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WCMS0808U1X Datasheet(PDF) 3 Page - Weida Semiconductor, Inc.

Part # WCMS0808U1X
Description  32K x 8 Static RAM
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Manufacturer  WEIDA [Weida Semiconductor, Inc.]
Direct Link  http://www.weida.com.my/website/
Logo WEIDA - Weida Semiconductor, Inc.

WCMS0808U1X Datasheet(HTML) 3 Page - Weida Semiconductor, Inc.

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WCMS0808U1X
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AC Test Loads and Waveforms
Parameters
3.3 V
Unit
R1
1103
KOhms
R2
1554
KOhms
RTH
645
KOhms
VTH
1.75V
Volts
Data Retention Characteristics (Over the Operating Range)
Parameter
Description
Conditions[4]
Min.
Typ.[2]
Max.
Unit
VDR
VCC for Data Retention
1.4
V
ICCDR
Data Retention Current
VCC = 1.6
CE > VCC – 0.3V,
VIN > VCC – 0.3V or VIN < 0.3V
0.1
6
uA
tCDR
[3]
Chip Deselect to Data
Retention Time
0
ns
tR
[3]
Operation Recovery
Time
tRC
ns
Data Retention Waveform
Vcc
Vcc
OUTPUT
R2
50 pF
INCLUDING
JIG AND
SCOPE
GND
90%
10%
90%
10%
< 5ns
< 5 ns
OUTPUT
Vth
Equivalent to:
THÉVENIN EQUIVALENT
ALL INPUT PULSES
R1
Rth
1.8V
1.8V
tCDR
VDR > 1.4V
DATA RETENTION MODE
tR
CE
VCC


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