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參數(shù)資料
| 型號： | SN74GTLP817DWRE4 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | GTLP-TO-LVTTL 1-TO-6 FANOUT DRIVER |
| 中文描述： | GTLP對LVTTL 1到6扇出驅(qū)動 |
| 文件頁數(shù)： | 1/19頁 |
| 文件大?。?/td> | 279K |
| 代理商： | SN74GTLP817DWRE4 |
www.ti.com
FEATURES
OEC Circuitry Improves Signal Integrity and
Reduces Electromagnetic Interference
Bidirectional Interface Between GTLP Signal
Levels and LVTTL Logic Levels
GTLP-to-LVTTL 1-to-6 Fanout Driver
LVTTL-to-GTLP 1-to-2 Fanout Driver
LVTTL Interfaces Are 5-V Tolerant
Medium-Drive GTLP Outputs (50 mA)
Reduced-Drive LVTTL Outputs
(–12 mA/12 mA)
Variable Edge-Rate Control (ERC) Input
Selects GTLP Rise and Fall Times for Optimal
Data-Transfer Rate and Signal Integrity in
Distributed Loads
I
off
and Power-Up 3-State Support Hot
Insertion
Distributed V
CC
and GND Pins Minimize
High-Speed Switching Noise
Latch-Up Performance Exceeds 100 mA Per
JESD 78, Class II
ESD Protection Exceeds JESD 22
– 2000-V Human-Body Model (A114-A)
– 200-V Machine Model (A115-A)
– 1000-V Charged-Device Model (C101)
DGV, DW, OR PW PACKAGE
(TOP VIEW)
AI
AO1
GNDT
AO2
V
CC
AO3
GNDT
AO4
V
CC
AO5
GNDT
AO6
GNDT
OEAB
BO1
GNDG
V
REF
GNDG
ERC
BO2
GNDG
BI
OEBA
GNDT
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
DESCRIPTION/ORDERING INFORMATION
The SN74GTLP817 is a medium-drive fanout driver that provides LVTTL-to-GTLP and GTLP-to-LVTTL
signal-level translation. The device provides a high-speed interface between cards operating at LVTTL logic
levels and a backplane operating at GTLP signal levels. High-speed (about three times faster than standard TTL
or LVTTL) backplane operation is a direct result of GTLP reduced output swing (<1 V), reduced input threshold
levels, improved differential input, and OEC circuitry. The improved GTLP OEC circuitry minimizes bus settling
time and has been designed and tested using several backplane models. The medium drive allows incident-wave
switching in heavily loaded backplanes with equivalent load impedance down to 19
. BO1 and BO2 can be tied
together to drive an equivalent load impedance down to 11
.
GTLP is the Texas Instruments (TI) derivative of the Gunning Transceiver Logic (GTL) JEDEC standard
JESD 8-3. The ac specification of the SN74GTLP817 is given only at the preferred higher noise-margin GTLP,
but the user has the flexibility of using this device at either GTL (V
TT
= 1.2 V and V
REF
= 0.8 V) or GTLP
(V
TT
= 1.5 V and V
REF
= 1 V) signal levels.
Normally, the B port operates at GTLP signal levels. The A-port and control inputs operate at LVTTL logic levels,
but are 5-V tolerant and are compatible with TTL and 5-V CMOS inputs. V
REF
is the B-port differential input
reference voltage.
SN74GTLP817
GTLP-TO-LVTTL 1-TO-6 FANOUT DRIVER
SCES285E–OCTOBER 1999–REVISED APRIL 2005
GNDT is the TTL output ground, while GNDG is the GTLP output ground, and both may be separated from each
other for a quieter device.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
OEC, TI are trademarks of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright 1999–2005, Texas Instruments Incorporated
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN74GTLP817DWRG4 | 功能描述:特定功能邏輯 GTLP to LVTTL 1 to 6 Fanout Driver RoHS:否 制造商:Texas Instruments 產(chǎn)品: 系列:SN74ABTH18502A 工作電源電壓:5 V 封裝 / 箱體:LQFP-64 封裝:Tube |
| SN74GTLP817PW | 功能描述:轉(zhuǎn)換 - 電壓電平 GTLP-to-LVTTL 1-to-6 Fanout Driver RoHS:否 制造商:Micrel 類型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時間:1.9 ns 電源電流:14 mA 電源電壓-最大:3.6 V 電源電壓-最小:3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MLF-8 |
| SN74GTLP817PWE4 | 功能描述:轉(zhuǎn)換 - 電壓電平 GTLP-to-LVTTL 1-to-6 Fanout Driver RoHS:否 制造商:Micrel 類型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時間:1.9 ns 電源電流:14 mA 電源電壓-最大:3.6 V 電源電壓-最小:3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MLF-8 |
| SN74GTLP817PWG4 | 功能描述:轉(zhuǎn)換 - 電壓電平 GTLP to LVTTL 1 to 6 Fanout Driver RoHS:否 制造商:Micrel 類型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時間:1.9 ns 電源電流:14 mA 電源電壓-最大:3.6 V 電源電壓-最小:3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MLF-8 |
| SN74GTLP817PWR | 功能描述:轉(zhuǎn)換 - 電壓電平 1 to 6 GTLP-LVTTL RoHS:否 制造商:Micrel 類型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時間:1.9 ns 電源電流:14 mA 電源電壓-最大:3.6 V 電源電壓-最小:3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MLF-8 |
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