85304-01 Просмотр технического описания (PDF) - Integrated Device Technology
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85304-01 Datasheet PDF : 15 Pages
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85304-01 Data Sheet
Table 1. Pin Descriptions
Number
1, 2
3, 4
5, 6
7, 8
9, 10
11, 18, 20
12
13
14
15
16
17
19
Name
Q0, nQ0
Q1, nQ1
Q2, nQ2
Q3, nQ3
Q4, nQ4
VCC
CLK_SEL
CLK0
nCLK0
VEE
CLK1
nCLK1
CLK_EN
Type
Output
Output
Output
Output
Output
Power
Input
Pulldown
Input
Input
Power
Input
Input
Pulldown
Pullup
Pulldown
Pullup
Input
Pullup
Description
Differential output pair. LVPECL interface levels.
Differential output pair. LVPECL interface levels.
Differential output pair. LVPECL interface levels.
Differential output pair. LVPECL interface levels.
Differential output pair. LVPECL interface levels.
Power supply pins.
Clock select input. When HIGH, selects CLK1, nCLK1 inputs. When LOW,
selects CLK0, nCLK0 inputs. LVTTL/LVCMOS interface levels.
Non-inverting differential clock input.
Inverting differential clock input.
Negative supply pin.
Non-inverting differential clock input.
Inverting differential clock input.
Synchronizing clock enable. When HIGH, clock outputs follow clock input.
When LOW, Qx outputs are forced LOW, nQx outputs are forced HIGH.
LVTTL/LVCMOS interface levels.
NOTE: Pullup and Pulldown refer to internal input resistors. See Table 2, Pin Characteristics, for typical values.
Table 2. Pin Characteristics
Symbol
CIN
RPULLDOWN
RPULLUP
Parameter
Input Capacitance
Input Pulldown Resistor
Input Pullup Resistor
Test Conditions
Minimum
Typical
4
51
51
Maximum
Units
pF
k
k
©2015 Integrated Device Technology, Inc
2
Revision E December 2, 2015
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