CY7C197
Electrical Characteristics Over the Operating Range (continued)
Parameter
Description
VOH
Output HIGH Voltage
VOL
Output LOW Voltage
Test Conditions
VCC = Min., IOH = −4.0 mA
VCC = Min. IOL=12.0mA
7C197-20
Min. Max.
2.4
0.4
7C197-25, 35, 45
Min. Max. Unit
2.4
V
0.4
V
VIH
Input HIGH Voltage
2.2
VCC
2.2
VCC
V
+ 0.3V
+ 0.3V
VIL
Input LOW Voltage[1]
−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[2]
VCC = Max., VOUT = GND
−300
−300 mA
ICC
VCC Operating
Supply Current
VCC = Max., IOUT = 0 mA,
f = fMAX = 1/tRC
ISB1
Automatic CE Power Down
Current—TTL Inputs[3]
Max. VCC, CE > VIH, VIN > VIH or
VIN < VIL, f = fMAX
ISB2
Automatic CE Power-Down
Current—CMOS Inputs[3]
Max. VCC, CE > VCC − 0.3V,
VIN > VCC − 0.3V or VIN < 0.3V
135
95 mA
30
30 mA
15
15 mA
Capacitance[4]
Parameter
CIN
COUT
Description
Input Capacitance
Output Capacitance
Test Conditions
TA = 25°C, f = 1 MHz,
VCC = 5.0V
Max.
Unit
8
pF
10
pF
AC Test Loads and Waveforms[5]
5V
OUTPUT
R1 329Ω
5V
OUTPUT
R1 329Ω
30 pF
INCLUDING
JIG AND
SCOPE
R2
5 pF
202Ω
(255Ω MIL) INCLUDING
JIG AND
(a)
SCOPE (b)
Equivalent to: THÉVENIN EQUIVALENT
125Ω
OUTPUT
1.90V
Commercial
R2
255Ω
(255Ω MIL)
C197-4
3.0V
GND
10%
< tr
ALL INPUT PULSES
90%
90%
10%
< tr
C197-5
Notes:
4. Tested initially and after any design or process changes that may affect these parameters.
5. tr = < 3 ns for the -12 and -15 speeds. tr = < 5 ns for the -20 and slower speeds.
Document #: 38-05049 Rev. **
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