X28HC64 Xicor, X28HC64 Datasheet - Page 12

• Manufacturer Part Number: X28HC64
• Description: 5 Volt/ Byte Alterable E2PROM
• Manufacturer: Xicor

X28HC64
A.C. CHARACTERISTICS (Over the recommended operating conditions unless otherwise specified.)
Read Cycle Limits
Read Cycle
Notes: (4) t
Symbol
ADDRESS
t
t
t
t
t
t
t
t
t
DATA I/O
RC
CE
AA
OE
LZ (4)
OLZ
HZ (4)
OHZ (4)
OH
(4)
WE
OE
CE
point when CE or OE return HIGH (whichever occurs first) to the time when the outputs are no longer driven.
LZ
min., t
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
HIGH Z
V IH
HZ
, t
Parameter
OLZ
min., and t
t LZ
OHZ
t OLZ
t CE
are periodically sampled and not 100% tested. t
t OE
t RC
DATA VALID
12
–55 C to +125 C –55 C to +125 C –55 C to +125 C
X28HC64-70
Min.
70
0
0
0
Max.
70
70
35
30
30
t OH
t AA
HZ
X28HC64-90
Min.
90
max. and t
0
0
0
Max.
90
90
40
30
30
OHZ
DATA VALID
max. are measured from the
X28HC64-12
Min.
120
0
0
0
t HZ
Max. Units
120
120
50
30
30
3857 FHD F05
3857 PGM T10.1
t OHZ
ns
ns
ns
ns
ns
ns
ns
ns
ns