參數(shù)資料
型號(hào)： SN74GTLPH16912VR
廠商： Texas Instruments, Inc.
元件分類(lèi)： 通用總線功能
英文描述： CAP
中文描述： 18位LVTTL至GTLP通用總線收發(fā)器
文件頁(yè)數(shù)： 1/14頁(yè)
文件大?。?/td> 218K
代理商： SN74GTLPH16912VR
SN74GTLPH16912
18-BIT LVTTL-TO-GTLP UNIVERSAL BUS TRANSCEIVER
SCES288C – OCTOBER 1999 – REVISED JULY 2001
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Member of Texas Instruments’ Widebus
Family
UBT
Transceiver Combines D-Type
Latches and D-Type Flip-Flops for
Operation in Transparent, Latched,
Clocked, and Clock-Enabled Modes
TI-OPC
Circuitry Limits Ringing on
Unevenly Loaded Backplanes
OEC
Circuitry Improves Signal Integrity
and Reduces Electromagnetic Interference
Bidirectional Interface Between GTLP
Signal Levels and LVTTL Logic Levels
LVTTL Interfaces Are 5-V Tolerant
Medium-Drive GTLP Outputs (50 mA)
LVTTL Outputs (–24 mA/24 mA)
GTLP Rise and Fall Times Designed for
Optimal Data-Transfer Rate and Signal
Integrity in Distributed Loads
I
off
, Power-Up 3-State, and BIAS V
CC
Support Live Insertion
Bus Hold on A-Port Data Inputs
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)
description
The SN74GTLPH16912 is a medium-drive, 18-bit UBT
transceiver that provides LVTTL-to-GTLP and
GTLP-to-LVTTL signal-level translation. It allows for transparent, latched, clocked, and clock-enabled modes
of data transfer. 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’s reduced output swing (<1 V), reduced input threshold levels,
improved differential input, OEC
circuitry, and TI-OPC
circuitry. Improved GTLP OEC and TI-OPC circuits
minimize bus-settling time and have 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
.
GTLP is the Texas Instruments (TI
) derivative of the Gunning Transceiver Logic (GTL) JEDEC standard
JESD 8-3. The ac specification of the SN74GTLPH16912 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.
Copyright
2001, Texas Instruments Incorporated
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, TI-OPC, UBT, and Widebus are trademarks of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
DGG OR DGV PACKAGE
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OEAB
LEAB
A1
GND
A2
A3
V
CC
A4
A5
A6
GND
A7
A8
A9
A10
A11
A12
GND
A13
A14
A15
V
CC
A16
A17
GND
A18
OEBA
LEBA
CEAB
CLKAB
B1
GND
B2
B3
BIAS V
CC
B4
B5
B6
GND
B7
B8
B9
B10
B11
B12
GND
B13
B14
B15
V
REF
B16
B17
GND
B18
CLKBA
CEBA
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參數(shù)描述
SN74GTLPH16916GR 功能描述:特定功能邏輯 17-Bit LVTTL-to-GTLP Univ Bus Trnscvr 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
SN74GTLPH16916VR 功能描述:特定功能邏輯 17-Bit LVTTL-to-GTLP Univ Bus Trnscvr 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
SN74GTLPH16927GR 功能描述:特定功能邏輯 18-Bit LVTTL-to-GTLP Bus Trnscvr 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
SN74GTLPH16927KR 功能描述:總線收發(fā)器 18-Bit LVTTL-to-GTLP Bus Trnscvr RoHS:否 制造商:Fairchild Semiconductor 邏輯類(lèi)型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類(lèi)型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時(shí)間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel
SN74GTLPH16927VR 功能描述:特定功能邏輯 18-Bit LVTTL-to-GTLP Bus Trnscvr 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
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