A0 -A12
DATA
t
AS
t
AH
VALID ADD
VALID DATA
t
WP
t
DH
t
DS
t
WPH
AT28HC64BF
Min
Max
Units
2
ms
0
ns
50
ns
50
ns
0
ns
100
ns
150
µs
50
ns
t
BLC
t
WC
Notes: 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.
18. Chip Erase Waveforms
t
S
t
H
t
W
t
S
= t
H
= 5 µs (min.)
t
W
= 10 ms (min.)
V
H
= 12.0 V ±0.5 V
9
3648A–PEEPR–10/06
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