74HC7046ADB 데이터 시트보기 (PDF) - Philips Electronics
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74HC7046ADB Datasheet PDF : 38 Pages
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Philips Semiconductors
Phase-locked-loop with lock detector
Product specification
74HC/HCT7046A
AC CHARACTERISTICS FOR 74HC
Phase comparator section
GND = 0 V; tr = tf = 6 ns; CL = 50 pF
Tamb (°C)
TEST CONDITIONS
SYMBOL PARAMETER
74HC
+25
UNIT
−40 to +85 −40 to +125
VCC
(V)
min. typ. max. min. max. min. max.
OTHER
tPHL/ tPLH
tPZH/ tPZL
tPHZ/ tPLZ
tTHL/ tTLH
propagation delay
SIGIN, COMPIN
to PC1OUT
3-state output enable
time SIGIN, COMPIN
to PC2OUT
3-state output disable
time SIGIN, COMPIN
to PC2OUT
output transition time
58 200
21 40
17 34
250
300 ns 2.0 Fig.14
50
60
4.5
43
51
6.0
74 280
27 56
22 48
350
420 ns 2.0 Fig.15
70
84
4.5
60
71
6.0
96 325
35 65
28 55
405
490 ns 2.0 Fig.15
81
98
4.5
69
83
6.0
19 75
7 15
6 13
95
110 ns 2.0 Fig.14
19
22
4.5
16
19
6.0
VI(p-p)
AC coupled input sensitivity
9
(peak-to-peak value) at
11
SIGIN or COMPIN
15
33
mV 2.0
3.0
4.5
6.0
fi = 1 MHz
VCO section
GND = 0 V; tr = tf = 6 ns; CL = 50 pF
Tamb (°C)
TEST CONDITIONS
SYM-
BOL
PARAMETER
74HC
+25
−40 to +85
−40
UNIT VCC
to +125
(V)
OTHER
min. typ. max. typ. max. min. max.
∆f/T frequency stability
0.20
with temperature
0.15
change
0.14
fo
VCO centre
7.0 10.0
frequency
11.0 17.0
(duty factor = 50%) 13.0 21.0
∆fVCO VCO frequency
1.0
linearity
0.4
0.3
δVCO duty factor at
50
VCOOUT
50
50
%/K 3.0 VI = VVCOIN =1/2 VCC ;
4.5 R1 = 100 kΩ; R2 = ∞;
6.0 C1 = 100 pF; see Fig.16
MHz 3.0 VVCOIN = 1/2 VCC;
4.5 R1 = 3 kΩ; R2 = ∞;
6.0 C1 = 40 pF; see Fig.17
% 3.0 R1 = 100 kΩ; R2 = ∞;
4.5 C1 = 100 pF; see Figs 18
6.0 and 19
% 3.0
4.5
6.0
December 1990
14
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