参数资料
型号: 557G-08
厂商: INTEGRATED DEVICE TECHNOLOGY INC
元件分类: 时钟及定时
英文描述: 557 SERIES, LOW SKEW CLOCK DRIVER, 1 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO16
封装: 0.173 INCH, TSSOP-16
文件页数: 5/12页
文件大小: 256K
代理商: 557G-08
ICS557-08
2:1 MULTIPLEXER CHIP FOR PCI-EXPRESS
PCIE MULTIPLEXER
IDT / ICS 2:1 MULTIPLEXER CHIP FOR PCI-EXPRESS
2
ICS557-08
REV H 051310
Pin Assignment
Select Table
Pin Descriptions
1
2
3
IN2
4
IN1
5
6
GND
7
8
GND
VDD
SEL
IN2
IN1
16
PD
GND
CLK
VDD
15
14
13
12
11
10
9
16-pin (173 mil) TSSOP
OE
VDD
IREF
CLK
SEL
Input Pair Selected
0IN2/ IN2
1IN1/ IN1
Pin
Pin Name
Pin Type
Pin Description
1
VDD
Power
Connect to +3.3 V. Supply voltage for Input clocks.
2
IN1
Input
HCSL/LVDS true input signal 1.
3
IN1
Input
HCSL/LVDS complimentary input signal 1.
4
PD
Input
Powers down the chip and tri-states outputs when low. Internal pull-up
5
IN2
Input
HCSL/LVDS true input signal 2.
6
IN2
Input
HCSL/LVDS complimentary input signal 2.
7
OE
Input
Provides output or, tri-states output (High = enable outputs; Low = disable).
Internal pull-up resistor.
8
GND
Power
Connect to ground.
9
IREF
Output
Precision resistor attached to this pin is connected to the internal current
10
VDD
Power
Connect to +3.3 V. Supply Voltage for Output Clocks.
11
VDD
Power
Connect to +3.3 V. Supply Voltage for Output Clocks.
12
GND
Power
Connect to ground.
13
GND
Power
Connect to ground.
14
CLK
Output
HCSL/LVDS Complimentary output clock .
15
CLK
Output
HCSL/LVDS True output clock.
16
SEL
Input
SEL=1 selects IN1/IN1. SEL =0 selects IN2/ IN2. Internal pull-up resistor.
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