74lv4020 NXP Semiconductors, 74lv4020 Datasheet - Page 11

• Manufacturer Part Number: 74lv4020
• Description: 74lv4020 14-stage Binary Ripple Counter
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Table 8:
Voltages are referenced to GND (ground = 0 V); C
[1]
[2]
74LV4020_1
Product data sheet
Symbol Parameter
t
t
f
W
rec
max
Typical values are measured at nominal V
C
P
f
f
C
V
N = number of inputs switching;
i
o
(C
D
CC
PD
= input frequency in MHz;
L
= output frequency in MHz;
= output load capacitance in pF;
= C
L
is used to determine the dynamic power dissipation (P
= supply voltage in V;
pulse width
recovery time
maximum input clock frequency
PD
V
Dynamic characteristics
CC
CP (HIGH and LOW)
MR (HIGH)
MR to CP
2
V
CC
f
o
2
) = sum of the outputs.
f
i
N + (C
L
V
CC
2
…continued
f
CC
o
) where:
and T
Conditions
see
see
see
see
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
Rev. 01 — 29 November 2005
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
amb
Figure 7
Figure 8
Figure 8
Figure 7
L
= 50 pF; for test circuit see
= 2.0 V
= 2.7 V
= 3.0 V to 3.6 V
= 4.5 V to 5.5 V
= 2.0 V
= 2.7 V
= 3.0 V to 3.6 V
= 4.5 V to 5.5 V
= 1.2 V
= 2.0 V
= 2.7 V
= 3.0 V to 3.6 V
= 4.5 V to 5.5 V
= 2.0 V
= 2.7 V
= 3.0 V to 3.6 V
= 4.5 V to 5.5 V
= 25 C.
D
in W).
Figure
9.
14-stage binary ripple counter
Min
41
30
24
18
41
30
24
18
-
26
19
15
12
12
16
20
30
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Typ
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
74LV4020
Max
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz
MHz
MHz
MHz
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