AT28C256-15SA Atmel, AT28C256-15SA Datasheet - Page 8
![IC EEPROM 256KBIT 150NS 28SOIC](/photos/6/82/68295/453-28-soic_sml.jpg)
AT28C256-15SA
Manufacturer Part Number
AT28C256-15SA
Description
IC EEPROM 256KBIT 150NS 28SOIC
Manufacturer
Atmel
Datasheet
1.AT28C256-15PU.pdf
(25 pages)
Specifications of AT28C256-15SA
Format - Memory
EEPROMs - Parallel
Memory Type
EEPROM
Memory Size
256K (32K x 8)
Speed
150ns
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 125°C
Package / Case
28-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
14. AC Write Characteristics
Note:
15. AC Write Waveforms
15.1
15.2
8
Symbol
t
t
t
t
t
t
t
t
AS
AH
CS
CH
WP
DS
DH
DV
, t
, t
OES
OEH
1. NR = No Restriction
WE Controlled
CE Controlled
AT28C256
Parameter
Address, OE Setup Time
Address Hold Time
Chip Select Setup Time
Chip Select Hold Time
Write Pulse Width (WE or CE)
Data Setup Time
Data, OE Hold Time
Time to Data Valid
NR
Min
100
50
50
0
0
0
0
(1)
Max
0006M–PEEPR–12/09
Units
ns
ns
ns
ns
ns
ns
ns