ICS8531-01 查看數據表（PDF） - Integrated Device Technology
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ICS8531-01 Datasheet PDF : 18 Pages
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ICS8531-01
LOW SKEW, 1-TO-9, DIFFERENTIAL-TO-3.3V LVPECL FANOUT BUFFER
TABLE 1. PIN DESCRIPTIONS
Number
Name
Type
Description
1
VCC
Power
Power supply pin.
2
CLK
Input Pulldown Non-inverting differential clock input.
3
nCLK
Input Pullup Inverting differential clock input.
4
CLK_SEL
Input
Pulldown
Clock Select input. When HIGH, selects PCLK, nPCLK inputs.
When LOW, selects CLK, nCLK. LVTTL / LVCMOS interface levels.
5
PCLK
Input Pulldown Non-inverting differential LVPECL clock input.
6
nPCLK
Input Pullup Inverting differential LVPECL clock input.
7
8
9, 16, 17,
24, 25, 32
VEE
CLK_EN
VCCO
Power
Input
Power
Pullup
Negative supply pin.
Synchronizing clock enable. When HIGH, clock outputs follow clock input.
When LOW, Q outputs are forced low, nQ outputs are forced high.
LVTTL / LVCMOS interface levels.
Output supply pins.
10, 11
nQ8, Q8 Output
Differential output pair. LVPECL interface level.
12, 13
nQ7, Q7 Output
Differential output pair. LVPECL interface level.
14, 15
nQ6, Q6 Output
Differential output pair. LVPECL interface level.
18, 19
nQ5, Q5 Output
Differential output pair. LVPECL interface level.
20, 21
nQ4, Q4 Output
Differential output pair. LVPECL interface level.
22, 23
nQ3 Q3 Output
Differential output pair. LVPECL interface level.
26, 27
nQ2, Q2 Output
Differential output pair. LVPECL interface level.
28, 29
nQ1, Q1 Output
Differential output pair. LVPECL interface level.
30, 31
nQ0, Q0 Output
Differential output pair. LVPECL interface level.
NOTE: Pullup and Pulldown refer to internal input resistors. See Table 2, Pin Characteristics, for typical values.
TABLE 2. PIN CHARACTERISTICS
Symbol
CIN
RPULLUP
RPULLDOWN
Parameter
Input Capacitance
Input Pullup Resistor
Input Pulldown Resistor
Test Conditions
Minimum
Typical
4
51
51
Maximum
Units
pF
kΩ
kΩ
IDT™ / ICS™ 1-TO-9, 3.3V LVPECL FANOUT BUFFER
2
ICS8531AY-01 REV. F APRIL 11, 2007
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