參數(shù)資料
型號(hào)： SN74ALVCHR16245DGG
廠(chǎng)商： Texas Instruments, Inc.
英文描述： 16-BIT BUS TRANSCEIVER WITH 3-STATE OUTPUTS
中文描述： 16位總線(xiàn)收發(fā)器和三態(tài)輸出
文件頁(yè)數(shù)： 1/13頁(yè)
文件大小： 296K
代理商： SN74ALVCHR16245DGG
www.ti.com
FEATURES
Member of the Texas Instruments Widebus
Family
Operates From 1.65 V to 3.6 V
Max t
pd
of 4.2 ns at 3.3 V
±
12-mA Output Drive at 3.3 V
All Outputs Have Equivalent 26-
Series
Resistors, So No External Resistors Are
Required
Bus Hold on Data Inputs Eliminates the Need
for External Pullup/Pulldown Resistors
Latch-Up Performance Exceeds 250 mA Per
JESD 17
ESD Protection Exceeds JESD 22
- 2000-V Human-Body Model (A114-A)
- 200-V Machine Model (A115-A)
DESCRIPTION/ORDERING INFORMATION
This 16-bit (dual-octal) noninverting bus transceiver is
designed for 1.65-V to 3.6-V V
CC
operation.
The
SN74ALVCHR16245
asynchronous communication between data buses.
The
control-function
implementation
external timing requirements.
DGG OR DL PACKAGE
(TOP VIEW)
1
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48
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1DIR
1B1
1B2
GND
1B3
1B4
V
CC
1B5
1B6
GND
1B7
1B8
2B1
2B2
GND
2B3
2B4
V
CC
2B5
2B6
GND
2B7
2B8
2DIR
1OE
1A1
1A2
GND
1A3
1A4
V
CC
1A5
1A6
GND
1A7
1A8
2A1
2A2
GND
2A3
2A4
V
CC
2A5
2A6
GND
2A7
2A8
2OE
SN74ALVCHR16245
16-BIT BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
SCES064G–DECEMBER 1995–REVISED OCTOBER 2004
is
designed
for
minimizes
This device can be used as two 8-bit transceivers or
one 16-bit transceiver. It allows data transmission
from the A bus to the B bus or from the B bus to the
A
bus,
depending
on
direction-control (DIR) input. The output-enable (OE)
input can be used to disable the device so that the
buses are effectively isolated.
the
logic
level
at
the
All outputs, which are designed to sink up to 12 mA, include equivalent 26-
series resistors to reduce overshoot
and undershoot.
To ensure the high-impedance state during power up or power down, OE should be tied to V
CC
through a pullup
resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
Active bus-hold circuitry holds unused or undriven inputs at a valid logic state. Use of pullup or pulldown resistors
with the bus-hold circuitry is not recommended.
ORDERING INFORMATION
T
A
PACKAGE
(1)
ORDERABLE PART NUMBER
SN74ALVCHR16245LR
SN74ALVCHR16245GR
SN74ALVCHR16245KR
74ALVCHR16245ZQLR
TOP-SIDE MARKING
ALVCHR16245
ALVCHR16245
SSOP - DL
TSSOP - DGG
VFBGA - GQL
VFBGA - ZQL (Pb-free)
Tape and reel
Tape and reel
-40
°
C to 85
°
C
Tape and reel
VR245
(1)
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at
www.ti.com/sc/package.
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.
Widebus is a trademark 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 1995–2004, Texas Instruments Incorporated
相關(guān)PDF資料
PDF描述
SN74ALVCHR16245DL 16-BIT BUS TRANSCEIVER WITH 3-STATE OUTPUTS
SN74ALVCHR16245KR 16-BIT BUS TRANSCEIVER WITH 3-STATE OUTPUTS
SN74ALVCHR162601DGG 18-BIT UNIVERSAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS
SN74ALVCHR162601DGV 18-BIT UNIVERSAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SN74ALVCHR16245GR 功能描述:總線(xiàn)收發(fā)器 Tri-State 16-Bit Bus 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
SN74ALVCHR16245KR 功能描述:總線(xiàn)收發(fā)器 Low-Voltage Octal FET Bus Switch 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
SN74ALVCHR16245LR 功能描述:總線(xiàn)收發(fā)器 Tri-State 16-Bit Bus 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
SN74ALVCHR162601DL 功能描述:通用總線(xiàn)函數(shù) 18bit Univ Bus RoHS:否 制造商:Texas Instruments 邏輯類(lèi)型:CMOS 邏輯系列:74VMEH 電路數(shù)量:1 開(kāi)啟電阻（最大值）: 傳播延遲時(shí)間:10.1 ns 電源電壓-最大:3.45 V 電源電壓-最小:3.15 V 最大工作溫度:+ 85 C 最小工作溫度:0 C 封裝 / 箱體:TSSOP-48 封裝:Reel
SN74ALVCHR16269AGR 功能描述:通用總線(xiàn)函數(shù) 12-24 Reg Bus RoHS:否 制造商:Texas Instruments 邏輯類(lèi)型:CMOS 邏輯系列:74VMEH 電路數(shù)量:1 開(kāi)啟電阻（最大值）: 傳播延遲時(shí)間:10.1 ns 電源電壓-最大:3.45 V 電源電壓-最小:3.15 V 最大工作溫度:+ 85 C 最小工作溫度:0 C 封裝 / 箱體:TSSOP-48 封裝:Reel
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