AT29C257-70JC Atmel, AT29C257-70JC Datasheet - Page 7
![IC FLASH 256KBIT 70NS 32PLCC](/photos/7/21/72190/453-32-plcc_sml.jpg)
AT29C257-70JC
Manufacturer Part Number
AT29C257-70JC
Description
IC FLASH 256KBIT 70NS 32PLCC
Manufacturer
Atmel
Datasheet
1.AT29C257-12JI.pdf
(12 pages)
Specifications of AT29C257-70JC
Format - Memory
FLASH
Memory Type
FLASH
Memory Size
256K (32K x 8)
Speed
70ns
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
0°C ~ 70°C
Package / Case
32-PLCC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
AT29C25770JC
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT29C257-70JC
Manufacturer:
ATM
Quantity:
1 980
Company:
Part Number:
AT29C257-70JC
Manufacturer:
ATM
Quantity:
1 980
Company:
Part Number:
AT29C257-70JC
Manufacturer:
ATMEL
Quantity:
16 988
Notes: 1. A6 through A14 must specify the page address
Program Cycle Characteristics
Program Cycle Waveforms
Symbol
t
t
t
t
t
t
t
t
WC
AS
AH
DS
DH
WP
BLC
WPH
2. OE must be high when WE and CE are both low.
during each high to low transition of WE (or CE).
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, 3)
Min
100
50
35
90
0
0
3. All bytes that are not loaded within the page being
programmed will be indeterminate.
Max
150
10
AT29C257
Units
ms
ns
ns
ns
ns
ns
ns
s
4-111