Datasheet > U74CBTLV32

U74CBTLV32

更新时间： 2024-09-25 14:52:07

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U74CBTLV32 数据手册

UNISONIC TECHNOLOGIES CO., LTD

U74CBTLV3245

CMOS IC

LOW-VOLTAGE OCTAL FET

BUS SWITCH



DESCRIPTION

The U74CBTLV3245 provides eight bits of high-speed bus

switching in a standard '245 device pinout. The low on-state

resistance of the switch allows connections to be made with minimal

propagation delay.

The device is organized as one 8-bit switch. When output enable

( OE ) is low, the 8-bit bus switch is on, and port A is connected to

TSSOP-20

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_OFF. The I_OFFfeature ensures that damaging current will not

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_CCthrough a pullup resistor; the

minimum value of the resistor is determined by the current-sinking

capability of the driver.



FEATURES

* 5Ω Switch Connection Between Two Ports

* Standard ‘245-Type Pinout

* Isolation Under Power-Off Conditions

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

* I_OFFSupports Partial-Power-Down Mode Operation



ORDERING INFORMATION

Ordering Number

Lead Free

Package

Packing

Halogen Free

U74CBTLV3245L-P20-R

U74CBTLV3245G-P20-R

TSSOP-20

Tape Reel

U74CBTLV3245G-P20-R

(1) R: Tape Reel

(2) P20: TSSOP-20

(3) G: Halogen Free and Lead Free, L: Lead Free

(1)Packing Type

(2) Package Type

(3) Green Package



MARKING

www.unisonic.com.tw

1 of 6

QW-R502-D37.a

12 3 4 5 6

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