Datasheet

CY74FCT16373
T
CY74FCT162373
T
3
Output Drive Characteristics for CY74FCT162373T
Parameter Description Test Conditions Min. Typ.
[4]
Max. Unit
I
ODL
Output LOW Current
[6]
V
CC
=5V, V
IN
=V
IH
or V
IL
, V
OUT
=1.5V 60 115 150 mA
I
ODH
Output HIGH Current
[6]
V
CC
=5V, V
IN
=V
IH
or V
IL
, V
OUT
=1.5V −60 −115 −150 mA
V
OH
Output HIGH Voltage V
CC
=Min., I
OH
=−24 mA 2.4 3.3 V
V
OL
Output LOW Voltage V
CC
=Min., I
OL
=24 mA 0.3 0.55 V
Capacitance
[5]
(T
A
= +25˚C, f = 1.0 MHz)
Parameter Description Test Conditions Typ.
[4]
Max. Unit
C
IN
Input Capacitance V
IN
= 0V 4.5 6.0 pF
C
OUT
Output Capacitance V
OUT
= 0V 5.5 8.0 pF
Power Supply Characteristics
Parameter Description Test Conditions Typ.
[4]
Max. Unit
I
CC
Quiescent Power Supply Current V
CC
=Max. V
IN
≤0.2V,
V
IN
≥V
CC
−0.2V
5 500 µA
∆I
CC
QuiescentPowerSupplyCurrent
(TTL inputs HIGH)
V
CC
=Max. V
IN
=3.4V
[8]
0.5 1.5 mA
I
CCD
Dynamic Power Supply
Current
[9]
V
CC
=Max., One Input
Toggling, 50% Duty Cycle,
Outputs Open,
OE=GND
V
IN
=V
CC
or
V
IN
=GND
60 100 µA/MHz
I
C
Total Power Supply Current
[10]
V
CC
=Max., f
1
=10 MHz,
50% Duty Cycle, Outputs
Open, One Bit Toggling,
OE=GND, LE=V
CC
V
IN
=V
CC
or
V
IN
=GND
0.6 1.5 mA
V
IN
=3.4V or
V
IN
=GND
0.9 2.3 mA
V
CC
=Max., f
1
=2.5 MHz,
50% Duty Cycle, Outputs
Open, Sixteen Bits Toggling,
OE=GND, LE=V
CC
V
IN
=V
CC
or
V
IN
=GND
2.4 4.5
[11]
mA
V
IN
=3.4V or
V
IN
=GND
6.4 16.5
[11]
mA
Notes:
8. Per TTL driven input (V
IN
=3.4V); all other inputs at V
CC
or GND.
9. This parameter is not directly testable, but is derived for use in Total Power Supply calculations.
10. I
C
=I
QUIESCENT
+ I
INPUTS
+ I
DYNAMIC
I
C
=I
CC
+∆I
CC
D
H
N
T
+I
CCD
(f
0
/2 + f
1
N
1
)
I
CC
= Quiescent Current with CMOS input levels
∆I
CC
= Power Supply Current for a TTL HIGH input(V
IN
=3.4V)
D
H
= Duty Cycle for TTL inputs HIGH
N
T
= Number of TTL inputs at D
H
I
CCD
= Dynamic Current caused by an input transition pair (HLH or LHL)
f
0
= Clock frequency for registered devices, otherwise zero
f
1
= Input signal frequency
N
1
= Number of inputs changing at f
1
All currents are in milliamps and all frequencies are in megahertz.
11. Values for these conditions are examples of the I
CC
formula. These limits are specified but not tested.