8545BGILFT IDT, Integrated Device Technology Inc, 8545BGILFT Datasheet - Page 2

• Manufacturer Part Number: 8545BGILFT
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Clock Driverr

Specifications of 8545BGILFT

• Number Of Clock Inputs: 2
• Mode Of Operation: Single-Ended
• Output Frequency: 650MHz
• Output Logic Level: LVDS
• Operating Supply Voltage (min): 3.135V
• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (max): 3.465V
• Package Type: TSSOP
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Signal Type: LVCMOS/LVTTL
• Mounting: Surface Mount
• Pin Count: 20
• Lead Free Status / RoHS Status: Compliant

Table 1. Pin Descriptions
NOTE: Pullup and Pulldown refer to internal input resistors. See Table 2, Pin Characteristics, for typical values.
Table 2. Pin Characteristics
IDT™ / ICS™ LVDS FANOUT BUFFER
Symbol
C
R
R
ICS8545I
LOW SKEW, 1-TO-4, LVCMOS/LVTTL-TO-LVDS FANOUT BUFFER
IN
PULLUP
PULLDOWN
Number
1, 9, 13
10, 18
11, 12
14, 15
16, 17
19, 20
5, 7
2
3
4
6
8
Parameter
Input Capacitance
Input Pullup Resistor
Input Pulldown Resistor
CLK_SEL
CLK_EN
Q3, Q3
Q2, Q2
Q1, Q1
Q0, Q0
Name
CLK1
CLK2
GND
V
OE
nc
DD
Unused
Output
Output
Output
Output
Power
Power
Input
Input
Input
Input
Input
Type
Pulldown
Pulldown
Pulldown
Pullup
Pullup
Test Conditions
Description
Power supply ground.
Synchronizing clock enable. When HIGH, clock outputs follows clock input.
When LOW, Q outputs are forced low, Q outputs are forced high.
LVCMOS / LVTTL interface levels.
Clock select input. When HIGH, selects CLK2 input.
When LOW, selects CLK1 input. LVCMOS / LVTTL interface levels.
Single-ended clock input. LVCMOS/LVTTL interface levels.
No connect.
Single-ended clock input. LVCMOS/LVTTL interface levels.
Output enable. Controls enabling and disabling of outputs Q0/Q0 through
Q3/Q3. LVCMOS/LVTTL interface levels.
Positive supply pins.
Differential output pair. LVDS interface levels.
Differential output pair. LVDS interface levels.
Differential output pair. LVDS interface levels.
Differential output pair. LVDS interface levels.
2
Minimum
Typical
ICS8545BGI REV. B MARCH 02, 2009
51
51
4
Maximum
Units
k
k
pF
Ω
Ω