WCMA1008C1X Datasheet, PDF (3/11 Pages) Weida Semiconductor, Inc. – 128K x 8 Static RAM

WCMA1008C1X
Electrical Characteristics Over the Operating Range
Param-
eter
Description
V_OH
Output HIGH Voltage
V_OL
Output LOW Voltage
V_IH
Input HIGH Voltage
Test Conditions
V_CC = Min., I_OH = – 1 mA
V_CC = Min., I_OL = 2.1 mA
V_IL
Input LOW Voltage
I_IX
Input Leakage Current GND ≤ V_I ≤ V_CC
I_OZ
Output Leakage
Current
GND ≤ V_I ≤ V_CC, Output Dis-
abled
I_CC
V_CC Operating
Supply Current
f=f_MAX=1/t_RC I_OUT =0 mA
V_CC = Max.,
I_SB1
Automatic CE
Max. V_CC,CE₁≥V_IH,CE₂<V_IH
Power-Down Current V_IN ≥ V_IH or V_IN ≤ V_IL, f = f_MAX
—TTL Inputs
I_SB2
Automatic CE
Max. V_CC, CE₁ ≥ V_CC –
Power-Down Current 0.3V,CE₂ <0.3
—CMOS Inputs
V_IN ≥ V_CC – 0.3V, or V_IN ≤
0.3V, f =0
WCMA1008C1X-55
Min. Typ.^[2] Max.
2.4
0.4
2.2
V_CC
+0.3
–0.3
0.8
–1
+1
–1
+1
7.5
20
0.1
2
2.5
15
WCMA1008C1X-70
Min. Typ.^[2] Max.
2.4
0.4
2.2
V_CC
+0.3
–0.3
0.8
–1
+1
–1
+1
Units
V
V
V
V
µA
µA
6
15 mA
0.1
1
mA
15 µA
Capacitance^[3]
Parameter
C_IN
C_OUT
Description
Input Capacitance
Output Capacitance
Test Conditions
T_A = 25°C, f = 1 MHz,
V_CC = 5.0V
Max.
Unit
9
pF
9
pF
AC Test Loads and Waveforms
R1 1800 Ω
5V
R1 1800Ω
5V
OUTPUT
OUTPUT
100 pF
INCLUDING
JIG AND
SCOPE
(a)
R2
990 Ω
5 pF
INCLUDING
JIG AND
SCOPE
(b)
Equivalent to: THEVENIN EQUIVALENT
OUTPUT
639 Ω
1.77V
R2
990 Ω
3.0V
GND
≤ 3 ns
Note:
3. Tested initially and after any design or process changes that may affect these parameters.
ALL INPUT PULSES
90%
10%
90%
10%
≤ 3 ns
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