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參數資料
| 型號： | SN74LVCH32244AGKER |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 總線收發器 |
| 英文描述： | LVC/LCX/Z SERIES, OCTAL 4-BIT DRIVER, TRUE OUTPUT, PBGA96 |
| 封裝： | PLASTIC, LFBGA-96 |
| 文件頁數： | 1/13頁 |
| 文件大小： | 413K |
| 代理商： | SN74LVCH32244AGKER |
www.ti.com
FEATURES
DESCRIPTION/ORDERING INFORMATION
SN74LVCH32244A
32-BIT BUFFER/DRIVER
WITH 3-STATE OUTPUTS
SCAS617E – OCTOBER 1998 – REVISED MARCH 2005
Supports Mixed-Mode Signal Operation on
All Ports (5-V Input/Output Voltage With
Member of the Texas Instruments Widebus+
3.3-V VCC)
Family
Bus Hold on Data Inputs Eliminates the Need
Operates From 1.65 V to 3.6 V
for External Pullup/Pulldown Resistors
Inputs Accept Voltages to 5.5 V
Latch-Up Performance Exceeds 100 mA Per
Max tpd of 4.1 ns at 3.3 V
JESD 78, Class II
Typical VOLP (Output Ground Bounce)
ESD Protection Exceeds JESD 22
<0.8 V at VCC = 3.3 V, TA = 25°C
– 2000-V Human-Body Model (A114-A)
Typical VOHV (Output VOH Undershoot)
– 200-V Machine Model (A115-A)
>2 V at VCC = 3.3 V, TA = 25°C
– 1000-V Charged-Device Model (C101)
Ioff Supports Partial-Power-Down Mode
Operation
This 32-bit buffer/driver is designed for 1.65-V to 3.6-V VCC operation.
The SN74LVCH32244A is designed specifically to improve the performance and density of 3-state memory
address drivers, clock drivers, and bus-oriented receivers and transmitters.
The device can be used as eight 4-bit buffers, four 8-bit buffers, two 16-bit buffers, or one 32-bit buffer. It
provides true outputs and symmetrical active-low output-enable (OE) inputs.
Inputs can be driven from either 3.3-V or 5-V devices. This feature allows the use of these devices as translators
in a mixed 3.3-V/5-V system environment.
This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs,
preventing damaging current backflow through the device when it is powered down.
To ensure the high-impedance state during power up or power down, OE should be tied to VCC 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
TA
PACKAGE(1)
ORDERABLE PART NUMBER
TOP-SIDE MARKING
LFBGA – GKE
SN74LVCH32244AGKER
–40
°C to 85°C
Tape and reel
CH244A
LFBGA – ZKE (Pb-free)
SN74LVCH32244AZKER
(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.
Copyright 1998–2005, 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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相關代理商/技術參數 |
參數描述 |
|---|---|
| SN74LVCH32244AZKER | 功能描述:緩沖器和線路驅動器 32-Bit Buffer/Driver With 3-State Outputs RoHS:否 制造商:Micrel 輸入線路數量:1 輸出線路數量: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 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| SN74LVCH32245AGKER | 功能描述:總線收發器 32bit RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型: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 |
| SN74LVCH32245AZKER | 功能描述:總線收發器 32-Bit Bus Trnscvr W/3-State Output RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型: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 |
| SN74LVCH32373AGKER | 功能描述:閉鎖 32bit Transparent RoHS:否 制造商:Micrel 電路數量:1 邏輯類型:CMOS 邏輯系列:TTL 極性:Non-Inverting 輸出線路數量:9 高電平輸出電流: 低電平輸出電流: 傳播延遲時間: 電源電壓-最大:12 V 電源電壓-最小:5 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:SOIC-16 封裝:Reel |
| SN74LVCH32373AZKER | 功能描述:閉鎖 32B Transp DType Latch RoHS:否 制造商:Micrel 電路數量:1 邏輯類型:CMOS 邏輯系列:TTL 極性:Non-Inverting 輸出線路數量:9 高電平輸出電流: 低電平輸出電流: 傳播延遲時間: 電源電壓-最大:12 V 電源電壓-最小:5 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:SOIC-16 封裝:Reel |
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