X28HC64_15 Datasheet, PDF (11/18 Pages) Intersil Corporation – 5 Volt, Byte Alterable EEPR

X28HC64
AC Electrical Specifications
Read Cycle Limits
Over the recommended operating conditions unless otherwise specified. Parameters with MIN and/or MAX limits are
100% tested at +25°C, unless otherwise specified. Temperature limits established by characterization and are not
production tested.
X28HC64-70
X28HC64-90
X28HC64-12
-55°C TO +125°C
-55°C TO +125°C
-55°C TO +125°C
PARAMETER
SYMBOL
MIN
MAX
MIN
MAX
MIN
MAX
UNIT
Read Cycle Time
t_RC
70
90
120
ns
Chip Enable Access Time
t_CE
70
90
120
ns
Address Access Time
t_AA
70
90
120
ns
Output Enable Access Time
t_OE
35
40
50
ns
CE LOW to Active Output (Note 6)
t_LZ
0
0
0
ns
OE LOW to Active Output (Note 6)
t_OLZ
0
0
0
ns
CE HIGH to High Z Output (Note 6)
t_HZ
30
30
30
ns
OE HIGH to High Z Output (Note 6)
t_OHZ
30
30
30
ns
Output Hold from Address Change
t_OH
0
0
0
ns
NOTE:
6. 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.
Read Cycle
ADDRESS
CE
OE
V_IH
WE
DATA I/O
HIGH Z
t_RC
t_CE
t_OE
t_OLZ
t_LZ
t_OH
DATA VALID
t_AA
t_HZ
DATA VALID
t_OHZ
11
FN8109.3
August 18, 2015