參數(shù)資料
型號: 74HC4046AD/T3
廠商: NXP SEMICONDUCTORS
元件分類: PLL合成/DDS/VCOs
英文描述: PLL FREQUENCY SYNTHESIZER, PDSO16
封裝: SOT-109, SOP-16
文件頁數(shù): 9/34頁
文件大?。?/td> 442K
代理商: 74HC4046AD/T3
1997 Nov 25
17
Philips Semiconductors
Product specication
Phase-locked-loop with VCO
74HC/HCT4046A
DC CHARACTERISTICS FOR 74HCT
Demodulator section
Voltages are referenced to GND (ground = 0 V)
AC CHARACTERISTICS FOR 74HCT
Phase comparator section
GND = 0 V; tr =tf = 6 ns; CL = 50 pF
SYMBOL
PARAMETER
Tamb (°C)
UNIT
TEST CONDITIONS
74HCT
VCC
(V)
OTHER
+25
40 to +85 40 to +125
min. typ. max. min. max.
min.
max.
RS
resistor range
50
300
k
4.5
at RS > 300 k
the leakage current can
inuence VDEMOUT
VOFF
offset voltage
VCOIN to
VDEMOUT
±20
mV
4.5
VI =VVCOIN = 1/2 VCC;
values taken over
RS range; see Fig.15
RD
dynamic output
resistance at
DEMOUT
25
4.5
VDEMOUT = 1/2 VCC
SYMBOL
PARAMETER
Tamb (°C)
UNIT
TEST CONDITIONS
74HCT
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
23
40
50
60
ns
4.5
Fig.16
tPHL/
tPLH
propagation delay
SIGIN, COMPIN
to PCPOUT
35
68
85
102
ns
4.5
Fig.16
tPHL/
tPLH
propagation delay
SIGIN, COMPIN
to PC3OUT
28
54
68
81
ns
4.5
Fig.16
tPZH/
tPZL
3-state output enable
time SIGIN, COMPIN
to PC2OUT
30
56
70
84
ns
4.5
Fig.17
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