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參數(shù)資料
| 型號： | SN74CB3Q3384APWE4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | CB3Q/3VH/3C/2B SERIES, 10-BIT DRIVER, TRUE OUTPUT, PDSO24 |
| 封裝： | GREEN, PLASTIC, TSSOP-24 |
| 文件頁數(shù)： | 8/15頁 |
| 文件大?。?/td> | 444K |
| 代理商： | SN74CB3Q3384APWE4 |
www.ti.com
DESCRIPTION/ORDERING INFORMATION (CONTINUED)
1A1
SW
1B1
1A5
1OE
SW
1B5
2A1
SW
2B1
2A5
2OE
SW
2B5
3
11
1
14
22
13
2
10
15
23
SN74CB3Q3384A
10-BIT FET BUS SWITCH
2.5-V/3.3-V LOW-VOLTAGE HIGH-BANDWIDTH BUS SWITCH
SCDS114D – DECEMBER 2002 – REVISED JUNE 2005
The SN74CB3Q3384A is a high-bandwidth FET bus switch utilizing a charge pump to elevate the gate voltage of
the pass transistor, providing a low and flat ON-state resistance (ron). The low and flat ON-state resistance allows
for minimal propagation delay and supports rail-to-rail switching on the data input/output (I/O) ports. The device
also features low data I/O capacitance to minimize capacitive loading and signal distortion on the data bus.
Specifically designed to support high-bandwidth applications, the SN74CB3Q3384A provides an optimized
interface solution ideally suited for broadband communications, networking, and data-intensive computing
systems.
The SN74CB3Q3384A is organized as two 5-bit bus switches with separate output-enable (1OE, 2OE) inputs. It
can be used as two 5-bit bus switches or as one 10-bit bus switch. When OE is low, the associated 5-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 5-bit bus switch is OFF, and a high-impedance state exists between the A and B ports.
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. The device has isolation during power off.
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)
INPUT
INPUT/OUTPUT
FUNCTION
OE
A
L
B
A port = B port
H
Z
Disconnect
LOGIC DIAGRAM (POSITIVE LOGIC)
2
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN74CB3Q3384APWG4 | 功能描述:數(shù)字總線開關(guān) IC 10B 2.5 V 3.3 V LO VLTG FETBus Swtch 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 |
| SN74CB3Q3384APWR | 功能描述:數(shù)字總線開關(guān) IC 10-Bit 2.5-V/3.3-V Lo-V 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 |
| SN74CB3Q3384APWRE4 | 功能描述:數(shù)字總線開關(guān) IC 25-Bit Configurable Registered Buffer 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 |
| SN74CB3Q3384APWRG4 | 功能描述:數(shù)字總線開關(guān) IC 10B 2.5 V 3.3 V LO VLTG FETBus Swtch 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 |
| SN74CB3Q3384DBQR | 制造商:Texas Instruments 功能描述:10-BIT FET BUS SWITCH - Tape and Reel |
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