TC74LCX245FK TOSHIBA [Toshiba Semiconductor], TC74LCX245FK Datasheet

TC74LCX245FK

Manufacturer Part Number

TC74LCX245FK

Description

Low-Voltage Octal Bus Transceiver with 5-V Tolerant Inputs and Outputs

Manufacturer

TOSHIBA [Toshiba Semiconductor]

Datasheet

1.TC74LCX245FK.pdf (10 pages)

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Download datasheet (249Kb)

Low-Voltage Octal Bus Transceiver with 5-V Tolerant Inputs and Outputs

transceiver. Designed for use in 3.3-V systems, it achieves

high-speed operation while maintaining the CMOS low power

dissipation.

but it could be used to interface to 5-V supply environment for

both inputs and outputs.

the DIR input. The enable input ( OE ) can be used to disable the

device so that the busses are effectively isolated.

discharge.

Features (Note)

•

The TC74LCX245 is a high-performance CMOS octal bus

The device is designed for low-voltage (3.3 V) VCC applications,

The direction of data transmission is determined by the level of

All inputs are equipped with protection circuits against static

Low-voltage operation: V

High-speed operation: t

Ouput current: |I

Latch-up performance: −500 mA

Available in JEITA SOP, TSSOP and VSSOP (US)

Bidirectional interface between 5.0 V and 3.3 V signals

Power-down protection provided on all inputs and outputs

Pin and function compatible with the 74 series

Note: Do not apply a signal to any bus pins when it is in the

(74AC/VHC/HC/F/ALS/LS etc.) 245 type

output mode. Damage may result.

All floating (high impedance) bus pins must have their

input levels fixed by means of pull-up or pull-down

resistors.

TC74LCX245F,TC74LCX245FT,TC74LCX245FK

TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic

|/I

= 7.0 ns (max) (V

= 24 mA (min) (V

= 2.0 to 3.6 V

= 3.0 to 3.6 V)

= 3.0 V)

Weight

SOP20-P-300-1.27A

TSSOP20-P-0044-0.65A

VSSOP20-P-0030-0.50

TC74LCX245F

TC74LCX245FT

TC74LCX245FK

TC74LCX245F/FT/FK

: 0.22g (typ.)

: 0.08 g (typ.)

: 0.03 g (typ.)

2007-10-19

Related parts for TC74LCX245FK

TC74LCX245FK Summary of contents

Page 1

... Damage may result. All floating (high impedance) bus pins must have their input levels fixed by means of pull-up or pull-down resistors. TC74LCX245F TC74LCX245FT = 3 TC74LCX245FK Weight SOP20-P-300-1.27A TSSOP20-P-0044-0.65A VSSOP20-P-0030-0.50 1 TC74LCX245F/FT/FK : 0.22g (typ.) : 0.08 g (typ.) : 0.03 g (typ.) 2007-10-19 ...

Page 2

Pin Assignment (top view) DIR GND 10 Truth Table Inputs Outputs OE DIR ...

Page 3

Absolute Maximum Ratings (Note 1) Characteristics Power supply voltage DC input voltage (DIR bus I/O voltage Input diode current Output diode current DC output current Power dissipation DC V /ground current CC Storage temperature Note 1: Exceeding ...

Page 4

Electrical Characteristics DC Characteristics (Ta = −40 to 85°C) Characteristics H-level Input voltage L-level H-level Output voltage L-level Input leakage current 3-state output OFF state current Power-off leakage current Quiescent supply current Increase in I per input CC AC Characteristics ...

Page 5

Dynamic Switching Characteristics Characteristics Quiet output maximum dynamic V OL Quiet output minimum dynamic V OL Capacitive Characteristics Characteristics Input capacitance Bus input capacitance Power dissipation capacitance Note defined as the value of the internal equivalent capacitance which ...

Page 6

Output Enable ( pLZ Output (An, Bn) Low to Off to Low t pHZ Output (An, Bn) High to Off to High Outputs enabled Figure 3 t TC74LCX245F/FT/ 90% ...

Page 7

Package Dimensions Weight: 0.22 g (typ.) TC74LCX245F/FT/FK 7 2007-10-19 ...

Page 8

Package Dimensions Weight: 0.08 g (typ.) TC74LCX245F/FT/FK 8 2007-10-19 ...

Page 9

Package Dimensions Weight: 0.03 g (typ.) TC74LCX245F/FT/FK 9 2007-10-19 ...

Page 10

RESTRICTIONS ON PRODUCT USE • The information contained herein is subject to change without notice. • TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due to ...

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