X28C512 Xicor, X28C512 Datasheet - Page 12

• Manufacturer Part Number: X28C512
• Description: 5 Volt/ Byte Alterable E2PROM
• Manufacturer: Xicor

X28C512/X28C513
A.C. CHARACTERISTICS (Over the recommended operating conditions, unless otherwise specified.)
Read Cycle Limits
Read Cycle
Notes: (3) t
Symbol
t
t
t
t
t
t
t
t
t
RC
CE
AA
OE
LZ
OLZ (3)
HZ (3)
OHZ
OH
(3)
ADDRESS
(3)
DATA I/O
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
C
WE
OE
CE
LZ
L
min., t
= 5pF from the point when CE or OE return HIGH (whichever occurs first) to the time when the outputs are no longer driven.
HZ
V IH
HIGH Z
Parameter
, t
OLZ
min., and tOHZ are periodically sampled and not 100% tested. t
t LZ
t OLZ
t CE
X28C512-90 X28C512-12 X28C512-15 X28C512-20 X28C512-25
X28C513-90 X28C513-12 X28C513-15 X28C513-20 X28C513-25
Min. Max. Min. Max.
90
t OE
0
0
0
t RC
90
90
40
40
40
120
DATA VALID
0
0
0
12
120
120
50
50
50
150
Min. Max. Min. Max. Min. Max. Units
0
0
0
t OH
t AA
150
150
50
50
50
HZ
max. and t
200
0
0
0
OHZ
DATA VALID
200
200
50
50
50
max. are measured, with
250
0
0
0
t HZ
3856 FHD F16
250
250
50
50
50
3856 PGM T09.4
t OHZ
ns
ns
ns
ns
ns
ns
ns
ns
ns