x28c64 Intersil Corporation, x28c64 Datasheet - Page 12

• Manufacturer Part Number: x28c64
• Description: 5 Volt, Byte Alterable E2prom
• Manufacturer: Intersil Corporation

X28C64
A.C. CHARACTERISTICS (Over recommended operating conditions, unless otherwise specified.)
Read Cycle Limits
Read Cycle
Notes: (4) t
DATA I/O
Symbol
t
t
t
t
t
t
t
t
t
RC
CE
AA
OE
LZ
OLZ
HZ
OHZ
OH
ADDR.
(4)
(4)
WE
(4)
OE
(4)
CE
C
LZ
L
= 5pF, from the point when CE or OE return HIGH (whichever occurs first) to the time when the outputs are no longer driven.
min.,t
V IH
HIGH Z
HZ
Read Cycle Time
Chip Enable Access Time
Address Access Time
Output Enable Access Time
CE LOW to Active Output
OE LOW to Active Output
CE HIGH to High Z Output
OE HIGH to High Z Output
Output Hold from Address Change
, t
OLZ
min., and t
Parameter
t LZ
OHZ
t OLZ
t CE
are periodically sampled and not 100% tested. t
t OE
t RC
DATA VALID
12
Min.
X28C64-15
150
0
0
0
Max.
150
150
70
50
50
t OH
t AA
HZ
Min.
X28C64-20
200
max. and t
0
0
0
Max.
200
200
50
80
50
OHZ
DATA VALID
max. are measured, with
Min.
250
X28C64-25
0
0
0
t HZ
Max.
250
250
100
50
50
3853 FHD F05
3856 PGM T10.1
t OHZ
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns