參數(shù)資料
型號(hào): 74HC4060
廠商: NXP Semiconductors N.V.
元件分類: 通用總線功能
英文描述: 14-stage binary ripple counter with oscillator
中文描述: 14級(jí)的振蕩器二進(jìn)制紋波計(jì)數(shù)器
文件頁數(shù): 10/12頁
文件大?。?/td> 90K
代理商: 74HC4060
December 1990
10
Philips Semiconductors
Product specification
14-stage binary ripple counter with oscillator
74HC/HCT4060
Notes
1.
The value of additional quiescent supply current (
I
CC
) for a unit load of 1 is given here.
To determine
I
CC
per input, multiply this value by the unit load coefficient shown in the table below.
Only input MR (pin 12) has TTL input switching levels for the HCT versions.
2.
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; t
r
= t
f
= 6 ns; C
L
= 50 pF
INPUT
UNIT LOAD COEFFICIENT
MR
0.40
SYMBOL PARAMETER
T
amb
(
°
C)
UNIT
TEST CONDITIONS
74HCT
V
CC
(V)
WAVEFORMS
+
25
40 to
+
85
40 to
+
125
min.
typ.
max.
min.
max.
min.
max.
t
PHL
/ t
PLH
propagation delay
RS to Q
3
propagation delay
Q
n
to Q
n
+
1
propagation delay
MR to Q
n
output transition time
33
66
83
99
ns
4.5
Fig.12
t
PHL
/ t
PLH
8
16
20
24
ns
4.5
Fig.14
t
PHL
21
44
55
66
ns
4.5
Fig.13
t
THL
/ t
TLH
7
15
19
22
ns
4.5
Fig.12
t
W
clock pulse width
RS; HIGH or LOW
master reset pulse
width MR; HIGH
removal time
MR to RS
maximum clock pulse
frequency
16
6
20
24
ns
4.5
Fig.12
t
W
16
6
20
24
ns
4.5
Fig.13
t
rem
26
13
33
39
ns
4.5
Fig.13
f
max
30
80
24
20
MHz
4.5
Fig.12
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