CAT28C64B CATALYST [Catalyst Semiconductor], CAT28C64B Datasheet - Page 6

• Manufacturer Part Number: CAT28C64B
• Description: 64K-Bit CMOS PARALLEL E2PROM
• Manufacturer: CATALYST [Catalyst Semiconductor]

A.C. CHARACTERISTICS, Write Cycle
V
Note:
(1)
(2)
(3)
Doc. No. 25006-0A 2/98 P-1
CC
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
WC
AS
AH
CS
CH
CW
OES
OEH
WP
DS
DH
INIT
BLC
= 5V 10%, unless otherwise specified.
This parameter is tested initially and after a design or process change that affects the parameter.
A write pulse of less than 20ns duration will not initiate a write cycle.
A timer of duration t
however a transition from HIGH to LOW within t
(2)
(2)
(1)
(1)(3)
Parameter
Write Cycle Time
Address Setup Time
Address Hold Time
CE Setup Time
CE Hold Time
CE Pulse Time
OE Setup Time
OE Hold Time
WE Pulse Width
Data Setup Time
Data Hold Time
Write Inhibit Period After Power-up
Byte Load Cycle Time
BLC
max. begins with every LOW to HIGH transition of WE. If allowed to time out, a page or byte write will begin;
BLC
max. stops the timer.
Min.
100
110
110
6
.05
28C64B-12
60
0
0
0
0
0
0
5
Max.
100
10
5
Min.
100
110
110
.05
28C64B-15
60
0
0
0
0
0
0
5
Max.
100
10
5
Units
ms
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
s