參數(shù)資料
型號: 74HC7046A
廠商: NXP Semiconductors N.V.
英文描述: Phase-locked-loop with lock detector
中文描述: 鎖相回路鎖定探測器
文件頁數(shù): 12/38頁
文件大?。?/td> 490K
代理商: 74HC7046A
December 1990
12
Philips Semiconductors
Product specification
Phase-locked-loop with lock detector
74HC/HCT7046A
VCO section
Voltages are referenced to GND (ground = 0 V)
Note
1.
The parallel value of R1 and R2 should be more than 2.7 k
. Optimum performance is achieved when R1 and/or R2
are/is
>
10 k
.
SYM-
BOL
PARAMETER
T
amb
(
°
C)
UNIT
TEST CONDITIONS
74HC
V
CC
(V)
V
I
OTHER
+
25
40 to
+
85
40 to
+
125
min.
typ.
max.
min.
max.
min.
max.
V
IH
HIGH level
input voltage
INH
LOW level
input voltage
INH
HIGH
level
output voltage
VCO
OUT
HIGH
level
output voltage
VCO
OUT
LOW level
output voltage
VCO
OUT
LOW level
output voltage
VCO
OUT
LOW level output
voltage C1
A,
C1
B
(test purposes only)
2.1
3.15
4.2
1.7
2.4
3.2
1.3
2.1
2.8
3.0
4.5
6.0
2.1
3.15
4.2
2.1
3.15
4.2
V
3.0
4.5
6.0
3.0
4.5
6.0
3.0
4.5
6.0
V
IL
0.9
1.35
1.8
0.9
1.35
1.8
0.9
1.35
1.8
V
V
OH
2.9
4.4
5.9
2.9
4.4
5.9
2.9
4.4
5.9
V
V
IH
or
V
IL
V
IH
or
V
IL
V
IH
or
V
IL
V
IH
or
V
IL
V
IH
or
V
IL
V
CC
or
GND
I
O
= 20
μ
A
I
O
= 20
μ
A
I
O
= 20
μ
A
V
OH
3.98
5.48
4.32
5.81
3.84
5.34
3.7
5.2
V
4.5
6.0
I
O
= 4.0 mA
I
O
= 5.2 mA
V
OL
0
0
0
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
V
3.0
4.5
6.0
I
O
= 20
μ
A
I
O
= 20
μ
A
I
O
= 20
μ
A
V
OL
0.15
0.16
0.26
0.26
0.33
0.33
0.4
0.4
V
4.5
6.0
I
O
= 4.0 mA
I
O
= 5.2 mA
V
OL
0.40
0.40
0.47
0.47
0.54
0.54
V
4.5
6.0
I
O
= 4.0 mA
I
O
= 5.2 mA
±
I
I
input leakage current
INH, VCO
IN
0.1
1.0
1.0
μ
A
6.0
R1
resistor range
3.0
3.0
3.0
3.0
3.0
3.0
40
40
40
300
300
300
300
300
300
k
3.0
4.5
6.0
3.0
4.5
6.0
3.0
4.5
6.0
note 1
R2
resistor range
k
note 1
C1
capacitor range
no
limit
pF
V
VCOIN
operating voltage
range at VCO
IN
1.1
1.1
1.1
1.9
3.4
4.9
V
3.0
4.5
6.0
over the range
specified for R1;
for linearity see
Figs 18 and 19.
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