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CD54HC123_08 Datasheet, PDF (4/19 Pages) Texas Instruments – High-Speed CMOS Logic Dual Retriggerable Monostable Multivibrators with Resets
CD54/74HC123, CD54/74HCT123, CD74HC423, CD74HCT423
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
GND
5.5
-
±0.1
-
±1
-
±1
µA
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
All
0.35
NOTE: Unit Load is ∆ICC limit specified in DC Electrical Table, e.g.
360µA max at 25oC.
Prerequisite for Switching Specifications
PARAMETER
HC TYPES
Minimum Input,
Pulse Width
A
B
SYMBOL VCC (V) MIN
tWL
2
100
4.5
20
6
17
tWH
2
100
4.5
20
6
17
25oC
TYP
-
-
-
-
-
-
MAX
-
-
-
-
-
-
-40oC TO 85oC
MIN TYP MAX
125
-
-
25
-
-
21
-
-
125
-
-
25
-
-
21
-
-
-55oC TO 125oC
MIN TYP MAX UNITS
150
-
30
-
26
-
150
-
30
-
26
-
-
ns
-
ns
-
ns
-
ns
-
ns
-
ns
4