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843N252-45 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - NG Crystal-to-3.3V LVPECL Frequency Synthesizer - IDT

भाग संख्या 843N252-45
समारोह NG Crystal-to-3.3V LVPECL Frequency Synthesizer
मैन्युफैक्चरर्स IDT 
लोगो IDT लोगो 
पूर्व दर्शन
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843N252-45 pdf
843N252-45 Data Sheet
Table 1. Pin Descriptions
Number
1
2, 9, 15
3
4
5, 6
7
8, 12
10
11
13, 14
16
Name
CLK_ENA
VEE
QA
VCCOA
nc
VCCA
VCC
XTAL_OUT
XTAL_IN
nQB, QB
CLK_ENB
Type
Input
Pullup
Power
Output
Power
Unused
Power
Power
Input
Output
Input
Pullup
Description
Clock enable pin. LVCMOS/LVTTL interface levels. See Table 3A.
Negative supply pins.
Single-ended clock output. LVCMOS/LVTTL interface levels.
Output supply pin for QA output.
No connect.
Analog supply pin.
Power supply pin.
Crystal oscillator interface XTAL_IN is the input, XTAL_OUT is the output.
Differential output pair. LVPECL interface levels.
Clock enable pin. LVCMOS/LVTTL interface levels. See Table 3B.
NOTE: Pullup refers to internal input resistors. See Table 2, Pin Characteristics, for typical values.
Table 2. Pin Characteristics
Symbol
CIN
CPD
RPULLUP
ROUT
Parameter
Input Capacitance
Power Dissipation Capacitance
Input Pullup Resistor
Output Impedance QA
Test Conditions
VCC = VCCO_A = 3.465V
VCCO_A = 3.465V
Minimum
Typical
4
7
51
15
Maximum
Units
pF
pF
k
Function Tables
Table 3A. CLK_ENA Function Table
Input
Outputs
CLK_ENA
QA
0 High-Impedance
1 Active
Table 3B. CLK_ENB Function Table
Input
Outputs
CLK_ENB
QB
nQB
0
HIGH
LOW
1
Active
Active
©2016 Integrated Device Technology, Inc
2
Revision A April 20, 2016

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843N252-45NG Crystal-to-3.3V LVPECL Frequency SynthesizerIDT
IDT


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