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SN74CB3Q16811

更新时间： 2024-11-23 05:04:51

品牌	Logo	应用领域
德州仪器 - TI		开关输出元件
页数	文件大小	规格书
12页	174K
描述
24-BIT SWITCH WITH PRECHARGED OUTPUTS 2.5-V/3.3-V LOW-VOLTAGE FET BUS SWITCH

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SN74CB3Q16811 数据手册

SN74CB3Q16811

24-BIT SWITCH WITH PRECHARGED OUTPUTS

2.5-V/3.3-V LOW-VOLTAGE FET BUS SWITCH

www.ti.com

SCDS153B–OCTOBER 2003–REVISED MARCH 2005

FEATURES

•

Data and Control Inputs Provide Undershoot

Clamp Diodes

•

Member of the Texas Instruments Widebus™

Family

•

Low Power Consumption (I_CC= 0.75 mA Typ)

V_CCOperating Range From 2.3 V to 3.6 V

SN74CB3Q Bus Switches Are Equivalent to

IDTQS3VH Bus Switches

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)

5-V Tolerant I/Os With Device Powered Up or

Powered Down

•

Control Inputs Can Be Driven by TTL or

5-V/3.3-V CMOS Outputs

Low and Flat ON-State Resistance (r_on)

Characteristics Over Operating Range

(r_on= 5 Ω Typ)

I_offSupports Partial-Power-Down Mode

Operation

•

Rail-to-Rail Switching on Data I/O Ports

– 0- to 5-V Switching With 3.3-V V_CC

– 0- to 3.3-V Switching With 2.5-V V_CC

Latch-Up Performance Exceeds 100 mA Per

JESD 78, Class II

ESD Performance Tested Per JESD 22

B-Port Outputs Are Precharged by Bias

Voltage (BIASV) to Minimize Signal Distortion

During Live Insertion and Hot Plugging

– 2000-V Human-Body Model

(A114-B, Class II)

– 1000-V Charged-Device Model (C101)

•

Supports PCI Hot Plug

•

Supports Both Digital and Analog

Applications: PCI Hot Plug, Hot Docking,

Memory Interleaving, Bus Isolation, and

Low-Distortion Signal Gating

Bidirectional Data Flow With Near-Zero

Propagation Delay

•

Low Input/Output Capacitance Minimizes

Loading and Signal Distortion

(C_io(OFF)= 4 pF Typ)

•

Fast Switching Frequency (f_ON= 20 MHz Max)

DESCRIPTION/ORDERING INFORMATION

The SN74CB3Q16811 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_on). 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 SN74CB3Q16811 provides an optimized

interface solution ideally suited for broadband communications, networking, and data-intensive computing

systems.

ORDERING INFORMATION

T_A

PACKAGE⁽¹⁾

ORDERABLE PART NUMBER

SN74CB3Q16811DL

TOP-SIDE MARKING

CB3Q16811

Tube

SSOP – DL

Tape and reel

SN74CB3Q16811DLR

–40°C to 85°C

TSSOP – DGG

TVSOP – DGV

SN74CB3Q16811DGGR

SN74CB3Q16811DGVR

CB3Q16811

BW811

(1) Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at

www.ti.com/sc/package.

DESCRIPTION/ORDERING INFORMATION (CONTINUED)

The SN74CB3Q16811 is organized as two 12-bit bus switches with separate output-enable (1OE, 2OE) inputs. It

can be used as two 12-bit bus switches or as one 24-bit bus switch. When OE is low, the associated 12-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 12-bit bus switch is OFF, and a high-impedance state exists between the A and B ports.

The B port is precharged to bias voltage (BIASV) through the equivalent of a 10-kΩ resistor when OE is high or if

the device is powered down (V_CC= 0 V).

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.

Widebus is a trademark of Texas Instruments.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...12

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与SN74CB3Q16811相关器件

型号	品牌	获取价格	描述	数据表
SN74CB3Q16811DGGR	TI	获取价格	24-BIT SWITCH WITH PRECHARGED OUTPUTS 2.5-V/3.3-V LOW-VOLTAGE FET BUS SWITCH
SN74CB3Q16811DGVR	TI	获取价格	24-BIT SWITCH WITH PRECHARGED OUTPUTS 2.5-V/3.3-V LOW-VOLTAGE FET BUS SWITCH
SN74CB3Q16811DL	TI	获取价格	24-BIT SWITCH WITH PRECHARGED OUTPUTS 2.5-V/3.3-V LOW-VOLTAGE FET BUS SWITCH
SN74CB3Q16811DLG4	TI	获取价格	24-BIT SWITCH WITH PRECHARGED OUTPUTS 2.5-V/3.3-V LOW-VOLTAGE FET BUS SWITCH
SN74CB3Q16811DLR	TI	获取价格	24-BIT SWITCH WITH PRECHARGED OUTPUTS 2.5-V/3.3-V LOW-VOLTAGE FET BUS SWITCH
SN74CB3Q3125	TI	获取价格	QUADRUPLE FET BUS SWITCH 2.5-V/3.3-V LOW-VOLTAGE HIGH-BANDWIDTH BUS SWITCH
SN74CB3Q3125DBQR	TI	获取价格	QUADRUPLE FET BUS SWITCH 2.5-V/3.3-V LOW-VOLTAGE HIGH-BANDWIDTH BUS SWITCH
SN74CB3Q3125DGVR	TI	获取价格	QUADRUPLE FET BUS SWITCH 2.5-V/3.3-V LOW-VOLTAGE HIGH-BANDWIDTH BUS SWITCH
SN74CB3Q3125PW	TI	获取价格	QUADRUPLE FET BUS SWITCH 2.5-V/3.3-V LOW-VOLTAGE HIGH-BANDWIDTH BUS SWITCH
SN74CB3Q3125PWE4	TI	获取价格	QUADRUPLE FET BUS SWITCH 2.5-V/3.3-V LOW-VOLTAGE HIGH-BANDWIDTH BUS SWITCH

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