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参数资料
| 型号： | SN74CB3Q3384DWR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | CB3Q/3VH/3C/2B SERIES, 10-BIT DRIVER, TRUE OUTPUT, PDSO24 |
| 封装： | PLASTIC, SOIC-24 |
| 文件页数： | 3/10页 |
| 文件大小： | 162K |
| 代理商： | SN74CB3Q3384DWR |
SN74CB3Q3384
10BIT SWITCH
2.5V/3.3V LOW VOLTAGE, HIGHBANDWIDTH FET BUS SWITCH
SCDS114A – DECEMBER 2002 – REVISED DECEMBER 2002
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
description/ordering information (continued)
Texas Instruments bus switches provide high-performance, low-power replacements for standard bus-interface
devices when signal buffering (current drive) is not required. The CB3Q family of high-bandwidth bus switches
offers low and flat on-state resistance (ron), 0- to 5-V rail-to-rail switching on the data input/output (I/O) ports,
and low data I/O capacitance (Cio) to minimize capacitive loading and signal distortion on the data bus.
Specifically designed to support high-bandwidth applications, the CB3Q family provides an optimized interface
solution ideally suited for broadband communications, networking, and data-intensive computing systems.
The SN74CB3Q3384 is a 10-bit FET bus switch organized as two 5-bit switches with separate output-enable
(OE) inputs. Each 5-bit switch is enabled when the associated OE input is low, allowing bidirectional data flow
between ports A and B. Each 5-bit switch is disabled when the associated OE input is high, producing a
high-impedance state between ports A and B. The very low ron of the switch allows connections to be made with
minimal propagation delay.
This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry prevents 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.
FUNCTION TABLE
(each 5-bit bus switch)
INPUTS
INPUTS/OUTPUTS
1OE
2OE
1B1–1B5
2B1–2B5
L
1A1–1A5
2A1–2A5
L
H
1A1–1A5
Z
H
LZ
2A1–2A5
H
Z
logic diagram (positive logic)
32
1A1
1B1
11
1A5
1
1OE
10
1B5
14
15
2A1
2B1
22
2A5
13
2OE
23
2B5
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SN74CB3Q3384PW | 制造商:Texas Instruments 功能描述:10-BIT FET BUS SWITCH - Rail/Tube |
| SN74CB3Q3384PWR | 制造商:Texas Instruments 功能描述:10-BIT FET BUS SWITCH - Tape and Reel |
| SN74CB3Q6800DBQR | 功能描述:数字总线开关 IC 10-Bit FET Bus Switch RoHS:否 制造商:Texas Instruments 开关数量:24 传播延迟时间:0.25 ns 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:TSSOP-56 封装:Reel |
| SN74CB3Q6800DGVR | 功能描述:数字总线开关 IC 10-Bit FET Bus Switch RoHS:否 制造商:Texas Instruments 开关数量:24 传播延迟时间:0.25 ns 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:TSSOP-56 封装:Reel |
| SN74CB3Q6800PW | 功能描述:数字总线开关 IC 10-Bit FET Bus Switch RoHS:否 制造商:Texas Instruments 开关数量:24 传播延迟时间:0.25 ns 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:TSSOP-56 封装:Reel |
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