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參數(shù)資料
| 型號： | SN74CB3Q3245PWG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | CB3Q/3VH/3C/2B SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20 |
| 封裝： | GREEN, PLASTIC, TSSOP-20 |
| 文件頁數(shù)： | 12/21頁 |
| 文件大?。?/td> | 788K |
| 代理商： | SN74CB3Q3245PWG4 |
www.ti.com
DESCRIPTION/ORDERING INFORMATION (CONTINUED)
GQN PACKAGE
(TOP VIEW)
1
2
3
4
A
B
C
D
E
SN74CB3Q3245
8-BIT FET BUS SWITCH
2.5-V/3.3-V LOW-VOLTAGE HIGH-BANDWIDTH BUS SWITCH
SCDS124B – JULY 2003 – REVISED MARCH 2005
The SN74CB3Q3245 is organized as an 8-bit bus switch with a single output-enable (OE) input. When OE is low,
the 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 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.
ORDERING INFORMATION
TA
PACKAGE(1)
ORDERABLE PART NUMBER
QFN – RGY
Tape and reel
SN74CB3Q3245RGYR
BU245
SSOP (QSOP) – DBQ
Tape and reel
SN74CB3Q3245DBQR
CB3Q3245
Tube
SN74CB3Q3245PW
–40
°C to 85°C
TSSOP – PW
BU245
Tape and reel
SN74CB3Q3245PWR
TVSOP – DGV
Tape and reel
SN74CB3Q3245DGVR
BU245
VFBGA – GQN
Tape and reel
SN74CB3Q3245GQNR
BU245
(1)
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at
www.ti.com/sc/package.
TERMINAL ASSIGNMENTS(1)
1
2
3
4
A
A1
NC
VCC
OE
B
A3
B2
A2
B1
C
A5
A4
B4
B3
D
A7
B6
A6
B5
E
GND
A8
B8
B7
(1)
NC - No internal connection
FUNCTION TABLE
INPUT
INPUT/OUTPUT
FUNCTION
OE
A
L
B
A port = B port
H
Z
Disconnect
2
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| SN74CB3Q3245DBQR | CB3Q/3VH/3C/2B SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20 |
| SN74CB3Q3251DGVR | CB3Q/3VH/3C/2B SERIES, 1 LINE TO 8 LINE MULTIPLEXER AND DEMUX/DECODER, TRUE OUTPUT, PDSO16 |
| SN74CB3Q3257RGYR | CB3Q/3VH/3C/2B SERIES, QUAD 1 LINE TO 2 LINE MULTIPLEXER AND DEMUX/DECODER, TRUE OUTPUT, PQCC16 |
| SN74CB3Q3345PWR | CB3Q/3VH/3C/2B SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20 |
| SN74CB3Q3384APWE4 | CB3Q/3VH/3C/2B SERIES, 10-BIT DRIVER, TRUE OUTPUT, PDSO24 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN74CB3Q3245PWR | 功能描述:數(shù)字總線開關(guān) IC 8-Bit 2.5/3.3-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 |
| SN74CB3Q3245PWRE4 | 功能描述:數(shù)字總線開關(guān) IC 9-Channel LVD-SCSI Transceiver 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 |
| SN74CB3Q3245PWRG4 | 功能描述:數(shù)字總線開關(guān) IC 9-Channel LVD-SCSI Transceiver 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 |
| SN74CB3Q3245RGYR | 功能描述:數(shù)字總線開關(guān) IC 8-Bit 2.5/3.3-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 |
| SN74CB3Q3245ZQNR | 功能描述:數(shù)字總線開關(guān) IC 8-Bit 2.5/3.3-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 |
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