11
FN8124.2
July 3, 2008
NOVRAM Read Cycle Specifications
Electrical Specifications
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.
SYMBOL PARAMETER
V
CC
= 3.0V TO 3.6V
-40°C TO +85°C
UNIT MIN MAX
t
RC
Read Cycle Time 120 ns
t
CE
Chip Enable Access Time 50 ns
t
OE
Output Enable Access Time 50 ns
t
OH
Output Hold From CE or OE High 0 ns
t
WES
Write Enable High Set-ups Time 25 ns
t
WEH
Write Enable High Hold Time 25 ns
t
LZ
(Note 7) Chip Enable to Output in Low Z 0 ns
t
OLZ
(Note 7) Output Enable to Output in Low Z 0 ns
t
HZ
(Note 7) Chip Disable to Output in High Z 0 50 ns
t
OHZ
(Note 7) Output Disable to Output in High Z 0 50 ns
t
SOE
(Note 7) OE Setup Prior to Operation in 2-wire Mode 100 ms
t
HOE
(Note 7) OE Hold Following Operation in 2-wire Mode 100 ms
NOTE:
7. t
LZ
and t
OLZ
min.; t
SOE
and t
HOE
min; and t
HZ
and t
OHZ
are periodically sampled and not 100% tested. t
HZ
max. and t
OHZ
max. are measured,
with CL = 5pF, from the point when CE
or OE return high (whichever occurs first) to the time when the outputs are no longer driven.
t
OHZ
t
HZ
t
CE
t
OE
t
OLZ
t
LZ
OE
CE
WE
D0 - D3
t
WES
t
WEH
t
OH
t
RC
Electrical Specifications V
CC
= 3.0V to 3.6V, T
A
= -40°C to +85°C. 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.
SYMBOL PARAMETER MIN MAX UNIT
t
WC
Write Cycle Time 120 ns
t
WC1
Write Cycle Time 170 ns
t
OES
Output Enable HIGH Set-up Time 50 ns
t
OEH
Output Enable HIGH Hold Time 50 ns
X4C105
