參數(shù)資料
型號: 74HCT7046ADB
廠商: NXP SEMICONDUCTORS
元件分類: PLL合成/DDS/VCOs
英文描述: PHASE LOCKED LOOP, PDSO16
封裝: PLASTIC, SSOP-16
文件頁數(shù): 6/38頁
文件大?。?/td> 468K
代理商: 74HCT7046ADB
December 1990
14
Philips Semiconductors
Product specication
Phase-locked-loop with lock detector
74HC/HCT7046A
AC CHARACTERISTICS FOR 74HC
Phase comparator section
GND = 0 V; tr =tf = 6 ns; CL = 50 pF
VCO section
GND = 0 V; tr =tf = 6 ns; CL = 50 pF
SYMBOL PARAMETER
Tamb (°C)
UNIT
TEST CONDITIONS
74HC
VCC
(V)
OTHER
+25
40 to +85 40 to +125
min.
typ.
max.
min. max. min. max.
tPHL/ tPLH propagation delay
SIGIN, COMPIN
to PC1OUT
58
21
17
200
40
34
250
50
43
300
60
51
ns
2.0
4.5
6.0
Fig.14
tPZH/ tPZL
3-state output enable
time SIGIN, COMPIN
to PC2OUT
74
27
22
280
56
48
350
70
60
420
84
71
ns
2.0
4.5
6.0
Fig.15
tPHZ/ tPLZ
3-state output disable
time SIGIN, COMPIN
to PC2OUT
96
35
28
325
65
55
405
81
69
490
98
83
ns
2.0
4.5
6.0
Fig.15
tTHL/ tTLH
output transition time
19
7
6
75
15
13
95
19
16
110
22
19
ns
2.0
4.5
6.0
Fig.14
VI(p-p)
AC coupled input sensitivity
(peak-to-peak value) at
SIGIN or COMPIN
9
11
15
33
mV
2.0
3.0
4.5
6.0
fi = 1 MHz
SYM-
BOL
PARAMETER
Tamb (°C)
UNIT
TEST CONDITIONS
74HC
VCC
(V)
OTHER
+25
40 to +85
40
to
+125
min.
typ.
max.
typ.
max. min. max.
f/T
frequency stability
with temperature
change
0.20
0.15
0.14
%/K
3.0
4.5
6.0
VI =VVCOIN =1/2 VCC ;
R1 = 100 k
; R2 = ∞;
C1 = 100 pF; see Fig.16
fo
VCO centre
frequency
(duty factor = 50%)
7.0
11.0
13.0
10.0
17.0
21.0
MHz
3.0
4.5
6.0
VVCOIN = 1/2 VCC;
R1 = 3 k
; R2 = ∞;
C1 = 40 pF; see Fig.17
f
VCO
frequency
linearity
1.0
0.4
0.3
%
3.0
4.5
6.0
R1 = 100 k
; R2 = ∞;
C1 = 100 pF; see Figs 18
and 19
δVCO
duty factor at
VCOOUT
50
%
3.0
4.5
6.0
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