X28HT512 Datasheet, PDF (6/13 Pages) Xicor Inc. – High Temperature, 5 Volt, Byte Alterable E2PROM

X28HT512
A.C. CHARACTERISTICS (Over the recommended operating conditions, unless otherwise specified.)
Read Cycle Limits
Symbol
t_RC
t_CE
t_AA
t_OE
t_LZ(3)
t_OLZ(3)
t_HZ(3)
t_OHZ(3)
t_OH
Parameter
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
X28HT512-20 X28HT512-25
Min. Max. Min. Max. Units
200
200
200
80
0
0
80
80
0
250
ns
250 ns
250 ns
80 ns
0
ns
0
ns
80 ns
80 ns
0
ns
6614 PGM T09.1
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
6614 FHD F05
Notes: (3) t_LZ min., t_HZ, t_OLZ min., and tOHZ are periodically sampled and not 100% tested. t_HZ max. and t_OHZ max. are measured, with
C_L = 5pF 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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