CY62256
AC Test Loads and Waveforms
R1 1800Ω
5V
OUTPUT
100 pF
INCLUDING
JIG AND
SCOPE
R2
990Ω
5 pF
INCLUDING
JIG AND
SCOPE
Equivalent to:
R2
990Ω
GND
< 5 ns
5V
OUTPUT
3.0V
10%
R1 1800Ω
ALL INPUT PULSES
90%
90%
10%
< 5 ns
(a)
(b)
THEVENIN EQUIVALENT
639Ω
1.77V
OUTPUT
Data Retention Characteristics
Parameter
V
DR
I
CCDR
Description
V
CC
for Data Retention
Data Retention Current
L
LL - Com’l
LL - Ind’l
LL - Auto
t
CDR[5]
t
R[5]
Chip Deselect to Data Retention Time
Operation Recovery Time
0
t
RC
V
CC
= 2.0V, CE > V
CC
−
0.3V,
V
IN
> V
CC
−
0.3V, or V
IN
< 0.3V
Conditions
[6]
Min.
2.0
2
0.1
0.1
0.1
50
5
10
10
Typ.
[2]
Max.
Unit
V
µA
µA
µA
µA
ns
ns
Data Retention Waveform
DATA RETENTION MODE
V
CC
V
CC(min)
t
CDR
V
DR
>
2V
V
CC(min)
t
R
CE
Note:
6. No input may exceed V
CC
+ 0.5V.
Document #: 38-05248 Rev. *F
Page 4 of 14
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