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SN74CBTK32245

更新时间： 2024-11-01 22:40:07

品牌	Logo	应用领域
德州仪器 - TI		开关
页数	文件大小	规格书
10页	273K
描述
32 BIT FET BUS SWITCH WITH ACTIVE CLAMP UNDERSHOOT PROTECTION CIRCUIT

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SN74CBTK32245 数据手册

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SCDS106E − APRIL 2000 − REVISED SEPTEMBER 2003

Member of the Texas Instruments

Widebus+ Family

5-Ω Switch Connection Between Two Ports

TTL-Compatible Input Levels

Flow-Through Architecture Optimizes PCB

Layout

Latch-Up Performance Exceeds 100 mA Per

JESD 78, Class II

ESD Protection Exceeds JESD 22

− 2000-V Human-Body Model (A114-A)

− 200-V Machine Model (A115-A)

Supports Partial-Power-Down Mode

off

Operation

Active-Clamp Undershoot-Protection

Circuit on the I/Os Clamps Undershoots Up

To −2 V

− 1000-V Charged-Device Model (C101)

description/ordering information

The SN74CBTK32245 provides 32 bits of high-speed TTL-compatible bus switching. The low on-state

resistance of the switch allows connections to be made with minimal propagation delay.

The A and B ports have an active-clamp undershoot-protection circuit. When there is an undershoot, the

active-clamp circuit is enabled and current from V

transistor from turning on.

is supplied to clamp the output, preventing the pass

The device is organized as four 8-bit bus switches, two 16-bit bus switches, or one 32-bit bus switch. When the

output-enable (OE) input is low, the switch is on and port A is connected to port B. When OE is high, the switch

is open and the high-impedance state exists between the two ports.

This device is fully specified for partial-power-down applications using I . The I circuitry disables the outputs,

off

preventing damaging current backflow through the device when it is powered down.

ORDERING INFORMATION

ORDERABLE

PART NUMBER

TOP-SIDE

MARKING

†

PACKAGE

LFBGA − GKE

LFBGA − ZKE (Pb-free)

SN74CBTK32245GKER

SN74CBTK32245ZKER

−40°C to 85°C

Tape and reel

KT245

†

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

FUNCTION

A port = B port

Disconnect

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.

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POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4 5 6 7...10

中文翻译

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与SN74CBTK32245相关器件

型号	品牌	获取价格	描述	数据表
SN74CBTK32245GKE	TI	获取价格	CBT/FST/QS/5C/B SERIES, QUAD 8-BIT DRIVER, TRUE OUTPUT, PBGA96, FBGA-96
SN74CBTK32245GKER	TI	获取价格	32 BIT FET BUS SWITCH WITH ACTIVE CLAMP UNDERSHOOT PROTECTION CIRCUIT
SN74CBTK32245ZKER	TI	获取价格	32 BIT FET BUS SWITCH WITH ACTIVE CLAMP UNDERSHOOT PROTECTION CIRCUIT
SN74CBTK6800DGVR	TI	获取价格	CBT/FST/QS/5C/B SERIES, 10-BIT DRIVER, TRUE OUTPUT, PDSO24, PLASTIC, TVSOP-24
SN74CBTK6800DWR	TI	获取价格	10-Bit FET Bus Switch With Precharged Outputs and Active-Clamp Undershoot Circuit 24-SOIC
SN74CBTK6800DWRG4	TI	获取价格	10-BIT FET BUS SWITCH WITH PRECHARGED OUTPUTS AND ACTIVE-CLAMP UNDERSHOOT-PROTECTION CIRCU
SN74CBTK6800PW	TI	获取价格	CBT/FST/QS/5C/B SERIES, 10-BIT DRIVER, TRUE OUTPUT, PDSO24, GREEN, PLASTIC, TSSOP-24
SN74CBTK6800PWRE4	TI	获取价格	CBT/FST/QS/5C/B SERIES, 10-BIT DRIVER, TRUE OUTPUT, PDSO24, PLASTIC, TSSOP-24
SN74CBTL3383	TI	获取价格	LOW-VOLTAGE 10-BIT FET BUS-EXCHANGE SWITCH
SN74CBTLV16210	TI	获取价格	LOW-VOLTAGE 20-BIT FET BUS SWITCH

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