AT28C040-25LC Atmel, AT28C040-25LC Datasheet - Page 7
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AT28C040-25LC
Manufacturer Part Number
AT28C040-25LC
Description
IC EEPROM 4MBIT 250NS 44LCC
Manufacturer
Atmel
Datasheet
1.AT28C040-20BC.pdf
(12 pages)
Specifications of AT28C040-25LC
Format - Memory
EEPROMs - Parallel
Memory Type
EEPROM
Memory Size
4M (512K x 8)
Speed
250ns
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
0°C ~ 70°C
Package / Case
44-LCC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
AT28C04025LC
Page Mode Characteristics
Page Mode Write Waveforms
Notes:
Symbol
t
t
t
t
t
t
t
t
WC
AS
AH
DS
DH
WP
BLC
WPH
1.
2.
A8 through A18 must specify the page address during each high to low transition of WE (or CE).
OE must be high only when WE and CE are both low.
Parameter
Write Cycle Time
Address Set-up Time
Address Hold Time
Data Set-up Time
Data Hold Time
Write Pulse Width
Byte Load Cycle Time
Write Pulse Width High
(1)(2)
Min
100
50
50
50
0
0
Max
150
10
Units
ms
ns
ns
ns
ns
ns
ns
s
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