Datasheet

MOTOROLA CMOS LOGIC DATAMC14024B
102
SWITCHING CHARACTERISTICS* (C
L
= 50 pF, T
A
= 25 C)
Characteristic Symbol V
DD
Min Typ # Max Unit
Output Rise and Fall Time
t
TLH
, t
THL
= (1.5 ns/pF) C
L
+ 25 ns
t
TLH
, t
THL
= (0.75 ns/pF) C
L
+ 12.5 ns
t
TLH
, t
THL
= (0.55 ns/pF) C
L
+ 9.5 ns
t
TLH
,
t
THL
5.0
10
15
—
—
—
100
50
40
200
100
80
ns
Propagation Delay Time
Clock to Q1
t
PLH
, t
PHL
= (1.7 ns/pF) C
L
+ 295 ns
t
PLH
, t
PHL
= (0.66 ns/pF) C
L
+ 117 ns
t
PLH
, t
PHL
= (0.5 ns/pF) C
L
+ 85 ns
Clock to Q7
t
PLH
, t
PHL
= (1.7 ns/pF) C
L
+ 915 ns
t
PLH
, t
PHL
= (0.66 ns/pF) C
L
+ 367 ns
t
PLH
, t
PHL
= (0.5 ns/pF) C
L
+ 275 ns
Reset to Q
n
t
PLH
, t
PHL
= (1.7 ns/pF) C
L
+ 415 ns
t
PLH
, t
PHL
= (0.66 ns/pF) C
L
+ 217 ns
t
PLH
, t
PHL
= (0.5 ns/pF) C
L
+ 155 ns
t
PLH
,
t
PHL
5.0
10
15
5.0
10
15
5.0
10
15
—
—
—
—
—
—
—
—
—
380
150
110
1000
400
300
500
250
180
600
230
175
2000
750
565
800
400
300
ns
Clock Pulse Width t
WH
5.0
10
15
500
165
125
200
60
40
—
—
—
ns
Reset Pulse Width t
WH
5.0
10
15
600
350
260
375
200
150
—
—
—
ns
Reset Removal Time t
rem
5.0
10
15
625
190
145
250
75
50
—
—
—
ns
Clock Input Rise and Fall Time t
TLH
, t
THL
5.0
10
15
—
—
—
—
—
—
1.0
8.0
200
s
ms
µs
Input Pulse Frequency f
cl
5.0
10
15
—
—
—
2.5
8.0
12
1.0
3.0
4.0
MHz
* The formulas given are for the typical characteristics only at 25 C.
#Data labelled “Typ” is not to be used for design purposes but is intended as an indication of the IC’s potential performance.
TRUTH TABLE
Clock Reset State
0 0 No Change
0 1 All Outputs Low
1 0 No Change
1 1 All Outputs Low
0 No Change
1 All Outputs Low
0 Advance One Count
1 All Outputs Low