AT28C256-15SU SL383 Atmel, AT28C256-15SU SL383 Datasheet - Page 8

• Manufacturer Part Number: AT28C256-15SU SL383
• Manufacturer: Atmel

Specifications of AT28C256-15SU SL383

• Density: 256Kb
• Interface Type: Parallel
• Organization: 32Kx8
• Access Time (max): 150ns
• Write Protection: Yes
• Data Retention: 10Year
• Operating Supply Voltage (typ): 5V
• Operating Temp Range: -40C to 85C
• Supply Current: 50mA
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 28
• Lead Free Status / RoHS Status: 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
0006K–PEEPR–01/08
Units
ns
ns
ns
ns
ns
ns
ns