CY62256 データシートの表示（PDF） - Cypress Semiconductor
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CY62256 Datasheet PDF : 12 Pages
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CY62256
AC Test Loads and Waveforms
5V
OUTPUT
R1 1800 Ω
5V
OUTPUT
100 pF
INCLUDING
JIG AND
SCOPE
R2
990Ω
(a)
5 pF
INCLUDING
JIG AND
SCOPE
Equivalent to:
THÉVENIN EQUIVALENT
OUTPUT
639Ω
1.77V
R1 1800 Ω
R2
990Ω
C62256–5
(b)
3.0V
10%
GND
< 5 ns
ALL INPUT PULSES
90%
90%
10%
< 5 ns
C62256–6
Data Retention Characteristics
Parameter
Description
Conditions[4]
VDR
ICCDR
tCDR[3]
tR[3]
VCC for Data Retention
Data Retention Current
L
LL
LL Indust’l
VCC = 3.0V,
CE > VCC − 0.3V,
VIN > VCC − 0.3V or
VIN < 0.3V
Chip Deselect to Data
Retention Time
Operation Recovery Time
Data Retention Waveform
DATA RETENTION MODE
VCC
3.0V
VDR > 2V
tCDR
CE
Note:
4. No input may exceed VCC+0.5V.
Min.
2.0
0
Typ.[2]
2
0.1
0.1
Max.
50
5
10
Unit
V
µA
µA
µA
ns
tRC
ns
3.0V
tR
C62256–7
3
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