ICS85310I-01 Datasheet, PDF (2/15 Pages) Integrated Circuit Systems – LOW SKEW, 1-TO-10 DIFFERENTIAL-TO-2.5V/3.3V ECL/LVPECL FANOUT BUFFER

Integrated
Circuit
Systems, Inc.
ICS85310I-01
LOW SKEW, 1-TO-10
DIFFERENTIAL-TO-2.5V/3.3V ECL/LVPECL FANOUT BUFFER
TABLE 1. PIN DESCRIPTIONS
Number
Name
Type
Description
1
V_CC
Power
Positive supply pin.
2
CLK_SEL
Input
Pulldown
Clock select input. When HIGH, selects CLK1, nCLK1 inputs. When LOW,
selects CLK0, nCLK0 inputs. LVCMOS / LVTTL interface levels.
3
CLK0
Input Pulldown Non-inverting differential clock input.
4
nCLK0 Input Pullup Inverting differential clock input.
5
nc
Unused
No connect.
6
CLK1 Input Pulldown Non-inverting differential clock input.
7
nCLK1 Input Pullup Inverting differential clock input.
8
9, 16, 25, 32
10, 11
V_EE
V
CCO
nQ9, Q9
Power
Power
Output
Negative supply pin.
Output supply pins.
Differential output pair. LVPECL interface levels.
12, 13
nQ8, Q8 Output
Differential output pair. LVPECL interface levels.
14, 15
nQ7, Q7 Output
Differential output pair. LVPECL interface levels.
17, 18
nQ6, Q6 Output
Differential output pair. LVPECL interface levels.
19, 20
nQ5, Q5 Output
Differential output pair. LVPECL interface levels.
21, 22
nQ4, Q4 Output
Differential output pair. LVPECL interface levels.
23, 24
nQ3, Q3 Output
Differential output pair. LVPECL interface levels.
26, 27
nQ2, Q2 Output
Differential output pair. LVPECL interface levels.
28, 29
nQ1, Q1 Output
Differential output pair. LVPECL interface levels.
30, 31
nQ0, Q0 Output
Differential output pair. LVPECL interface levels.
NOTE: Pullup and Pulldown refer to internal input resistors. See Table 2, Pin Characteristics, for typical values.
TABLE 2. PIN CHARACTERISTICS
Symbol
C_IN
R_PULLUP
R_PULLDOWN
Parameter
Input Capacitance
Input Pullup Resistor
Input Pulldown Resistor
Test Conditions
Minimum
Typical
4
51
51
Maximum
Units
pF
kΩ
kΩ
85310AYI-01
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2
REV. F JANUARY16, 2006