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參數(shù)資料
| 型號： | SN74CBT3244CDBQR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | CBT/FST/QS/5C/B SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20 |
| 封裝： | PLASTIC, QSOP-20 |
| 文件頁數(shù)： | 1/22頁 |
| 文件大?。?/td> | 802K |
| 代理商： | SN74CBT3244CDBQR |
SN74CBT3244C
8BIT FET BUS SWITCH
5V BUS SWITCH WITH 2V UNDERSHOOT PROTECTION
SCDS130A SEPTEMBER 2003 REVISED OCTOBER 2003
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Undershoot Protection for Off-Isolation on
A and B Ports Up To 2 V
D Bidirectional Data Flow, With Near-Zero
Propagation Delay
D Low ON-State Resistance (ron)
Characteristics (ron = 3 Typical)
D Low Input/Output Capacitance Minimizes
Loading and Signal Distortion
(Cio(OFF) = 5.5 pF Typical)
D Data and Control Inputs Provide
Undershoot Clamp Diodes
D Low Power Consumption
(ICC = 3 A Max)
D VCC Operating Range From 4 V to 5.5 V
D Data I/Os Support 0 to 5-V Signaling Levels
(0.8-V, 1.2-V, 1.5-V, 1.8-V, 2.5-V, 3.3-V, 5-V)
D Control Inputs Can Be Driven by TTL or
5-V/3.3-V CMOS Outputs
D Ioff Supports Partial-Power-Down Mode
Operation
D Latch-Up Performance Exceeds 100 mA Per
JESD 78, Class II
D ESD Performance Tested Per JESD 22
2000-V Human-Body Model
(A114-B, Class II)
1000-V Charged-Device Model (C101)
D Supports Both Digital and Analog
Applications: USB Interface, Memory
Interleaving, Bus Isolation, Low-Distortion
Signal Gating
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
1OE
1A1
2B4
1A2
2B3
1A3
2B2
1A4
2B1
GND
VCC
2OE
1B1
2A4
1B2
2A3
1B3
2A2
1B4
2A1
DB, DBQ, DGV, DW, OR PW PACKAGE
(TOP VIEW)
RGY PACKAGE
(TOP VIEW)
120
10
11
2
3
4
5
6
7
8
9
19
18
17
16
15
14
13
12
2OE
1B1
2A4
1B2
2A3
1B3
2A2
1B4
1A1
2B4
1A2
2B3
1A3
2B2
1A4
2B1
2A1
V
GND
CC
1OE
description/ordering information
The SN74CBT3244C is a high-speed TTL-compatible FET bus switch with low ON-state resistance (ron),
allowing for minimal propagation delay. Active Undershoot-Protection Circuitry on the A and B ports of the
SN74CBT3244C provides protection for undershoot up to 2 V by sensing an undershoot event and ensuring
that the switch remains in the proper OFF state.
The SN74CBT3244C is organized as two 4-bit bus switches with separate output-enable (1OE, 2OE) inputs.
It can be used as two 4-bit bus switches or as one 8-bit bus switch. When OE is low, the associated 4-bit bus
switch is ON, and the A port is connected to the B port, allowing bidirectional data flow between ports. When
OE is high, the associated 4-bit bus switch is OFF, and the high-impedance state exists between the A and B
ports.
Copyright
2003, 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.
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.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN74CBT3244CDBQRE4 | 功能描述:數(shù)字總線開關(guān) IC Octal Bus Trnscvr With 3-State Outputs RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:24 傳播延遲時間:0.25 ns 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:TSSOP-56 封裝:Reel |
| SN74CBT3244CDBQRG4 | 功能描述:數(shù)字總線開關(guān) IC Octal FETBus Switch RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:24 傳播延遲時間:0.25 ns 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:TSSOP-56 封裝:Reel |
| SN74CBT3244CDBR | 功能描述:數(shù)字總線開關(guān) IC Octal FET Bus Switch RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:24 傳播延遲時間:0.25 ns 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:TSSOP-56 封裝:Reel |
| SN74CBT3244CDBRE4 | 功能描述:數(shù)字總線開關(guān) IC Octal Bus Trnscvr With 3-State Outputs RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:24 傳播延遲時間:0.25 ns 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:TSSOP-56 封裝:Reel |
| SN74CBT3244CDBRG4 | 功能描述:數(shù)字總線開關(guān) IC Octal FETBus Switch RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:24 傳播延遲時間:0.25 ns 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:TSSOP-56 封裝:Reel |
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