AT28C64B-20 ATMEL [ATMEL Corporation], AT28C64B-20 Datasheet - Page 7
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AT28C64B-20
Manufacturer Part Number
AT28C64B-20
Description
64K (8K x 8) CMOS E2PROM with Page Write and Software Data Protection
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.AT28C64B-20.pdf
(13 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT28C64B-20DM/883C
Manufacturer:
AT
Quantity:
2
Company:
Part Number:
AT28C64B-20JC
Manufacturer:
ATMEL
Quantity:
3 000
Part Number:
AT28C64B-20JC
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
AT28C64B-20JI
Manufacturer:
ATMEL
Quantity:
5 510
Company:
Part Number:
AT28C64B-20JI
Manufacturer:
CSI
Quantity:
5 510
Company:
Part Number:
AT28C64B-20JU
Manufacturer:
ATMEL
Quantity:
8 831
Page Mode Characteristics
Page Mode Write Waveforms
Notes:
Chip Erase Waveforms
t
t
V
S
W
Symbol
t
t
t
t
t
t
t
t
t
H
WC
WC
AS
AH
DS
DH
WP
BLC
WPH
= t
= 10 msec (min.)
= 12.0 ± 0.5V
H
= 1 µsec (min.)
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.
Parameter
Write Cycle Time
Write Cycle Time (option available; contact Atmel sales office for
ordering part number)
Address Setup Time
Address Hold Time
Data Setup Time
Data Hold Time
Write Pulse Width
Byte Load Cycle Time
Write Pulse Width High
(1)(2)
Min
100
50
50
50
0
0
0
AT28C64B
Max
150
10
2
Units
ms
ms
ns
ns
ns
ns
ns
µs
ns
7