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參數(shù)資料
| 型號(hào)： | SN74CB3Q16245DGG |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 16-BIT SWITCH 2.5-V/3.3-V LOW-VOLTAGE FET BUS SWITCH |
| 中文描述： | 16位開(kāi)關(guān)2.5-V/3.3-V低壓FET總線開(kāi)關(guān) |
| 文件頁(yè)數(shù)： | 2/9頁(yè) |
| 文件大?。?/td> | 104K |
| 代理商： | SN74CB3Q16245DGG |
www.ti.com
DESCRIPTION/ORDERING INFORMATION
The SN74CB3Q16245 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 (r
). 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 SN74CB3Q16245 provides an optimized
interface solution ideally suited for broadband communications, networking, and data-intensive computing
systems.
SN74CB3Q16245
16-BIT SWITCH
2.5-V/3.3-V LOW-VOLTAGE FET BUS SWITCH
SCDS171A–JULY 2004–REVISED MARCH 2005
The SN74CB3Q16245 is organized as two 8-bit bus switches with separate output-enable (1OE, 2OE) inputs. It
can be used as two 8-bit bus switches, or as one 16-bit bus switch. When OE is low, the associated 8-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 8-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 I
off
. The I
off
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 V
through a pullup
resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
ORDERING INFORMATION
T
A
PACKAGE
(1)
ORDERABLE PART NUMBER
SN74CB3Q16245DL
SN74CB3Q16245DLR
SN74CB3Q16245DGG
SN74CB3Q16245DGGR
SN74CB3Q16245DGVR
TOP-SIDE MARKING
Tube
Tape and reel
Tube
Tape and reel
Tape and reel
SSOP – DL
CB3Q16245
–40
°
C to 85
°
C
TSSOP – DGG
CB3Q16245
TVSOP – DGV
BW245
(1)
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at
www.ti.com/sc/package.
FUNCTION TABLE
(EACH 8-BIT BUS SWITCH)
INPUT
OE
L
H
INPUT/OUTPUT
A
B
Z
FUNCTION
A port = B port
Disconnect
2
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN74CB3Q16245DGGR | 功能描述:數(shù)字總線開(kāi)關(guān) IC 16 BFET Bus Switch 2.5V/3.3VLoVltgHi RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:24 傳播延遲時(shí)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 |
| SN74CB3Q16245DGGRG4 | 制造商:Texas Instruments 功能描述: |
| SN74CB3Q16245DGVR | 功能描述:數(shù)字總線開(kāi)關(guān) IC 16 BFET Bus Switch 2.5V/3.3V Lo Vltg RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:24 傳播延遲時(shí)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 |
| SN74CB3Q16245DL | 功能描述:數(shù)字總線開(kāi)關(guān) IC 2.5V 3.3V LO VLTG HI BandwidthBus Switch RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:24 傳播延遲時(shí)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 |
| SN74CB3Q16245DLG4 | 功能描述:數(shù)字總線開(kāi)關(guān) IC 2.5V 3.3V LO VLTG HI BandwidthBus Switch RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:24 傳播延遲時(shí)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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