AT28C64B-20JI Atmel, AT28C64B-20JI Datasheet - Page 6

• Manufacturer Part Number: AT28C64B-20JI
• Manufacturer: Atmel

Specifications of AT28C64B-20JI

• Density: 64Kb
• Interface Type: Parallel
• Organization: 8Kx8
• Access Time (max): 200ns
• Write Protection: Yes
• Data Retention: 10Year
• Operating Supply Voltage (typ): 5V
• Package Type: PLCC
• Operating Temp Range: -40C to 85C
• Supply Current: 40mA
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 32
• Lead Free Status / RoHS Status: Not Compliant

AC Write Characteristics
AC Write Waveforms
WE Controlled
CE Controlled
6
Symbol
t
t
t
t
t
t
t
AS
AH
CS
CH
WP
DS
DH
, t
, t
OES
OEH
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
AT28C64B
Min
100
50
50
0
0
0
0
Max
Units
ns
ns
ns
ns
ns
ns
ns