557G-05ALF IDT, Integrated Device Technology Inc, 557G-05ALF Datasheet - Page 3
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557G-05ALF
Manufacturer Part Number
557G-05ALF
Description
Manufacturer
IDT, Integrated Device Technology Inc
Type
PLL Clock Synthesizerr
Datasheet
1.557G-05ALF.pdf
(12 pages)
Specifications of 557G-05ALF
Number Of Elements
1
Supply Current
105mA
Pll Input Freq (min)
25MHz
Operating Supply Voltage (typ)
3.3V
Operating Temp Range
0C to 70C
Package Type
TSSOP
Output Frequency Range
Up to 200MHz
Operating Supply Voltage (min)
3.135V
Operating Supply Voltage (max)
3.465V
Operating Temperature Classification
Commercial
Pin Count
20
Lead Free Status / Rohs Status
Compliant
Available stocks
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Part Number
Manufacturer
Quantity
Price
Pin Descriptions
IDT® QUAD DIFFERENTIAL PCI-EXPRESS CLOCK SOURCE
ICS557-05A
QUAD DIFFERENTIAL PCI-EXPRESS CLOCK SOURCE
Pin
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
VDDODA
VDDXD
Name
CLKD
CLKD
CLKC
CLKC
CLKB
CLKB
CLKA
CLKA
GND
IREF
GND
Pin
PD
OE
S0
S1
S2
X1
X2
Output Crystal connection. Connect to a fundamental mode crystal or leave open.
Output Precision resistor attached to this pin is connected to the internal current reference.
Output Selectable 100/200 MHz spread spectrum differential Compliment output clock D.
Output Selectable 100/200 MHz spread spectrum differential True output clock D.
Output Selectable 100/200 MHz spread spectrum differential Compliment output clock C.
Output Selectable 100/200 MHz spread spectrum differential True output clock C.
Output Selectable 100/200 MHz spread spectrum differential Compliment output clock B.
Output Selectable 100/200 MHz spread spectrum differential True output clock B.
Output Selectable 100/200 MHz spread spectrum differential Compliment output clock A.
Output Selectable 100/200 MHz spread spectrum differential True output clock A.
Power
Power
Power
Power
Input
Input
Input
Input
Input
Input
Type
Pin
Connect to +3.3 V digital supply.
Spread spectrum select pin #0. See table above. Internal pull-up resistor.
Spread spectrum select pin #1. See table above Internal pull-up resistor.
Spread spectrum select pin #2. See table above. Internal pull-up resistor.
Crystal connection. Connect to a fundamental mode crystal or clock input.
Powers down all PLL’s and tri-states outputs when low. Internal pull-up resistor.
Provides output on, tri-states output (High = enable outputs; Low = disable outputs).
Internal pull-up resistor.
Connect to digital ground.
Connect to analog ground.
Connect to +3.3 V analog supply.
3
Pin Description
ICS557-05A
PCIE SSCG
REV N 032311