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CD54HCT390 Datasheet, PDF (5/13 Pages) Texas Instruments – High-Speed CMOS Logic Dual Decade Ripple Counter
CD74HC390, CD54HCT390, CD74HCT390
DC Electrical Specifications (Continued)
PARAMETER
HCT TYPES
SYMBOL
TEST
CONDITIONS
VI (V) IO (mA)
VCC
(V)
25oC
-40oC TO 85oC -55oC TO 125oC
MIN TYP MAX MIN MAX MIN MAX UNITS
High Level Input
Voltage
VIH
-
-
4.5 to
2
-
-
2
-
2
-
V
5.5
Low Level Input
Voltage
VIL
-
-
4.5 to
-
-
0.8
-
0.8
-
0.8
V
5.5
High Level Output
VOH VIH or VIL -0.02
4.5
4.4
-
-
4.4
-
4.4
-
V
Voltage
CMOS Loads
High Level Output
Voltage
TTL Loads
-4
4.5
3.98
-
-
3.84
-
3.7
-
V
Low Level Output
Voltage
CMOS Loads
VOL VIH or VIL 0.02
4.5
-
-
0.1
-
0.1
-
0.1
V
Low Level Output
Voltage
TTL Loads
4
4.5
-
-
0.26
-
0.33
-
0.4
V
Input Leakage
Current
II
VCC and
0
5.5
-
-
±0.1
-
±1
-
±1
µA
GND
Quiescent Device
Current
ICC
VCC or
0
GND
5.5
-
-
8
-
80
-
160
µA
Additional Quiescent
Device Current Per
Input Pin: 1 Unit Load
∆ICC
(Note 2)
VCC
-2.1
-
4.5 to
-
100 360
-
450
-
490
µA
5.5
NOTE:
2. For dual-supply systems theoretical worst case (VI = 2.4V, VCC = 5.5V) specification is 1.8mA.
HCT Input Loading Table
INPUT
UNIT LOADS
nCP0
0.45
nCP1, MR
0.6
NOTE: Unit Load is ∆ICC limit specified in DC Electrical Table, e.g.,
360µA max at 25oC.
Prerequisite for Switching Specifications
CHARACTERISTIC
HC TYPES
Maximum Clock
Frequency
Clock Pulse Width,
nCP0, nCP1
SYMBOL
VCC (V)
fMAX
2
4.5
6
tW
2
4.5
6
25oC
-40oC TO 85oC -55oC TO 125oC
MIN TYP MAX MIN MAX MIN MAX UNITS
6
-
30
-
35
-
80
-
16
-
14
-
-
5
-
4
-
MHz
-
24
-
20
-
MHz
-
28
-
24
-
MHz
-
100
-
120
-
ns
-
20
-
24
-
ns
-
17
-
20
-
ns
5