CD74HC123 Datasheet, PDF (4/8 Pages) Texas Instruments – High Speed CMOS Logic Dual Retriggerable Monostable Multivibrators with Resets

CD74HC123, CD74HCT123, CD74HC423, CD74HCT423
DC Electrical Specifications (Continued)
PARAMETER
HCT TYPES
SYMBOL
TEST
CONDITIONS
V_I (V) I_O (mA)
V_CC
(V)
25^oC
-40^oC TO 85^oC -55^oC TO 125^oC
MIN TYP MAX MIN MAX MIN MAX UNITS
High Level Input
Voltage
V_IH
-
-
4.5 to
2
-
-
2
-
2
-
V
5.5
Low Level Input
Voltage
V_IL
-
-
4.5 to
-
-
0.8
-
0.8
-
0.8
V
5.5
High Level Output
V_OH V_IH or V_IL -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
V_OL V_IH or V_IL 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
I_I
V_CC and
0
GND
5.5
-
±0.1
-
±1
-
±1
µA
Quiescent Device
Current
I_CC
V_CC or
0
GND
5.5
-
-
8
-
80
-
160
µA
Additional Quiescent
Device Current Per
Input Pin: 1 Unit Load
∆I_CC
V_CC
-2.1
-
4.5 to
-
100 360
-
450
-
490
µA
5.5
NOTE: For dual-supply systems theoretical worst case (V_I = 2.4V, V_CC = 5.5V) specification is 1.8mA.
HCT Input Loading Table
INPUT
UNIT LOADS
All
0.35
NOTE: Unit Load is ∆I_CC limit specified in DC Electrical Table, e.g.
360µA max at 25^oC.
Prerequisite for Switching Specifications
25^oC
-40^oC TO 85^oC
-55^oC TO 125^oC
PARAMETER
HC TYPES
Minimum Input,
Pulse Width
A
SYMBOL V_CC (V) MIN TYP MAX MIN TYP MAX MIN TYP MAX UNITS
t_WL
2
100
-
-
125
-
-
150
-
-
ns
4.5
20
-
-
25
-
-
30
-
-
ns
6
17
-
-
21
-
-
26
-
-
ns
B
t_WH
2
100
-
-
125
-
-
150
-
-
ns
4.5
20
-
-
25
-
-
30
-
-
ns
6
17
-
-
21
-
-
26
-
-
ns
4