Cypress CY7C185 Computer Hardware User Manual


 
CY7C185
3
Electrical Characteristics
Over the Operating Range (continued)
7C185–25 7C185-35
Parameter Description Test Conditions Min. Max. Min. Max. Unit
V
OH
Output HIGH Voltage V
CC
= Min., I
OH
= –4.0 mA 2.4 2.4 V
V
OL
Output LOW Voltage V
CC
= Min., I
OL
= 8.0 mA 0.4 0.4 V
V
IH
Input HIGH Voltage 2.2 V
CC
+
0.3V
2.2 V
CC
+
0.3V
V
V
IL
Input LOW Voltage
[2]
–0.5 0.8 –0.5 0.8 V
I
IX
Input Load Current GND V
I
V
CC
–5 +5 –5 +5
µA
I
OZ
Output Leakage
Current
GND V
I
V
CC
,
Output Disabled
–5 +5 –5 +5
µA
I
OS
Output Short
Circuit Current
[3]
V
CC
= Max.,
V
OUT
= GND
–300 –300 mA
I
CC
V
CC
Operating
Supply Current
V
CC
= Max.,
I
OUT
= 0 mA
100 100 mA
I
SB1
Automatic
Power-Down Current
Max. V
CC
, CE
1
V
IH
or
CE
2
V
IL
Min. Duty Cycle=100%
20 20 mA
I
SB2
Automatic
Power-Down Current
Max. V
CC
, CE
1
V
CC
– 0.3V
or CE
2
0.3V
V
IN
V
CC
– 0.3V or V
IN
0.3V
15 15 mA
Capacitance
[4]
Parameter Description Test Conditions Max. Unit
C
IN
Input Capacitance T
A
= 25°C, f = 1 MHz,
V
CC
= 5.0V
7 pF
C
OUT
Output Capacitance 7 pF
Note:
4. Tested initially and after any design or process changes that may affect these parameters.
AC Test Loads and Waveforms
R1 481
3.0V
5V
OUTPUT
R1 481
R2
255
30pF
GND
90%
90%
10%
5ns
5
ns
5V
OUTPUT
C185–4
R2
255
5
pF
C185–5
(a) (b)
OUTPUT 1.73V
INCLUDING
JIG AND
SCOPE
INCLUDING
JIGAND
SCOPE
10%
Equivalent to: THÉVENIN EQUIVALENT
ALL INPUT PULSES
167