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CY7C195-20 Datasheet(PDF) 3 Page - Cypress Semiconductor

Part # CY7C195-20
Description  64K x 4 Static RAM
Download  12 Pages
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Manufacturer  CYPRESS [Cypress Semiconductor]
Direct Link  http://www.cypress.com
Logo CYPRESS - Cypress Semiconductor

CY7C195-20 Datasheet(HTML) 3 Page - Cypress Semiconductor

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CY7C194
CY7C195
CY7C196
Document #: 38-05162 Rev. **
Page 3 of 12
)
Electrical Characteristics Over the Operating Range (continued)
7C194-20
7C195-20
7C196-20
7C194-25, 35, 45
7C195-25, 35
7C196-25, 35, 45
Parameter
Description
Test Conditions
Min.
Max.
Min.
Max.
Unit
VOH
Output HIGH Voltage
VCC = Min., IOH = −4.0 mA
2.4
2.4
V
VOL
Output LOW Voltage
VCC = Min., IOL = 8.0 mA
0.4
0.4
V
VIH
Input HIGH Voltage
2.2
VCC
+ 0.3V
2.2
VCC
+0.3V
V
VIL
Input LOW Voltage
–0.5
0.8
–0.5
0.8
V
IIX
Input Load Current
GND < VI < VCC
–5
+5
–5
+5
µA
IOZ
Output Leakage
Current
GND < VO < VCC,
Output Disabled
–5
+5
–5
+5
µA
IOS
Output Short
Circuit Current[3]
VCC = Max.,
VOUT = GND
–300
–300
mA
ICC
VCC Operating
Supply Current
VCC=Max., IOUT=0 mA,
f=fMAX=1/tRC
135
115
mA
ISB1
Automatic CE
Power-Down Current
—TTL Inputs[4]
Max. VCC, CE1,2 > VIH,
VIN > VIH or
VIN < VIL, f = fMAX
30
30
mA
ISB2
Automatic CE
Power-Down Current
—CMOS Inputs[4]
Max. VCC, CE1,2 > VCC – 0.3V,
VIN > VCC – 0.3V or
VIN < 0.3V, f = 0
15
15
mA
Capacitance[5]
Parameter
Description
Test Conditions
Max.
Unit
CIN
Input Capacitance
TA = 25°C, f = 1 MHz,
VCC = 5.0V
8
pF
COUT
Output Capacitance
10
pF
AC Test Loads and Waveforms[6]
Notes:
5.
Tested initially and after any design or process changes that may affect these parameters.
6.
tr = < 3 ns for the -12 and -15 speeds. T.r = < 5 ns for the -20 and slower speeds.
3.0V
5V
OUTPUT
R1 481
R2
255
30 pF
INCLUDING
JIG AND
SCOPE
GND
90%
10%
90%
10%
<tr
<tr
5V
OUTPUT
R1 481
R2
255
5pF
INCLUDING
JIG AND
SCOPE
(a)
(b)
OUTPUT
1.73V
Equivalent to:
THÉ
EVENIN EQUIVALENT
ALL INPUT PULSES
C194-4
C194-5
167


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