X28HC64 Datasheet, PDF (12/24 Pages) Xicor Inc. – 5 Volt, Byte Alterable E2PROM

X28HC64
A.C. CHARACTERISTICS (Over the recommended operating conditions unless otherwise specified.)
Read Cycle Limits
Symbol
Parameter
X28HC64-70 X28HC64-90 X28HC64-12
–55°C to +125°C –55°C to +125°C –55°C to +125°C
Min. Max. Min. Max. Min. Max. Units
t_RC
t_CE
t_AA
t_OE
t_LZ(4)
t_OLZ(4)
t_HZ(4)
t_OHZ(4)
t_OH
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
70
90
120
ns
70
90
120 ns
70
90
120 ns
35
40
50 ns
0
0
0
ns
0
0
0
ns
30
30
30 ns
30
30
30 ns
0
0
0
ns
3857 PGM T10.1
Read Cycle
ADDRESS
CE
OE
VIH
WE
DATA I/O
HIGH Z
tRC
tCE
tOE
tOLZ
tLZ
tOH
DATA VALID
tAA
tHZ
DATA VALID
tOHZ
3857 FHD F05
Notes: (4) t_LZ min., t_HZ, t_OLZ min., and t_OHZ are periodically sampled and not 100% tested. t_HZ max. and t_OHZ max. are measured from the
point when CE or OE return HIGH (whichever occurs first) to the time when the outputs are no longer driven.
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