ICS85314AM-01T View Datasheet(PDF) - Integrated Circuit Systems
Part Name
Description
MFG CO.
ICS85314AM-01T
Integrated Circuit Systems
'ICS85314AM-01T' PDF : 15 Pages View PDF
Integrated
Circuit
Systems, Inc.
PRELIMINARY
ICS85314-01
LOW SKEW, 1-TO-5
DIFFERENTIAL-TO-2.5V/3.3V LVPECL FANOUT BUFFER
TABLE 1. PIN DESCRIPTIONS
Number
Name
Type
Description
1, 2
Q0, nQ0
Output
Differential output pair. LVPECL interface levels.
3, 4
Q1, nQ1 Output
Differential output pair. LVPECL interface levels.
5, 6
Q2, nQ2
Output
Differential output pair. LVPECL interface levels.
7, 8
Q3, nQ3
Output
Differential output pair. LVPECL interface levels.
9, 10
Q4, nQ4
Output
Differential output pair. LVPECL interface levels.
11
VEE
Power
Negative supply pin.
Clock select input. When HIGH, selects SCLK input.
12
CLK_SEL
Input Pulldown When LOW, selects CLK, nCLK inputs.
LVTTL / LVCMOS interface levels.
13, 17
nc
Unused
No connect.
14
nCLK0
Input
Pullup Inverting differential clock input.
15
CLK0
Input Pulldown Non-inverting differential clock input.
16
CLK1
Input Pulldown Clock input. LVTTL / LVCMOS interface levels.
18, 20
VCC
Power
Positive supply pins.
Synchronizing clock enable. When LOW, clock outputs follow clock
19
nCLK_EN
Input Pulldown input. When HIGH, Q outputs are forced low, nQ 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
RPULLUP
RPULLDOWN
Parameter
Input Capacitance
Input Pullup Resistor
Input Pulldown Resistor
Test Conditions
Minimum
Typical
51
51
Maximum
4
Units
pF
KΩ
KΩ
85314AG-01
www.icst.com/products/hiperclocks.html
2
REV. B JUNE 21, 2002
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