WCMS0808U1X
AC Test Loads and Waveforms
R1
Vcc
OUTPUT
50 pF
INCLUDING
JIG AND
SCOPE
Equivalent to:
THÉVENIN EQUIVALENT
R
th
OUTPUT
V
th
R2
Vcc
10%
GND
<
5 ns
ALL INPUT PULSES
90%
90%
10%
<
5 ns
Parameters
R1
R2
RTH
VTH
3.3 V
1103
1554
645
1.75V
Unit
KOhms
KOhms
KOhms
Volts
Data Retention Characteristics
(Over the Operating Range)
Parameter
V
DR
I
CCDR
t
CDR[3]
t
R[3]
Description
V
CC
for Data Retention
Data Retention Current
V
CC
= 1.6
CE > V
CC
– 0.3V,
V
IN
> V
CC
– 0.3V or V
IN
< 0.3V
0
t
RC
Conditions
Min.
1.4
0.1
6
Typ.
Max.
Unit
V
uA
Chip Deselect to Data
Retention Time
Operation Recovery
Time
ns
ns
Data Retention Waveform
DATA RETENTION MODE
V
CC
1.8V
t
CDR
CE
V
DR
> 1.4V
1.8V
t
R
Page 3 of 10
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