CD54HC4520 Datasheet, PDF (4/13 Pages) Texas Instruments – High-Speed CMOS Logic Dual Synchronous Counters

CD74HC4518, CD54HC4520, CD74HC4520, CD74HCT4520
DC Electrical Specifications (Continued)
TEST
CONDITIONS
25^oC
-40^oC TO 85^oC
PARAMETER
HCT TYPES
SYMBOL V_I (V) I_O (mA) V_CC (V) MIN TYP MAX MIN MAX
High Level Input
Voltage
V_IH
-
- 4.5 to 5.5 2
-
-
2
-
Low Level Input
Voltage
V_IL
-
- 4.5 to 5.5 -
-
0.8
-
0.8
High Level Output
Voltage
CMOS Loads
V_OH V_IH or V_IL -0.02
4.5
4.4
-
-
4.4
-
High Level Output
Voltage
TTL Loads
-4
4.5
3.98
-
-
3.84
-
Low Level Output
Voltage
CMOS Loads
V_OL V_IH or V_IL 0.02
4.5
-
-
0.1
-
0.1
Low Level Output
Voltage
TTL Loads
4
4.5
-
-
0.26
-
0.33
Input Leakage
Current
I_I
V_CC and
0
GND
5.5
-
-
±0.1
-
±1
Quiescent Device
Current
I_CC
V_CC or
0
GND
5.5
-
-
8
-
80
Additional Quiescent
Device Current Per
Input Pin: 1 Unit Load
∆I_CC
(Note 2)
V_CC
-2.1
- 4.5 to 5.5 -
100 360
-
450
NOTE:
2. For dual-supply systems theoretical worst case (V_I = 2.4V, V_CC = 5.5V) specification is 1.8mA.
-55^oC TO
125^oC
MIN MAX
2
-
-
0.8
4.4
-
3.7
-
-
0.1
-
0.4
-
±1
-
160
-
490
UNITS
V
V
V
V
V
V
µA
µA
µA
HCT Input Loading Table
INPUT
MR
UNIT LOADS
1.2
CP
0.25
ENABLE
0.5
NOTE:
360µA
mUanxitaLto2a5d^{oiCs.∆ICC}
limit
specified
in
DC
Electrical
Table,
e.g.,
Prerequisite for Switching Specifications
PARAMETER
HC TYPES
Maximum Clock
Frequency
CP Pulse Width
MR Pulse Width
SYMBOL
f_MAX
t_W
t_W
V_CC (V)
2
4.5
6
2
4.5
6
2
4.5
6
25^oC
-40^oC TO 85^oC -55^oC TO 125^oC
MIN TYP MAX MIN MAX MIN MAX UNITS
6
-
30
-
35
-
80
-
16
-
14
-
100
-
20
-
17
-
-
5
-
4
-
MHz
-
24
-
20
-
MHz
-
28
-
24
-
MHz
-
100
-
120
-
ns
-
20
-
24
-
ns
-
17
-
20
-
ns
-
125
-
150
-
ns
-
25
-
30
-
ns
-
21
-
26
-
ns
4