參數(shù)資料
型號(hào)： SN74LVCH16T245GQLR
廠商： TEXAS INSTRUMENTS INC
元件分類： 總線收發(fā)器
英文描述： LVC/LCX/Z SERIES, DUAL 8-BIT TRANSCEIVER, TRUE OUTPUT, PBGA56
封裝： PLASTIC, VFBGA-56
文件頁(yè)數(shù)： 1/16頁(yè)
文件大?。?/td> 471K
代理商： SN74LVCH16T245GQLR
www.ti.com
FEATURES
DESCRIPTION/ORDERING INFORMATION
DGG OR DGV PACKAGE
(TOP VIEW)
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1DIR
1B1
1B2
GND
1B3
1B4
VCCB
1B5
1B6
GND
1B7
1B8
2B1
2B2
GND
2B3
2B4
VCCB
2B5
2B6
GND
2B7
2B8
2DIR
1OE
1A1
1A2
GND
1A3
1A4
VCCA
1A5
1A6
GND
1A7
1A8
2A1
2A2
GND
2A3
2A4
VCCA
2A5
2A6
GND
2A7
2A8
2OE
SN74LVCH16T245
16-BIT DUAL-SUPPLY BUS TRANSCEIVER
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
SCES635A – JULY 2005 – REVISED AUGUST 2005
Control Inputs VIH/VIL Levels Are Referenced
to VCCA Voltage
VCC Isolation Feature – If Either VCC Input Is at
GND, All Outputs Are in the High-Impedance
State
Overvoltage-Tolerant Inputs/Outputs Allow
Mixed-Voltage-Mode Data Communications
Fully Configurable Dual-Rail Design Allows
Each Port to Operate Over the Full 1.65-V to
5.5-V Power-Supply Range
Bus Hold on Data Inputs Eliminates the Need
for External Pullup/Pulldown Resistors
Ioff Supports Partial-Power-Down Mode
Operation
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)
This 16-bit noninverting bus transceiver uses two
separate configurable power-supply rails. The A port
is designed to track VCCA. VCCA accepts any supply
voltage from 1.65 V to 5.5 V. The B port is designed
to track VCCB. VCCB accepts any supply voltage from
1.65 V to 5.5 V. This allows for universal low-voltage
bidirectional translation between any of the 1.8-V,
2.5-V, 3.3-V, and 5-V voltage nodes.
The SN74LVCH16T245 is designed so that the control pins (1DIR, 2DIR, 1OE, and 2OE) are supplied by VCCA.
The SN74LVCH16T245 is designed for asynchronous communication between two data buses. The logic levels
of the direction-control (DIR) input and the output-enable (OE) input activate either the B-port outputs or the
A-port outputs or place both output ports into the high-impedance mode. The device transmits data from the A
bus to the B bus when the B-port outputs are activated, and from the B bus to the A bus when the A-port outputs
are activated. The input circuitry on both A and B ports is always active and must have a logic HIGH or LOW
level applied to prevent excess ICC and ICCZ.
ORDERING INFORMATION
TA
PACKAGE(1)
ORDERABLE PART NUMBER
TOP-SIDE MARKING
TSSOP – DGG
Tape and reel
SN74LVCH16T245DGGR
LVCH16T245
TVSOP – DGV
Tape and reel
SN74LVCH16T245DGVR
LDHT245
–40
°C to 85°C
VFBGA – GQL
Tape and reel
SN74LVCH16T245GQLR
LDHT245
VFBGA – ZQL (Pb-free)
Tape and reel
SN74LVCH16T245ZQLR
(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.
PRODUCTION DATA information is current as of publication date.
Copyright 2005, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SN74LVCH16T245KR 功能描述:轉(zhuǎn)換 - 電壓電平 SN74LVCH16T245 RoHS:否 制造商:Micrel 類型:CML/LVDS/LVPECL to LVCMOS/LVTTL 傳播延遲時(shí)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
SN74LVCH244ADB 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述:
SN74LVCH244ADBQR 功能描述:緩沖器和線路驅(qū)動(dòng)器 Octal Buffer/Driver W/3-State Output RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel
SN74LVCH244ADBQRE4 功能描述:緩沖器和線路驅(qū)動(dòng)器 Octal Buffer/Driver W/3-State Output RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel
SN74LVCH244ADBQRG4 功能描述:緩沖器和線路驅(qū)動(dòng)器 Octal Buffer/Driver W/3-State Output RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel
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