SN74CB3T1G125 datasheet(1/12 Pages) TI

No de pièce	SN74CB3T1G125

Description	SINGLE FET BUS SWITCH 2.5-V/3.3-V LOW-VOLTAGE BUS SWITCH WITH 5-V TOLERANT LEVEL SHIFTER

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SN74CB3T1G125

SINGLE FET BUS SWITCH

2.5V/3.3V LOW VOLTAGE BUS SWITCH WITH 5V TOLERANT LEVEL SHIFTER

SCDS150 − OCTOBER 2003

1

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

D Output Voltage Translation Tracks VCC

D Supports Mixed-Mode Signal Operation On

All Data I/O Ports

− 5-V Input Down To 3.3-V Output Level

Shift With 3.3-V VCC

− 5-V/3.3-V Input Down To 2.5-V Output

Level Shift With 2.5-V VCC

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

or Powered-Down

D Bidirectional Data Flow, With Near-Zero

Propagation Delay

D Low ON-State Resistance (ron)

Characteristics (ron = 5 Ω Typical)

D Low Input/Output Capacitance Minimizes

Loading (Cio(OFF) = 5 pF Typical)

D Data and Control Inputs Provide

Undershoot Clamp Diodes

D Low Power Consumption

(ICC = 20 µA Max)

D VCC Operating Range From 2.3 V to 3.6 V

D 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)

D Control Inputs Can be Driven by TTL or

5-V/3.3-V CMOS Outputs

D Ioff Supports Partial-Power-Down Mode

Operation

D Latch-Up Performance Exceeds 250 mA Per

JESD 17

D ESD Performance Tested Per JESD 22

− 2000-V Human-Body Model

(A114-B, Class II)

− 1000-V Charged-Device Model (C101)

D Supports Digital Applications: Level

Translation, USB Interface, Bus Isolation

D Ideal for Low-Power Portable Equipment

DBV OR DCK PACKAGE

(TOP VIEW)

1

2

3

5

4

OE

A

GND

VCC

B

description/ordering information

The SN74CB3T1G125 is a high-speed TTL-compatible FET bus switch with low ON-state resistance (ron),

allowing for minimal propagation delay. The device fully supports mixed-mode signal operation on all data I/O

ports by providing voltage translation that tracks VCC. The SN74CB3T1G125 supports systems using 5-V TTL,

3.3-V LVTTL, and 2.5-V CMOS switching standards, as well as user-defined switching levels (see Figure 1).

The SN74CB3T1G125 is a 1-bit bus switch with a single ouput-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.

ORDERING INFORMATION

TA

PACKAGE†

ORDERABLE

PART NUMBER

TOP-SIDE

MARKING‡

−40

°C to 85°C

SOT (SOT-23) − DBV

Tape and reel

SN74CB3T1G125DBVR

W25_

−40

°C to 85°C

SOT (SC-70) − DCK

Tape and reel

SN74CB3T1G125DCKR

WM_

† Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines

are available at www.ti.com/sc/package.

‡ The actual top-side marking has one additional character that designates the assembly/test site.

Copyright

 2003, Texas Instruments Incorporated

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.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

Numéro de pièce similaire - SN74CB3T1G125

Fabricant	No de pièce	Fiches technique	Description
Texas Instruments	SN74CB3T1G125	854Kb / 16P	[Old version datasheet] SINGLE FET BUS SWITCH 2.5-V/3.3-V LOW-VOLTAGE SWITCH WITH 5-V-TOLERANT LEVEL SHIFTER
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	SN74CB3T1G125DCKR	854Kb / 16P	[Old version datasheet] SINGLE FET BUS SWITCH 2.5-V/3.3-V LOW-VOLTAGE SWITCH WITH 5-V-TOLERANT LEVEL SHIFTER
	SN74CB3T1G125	854Kb / 16P	[Old version datasheet] SINGLE FET BUS SWITCH 2.5-V/3.3-V LOW-VOLTAGE SWITCH WITH 5-V-TOLERANT LEVEL SHIFTER

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Description similaire - SN74CB3T1G125

Fabricant	No de pièce	Fiches technique	Description
Texas Instruments	SN74CB3T1G125-Q1	554Kb / 13P	[Old version datasheet] SINGLE FET BUS SWITCH 2.5-V/3.3-V LOW-VOLTAGE SWITCH WITH 5-V-TOLERANT LEVEL SHIFTER
	SN74CB3T1G125	854Kb / 16P	[Old version datasheet] SINGLE FET BUS SWITCH 2.5-V/3.3-V LOW-VOLTAGE SWITCH WITH 5-V-TOLERANT LEVEL SHIFTER
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	SN74CB3T16210	200Kb / 14P	[Old version datasheet] 2.5-V/3.3-V LOW-VOLTAGE BUS SWITCH WITH 5-V-TOLERANT LEVEL SHIFTER
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