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WCMA1008C1X Datasheet(PDF) 3 Page - Weida Semiconductor, Inc.

Part # WCMA1008C1X
Description  128K x 8 Static RAM
Download  11 Pages
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Manufacturer  WEIDA [Weida Semiconductor, Inc.]
Direct Link  http://www.weida.com.my/website/
Logo WEIDA - Weida Semiconductor, Inc.

WCMA1008C1X Datasheet(HTML) 3 Page - Weida Semiconductor, Inc.

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WCMA1008C1X
Page 3 of 11
Electrical Characteristics Over the Operating Range
Param-
eter
Description
Test Conditions
WCMA1008C1X-55
WCMA1008C1X-70
Units
Min.
Typ.[2]
Max.
Min.
Typ.[2]
Max.
VOH
Output HIGH Voltage
VCC = Min., IOH = – 1 mA
2.4
2.4
V
VOL
Output LOW Voltage
VCC = Min., IOL = 2.1 mA
0.4
0.4
V
VIH
Input HIGH Voltage
2.2
VCC
+0.3
2.2
VCC
+0.3
V
VIL
Input LOW Voltage
–0.3
0.8
–0.3
0.8
V
IIX
Input Leakage Current
GND
≤ V
I ≤ VCC
–1
+1
–1
+1
µA
IOZ
Output Leakage
Current
GND
≤ V
I ≤ VCC, Output Dis-
abled
–1
+1
–1
+1
µA
ICC
VCC Operating
Supply Current
f=fMAX=1/tRC IOUT =0 mA
VCC = Max.,
7.5
20
6
15
mA
ISB1
Automatic CE
Power-Down Current
—TTL Inputs
Max. VCC,CE1≥VIH,CE2<VIH
VIN ≥ VIH or VIN ≤ VIL, f = fMAX
0.1
2
0.1
1
mA
ISB2
Automatic CE
Power-Down Current
—CMOS Inputs
Max. VCC, CE1 ≥ VCC
0.3V,CE2 <0.3
VIN ≥ VCC – 0.3V, or VIN
0.3V, f =0
2.5
15
15
µA
Capacitance[3]
Parameter
Description
Test Conditions
Max.
Unit
CIN
Input Capacitance
TA = 25°C, f = 1 MHz,
VCC = 5.0V
9
pF
COUT
Output Capacitance
9
pF
AC Test Loads and Waveforms
Note:
3.
Tested initially and after any design or process changes that may affect these parameters.
5V
OUTPUT
5 pF
INCLUDING
JIG AND
SCOPE
(b)
R2
990
(a)
90%
10%
3.0V
GND
90%
10%
≤ 3 ns
≤ 3ns
OUTPUT
639
Equivalent to:
THEVENIN EQUIVALENT
1.77V
R1 1800
ALL INPUT PULSES
5V
OUTPUT
INCLUDING
JIG AND
SCOPE
R2
990
R1 1800
100 pF


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