TRX-EYE-MEDIUM TO MAX JITTER Max time between jitte" />
參數(shù)資料
型號(hào): IDT89HPES24NT3ZBBX
廠商: IDT, Integrated Device Technology Inc
文件頁(yè)數(shù): 4/31頁(yè)
文件大?。?/td> 0K
描述: IC PCI SW 24LANE 3PORT 420-SBGA
標(biāo)準(zhǔn)包裝: 40
系列: PRECISE™
類型: PCI Express 開關(guān) - Gen1
應(yīng)用: 服務(wù)器,儲(chǔ)存,通信,嵌入式,消費(fèi)品
安裝類型: 表面貼裝
封裝/外殼: 420-LBGA
供應(yīng)商設(shè)備封裝: 420-SBGA(27x27)
包裝: 托盤
其它名稱: 89HPES24NT3ZBBX
12 of 31
January 5, 2009
IDT 89HPES24NT3 Data Sheet
TRX-EYE-MEDIUM TO
MAX JITTER
Max time between jitter median & max deviation
0.3
UI
TRX-IDLE-DET-DIFF-
ENTER TIME
Unexpected Idle Enter Detect Threshold Integration Time
10
ms
TRX-SKEW
Lane to lane input skew
20
ns
1. Minimum, Typical, and Maximum values meet the requirements under PCI Specification 1.1
Signal
Symbol Reference
Edge
Min Max Unit
Timing
Diagram
Reference
GPIO
GPIO[7:0]1
1. GPIO signals must meet the setup and hold times if they are synchronous or the minimum pulse width if
they are asynchronous.
Tpw_13b2
2. The values for this symbol were determined by calculation, not by testing.
None
50
ns
Table 10 GPIO AC Timing Characteristics
Signal
Symbol
Reference
Edge
Min
Max
Unit
Timing
Diagram
Reference
JTAG
JTAG_TCK
Tper_16a
none
50.0
ns
Thigh_16a,
Tlow_16a
10.0
25.0
ns
JTAG_TMS1,
JTAG_TDI
1. The JTAG specification, IEEE 1149.1, recommends that JTAG_TMS should be held at 1 while the signal applied at JTAG_TRST_N
changes from 0 to 1. Otherwise, a race may occur if JTAG_TRST_N is deasserted (going from low to high) on a rising edge of JTAG_TCK
when JTAG_TMS is low, because the TAP controller might go to either the Run-Test/Idle state or stay in the Test-Logic-Reset state.
Tsu_16b
JTAG_TCK rising
2.4
ns
Thld_16b
1.0
ns
JTAG_TDO
Tdo_16c
JTAG_TCK falling
20
ns
Tdz_16c2
2. The values for this symbol were determined by calculation, not by testing.
—20
ns
JTAG_TRST_N
Tpw_16d2
none
25.0
ns
Table 11 JTAG AC Timing Characteristics
Parameter
Description
Min1
Typical1
Max1
Units
Table 9 PCIe AC Timing Characteristics (Part 2 of 2)
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