AT28C040-20BI Atmel, AT28C040-20BI Datasheet - Page 7
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AT28C040-20BI
Manufacturer Part Number
AT28C040-20BI
Description
IC EEPROM 4MBIT 200NS 32CDIP
Manufacturer
Atmel
Datasheet
1.AT28C040-20BC.pdf
(12 pages)
Specifications of AT28C040-20BI
Format - Memory
EEPROMs - Parallel
Memory Type
EEPROM
Memory Size
4M (512K x 8)
Speed
200ns
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Package / Case
32-CDIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
AT28C04020BI
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT28C040-20BI
Manufacturer:
ATMEL
Quantity:
23
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
7