參數(shù)資料
型號: ICS8741004AGLFT
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 13/19頁
文件大小: 0K
描述: IC PCI EXPRSS/JITT ATTEN 24TSSOP
標(biāo)準(zhǔn)包裝: 2,500
系列: HiPerClockS™, FemtoClock™, PCI Express® (PCIe)
類型: 扇出緩沖器(分配),漂移衰減器
PLL:
主要目的: PCI Express(PCIe)
輸入: HCSL,LVDS,LVHSTL,LVPECL,SSTL
輸出: LVDS
電路數(shù): 1
比率 - 輸入:輸出: 1:4
差分 - 輸入:輸出: 是/是
頻率 - 最大: 160MHz
電源電壓: 3.135 V ~ 3.465 V
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 24-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 24-TSSOP
包裝: 帶卷 (TR)
其它名稱: 8741004AGLFT
ICS8741004
DIFFERENTIAL-TO-LVDS/0.7V DIFFERENTIAL PCI EXPRESS JITTER ATTENUATOR
IDT / ICS PCI EXPRESS JITTER ATTENUATOR
3
ICS8741004AG REV. AMAY 29, 2008
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
Number
Name
Type
Description
1, 2
QA1, QA1
Output
Differential output pair. LVDS interface levels.
3, 22
VDDO
Power
Output supply pins.
4, 5
QA0, QA0
Output
Differential output pair. LVDS interface levels.
6
MR
Input
Pulldown
Active High Master Reset. When logic HIGH, the internal dividers are reset
causing the true outputs Q[Ax:Bx] to go LOW and the inverted outputs
Q[Ax:Bx] to go HIGH. When logic LOW, the internal dividers and the outputs
are enabled. LVCMOS/LVTTL interface levels.
7
BW_SEL
Input
Pullup/
Pulldown
PLL Bandwidth input. LVCMOS/LVTTL interface levels. See Table 3B.
8
nc
Unused
No connect.
9VDDA
Power
Analog supply pin.
10
F_SELA
Input
Pulldown
Frequency select pins for QAx/QAx outputs.
LVCMOS/LVTTL interface levels. See Table 3C.
11
VDD
Power
Core supply pin.
12
OEA
Input
Pullup
Output enable for QAx pins. When HIGH, QAx/QAx outputs are enabled.
When LOW, the QAx/QAx outputs are in a high impedance state.
LVCMOS/LVTTL interface levels. See Table 3A.
13
CLK
Input
Pulldown
Non-inverting differential clock input.
14
CLK
Input
Pullup
Inverting differential clock input.
15, 16
GND
Power
Power supply ground.
17
OEB
Input
Pullup
Output enable for QBx pins. When HIGH, QBx/QBx outputs are enabled.
When LOW, the QBx/QBx outputs are in a high impedance state.
LVCMOS/LVTTL interface levels. See Table 3A.
18
F_SELB
Input
Pulldown
Frequency select pins for QBx/QBx outputs.
LVCMOS/LVTTL interface levels. See Table 3C.
19
IREF
Input
A fixed precision resistor (RREF = 475
) from this pin to ground provides a
reference current used for differential current-mode QB0/nQB0 clock outputs.
20, 21
QB0, QB0
Output
Differential output pair. HCSL interface levels.
23, 24
QB1, QB1
Output
Differential output pair. HCSL interface levels.
Symbol
Parameter
Test Conditions
Minimum
Typical
Maximum
Units
CIN
Input Capacitance
4
pF
RPULLUP
Input Pullup Resistor
51
k
RPULLDOWN Input Pulldown Resistor
51
k
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