AT28HC64BF-90JU Atmel, AT28HC64BF-90JU Datasheet - Page 9
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AT28HC64BF-90JU
Manufacturer Part Number
AT28HC64BF-90JU
Description
IC EEPROM 64KBIT 90NS 32PLCC
Manufacturer
Atmel
Specifications of AT28HC64BF-90JU
Format - Memory
EEPROMs - Parallel
Memory Type
EEPROM
Memory Size
64K (8K x 8)
Speed
90ns
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Package / Case
32-PLCC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
16. Page Mode Characteristics
17. Page Mode Write Waveforms
Notes:
18. Chip Erase Waveforms
3648B–PEEPR–4/09
Symbol
t
t
t
t
t
t
t
t
WC
AS
AH
DS
DH
WP
BLC
WPH
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
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
t
t
V
S
W
H
= t
= 10 ms (min.)
= 12.0 V ±0.5 V
VALID ADD
H
t
AS
VALID DATA
= 5 µs (min.)
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
Max
150
2
Units
ms
ns
ns
ns
ns
ns
µs
ns
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