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): 9/38頁
文件大?。?/td> 468K
代理商: 74HCT7046ADB
December 1990
17
Philips Semiconductors
Product specication
Phase-locked-loop with lock detector
74HC/HCT7046A
DC CHARACTERISTICS FOR 74HCT
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.
SYMBOL
PARAMETER
Tamb (°C)
UNIT
TEST CONDITIONS
74HCT
VCC
(V)
VI
OTHER
+25
40 to +85 40 to +125
min.
typ. max. min. max.
min.
max.
VIH
HIGH level input
voltage
INH
2.0
1.6
2.0
V
4.5
to
5.5
VIL
LOW level input
voltage
INH
1.2
0.8
V
4.5
to
5.5
VOH
HIGH
level output
voltage
VCOOUT
4.4
4.5
4.4
V
4.5
VIH
or
VIL
IO =20 A
VOH
HIGH
level output
voltage
VCOOUT
3.98
4.32
3.84
3.7
V
4.5
VIH
or
VIL
IO = 4.0 mA
VOL
LOW level output
voltage
VCOOUT
0
0.1
V
4.5
VIH
or
VIL
IO =20 A
VOL
LOW level output
voltage
VCOOUT
0.15 0.26
0.33
0.4
V
4.5
VIH
or
VIL
IO = 4.0 mA
VOL
LOW level output
voltage C1A, C1B
(test purposes only)
0.40
0.47
0.54
V
4.5
VIH
or
VIL
IO = 4.0 mA
±I
I
input leakage
current
INH, VCOIN
0.1
1.0
A
5.5
VCC
or
GND
R1
resistor range
3.0
300
k
4.5
note 1
R2
resistor range
3.0
300
k
4.5
note 1
C1
capacitor range
40
no
limit
pF
4.5
VVCOIN
operating voltage
range at VCOIN
1.1
3.4
V
4.5
over the range
specied for
R1;
for linearity see
Figs 18 and 19.
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