TC7MP245FTG 查看數據表（PDF） - Toshiba

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TC7MP245FTG

TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic

Toshiba 

TC7MP245FK/FTG

TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic

TC7MP245FK, TC7MP245FTG

Low-Voltage/Low-Power Octal Bus Transceiver with Bus-hold

The TC7MP245 is a high-performance CMOS octal bus

transceiver. By a low power consumption circuit, power

consumption has been reduced when a bus terminal is disable state

(OE=High).

The direction of data transmission is determined by the level of the

DIR input. The OE input can be used to disable the device so that the

busses are effectively isolated.

But, bus of a B bus side at floating state is maintained in an

appropriate logic level due to a bus hold circuit to a B bus. Moreover,

the bus-hold circuit which is added to a B bus is off when OE is low.

All inputs are equipped with protection circuits against static

discharge.

TC7MP245FK

TC7MP245FTG

VQON20-P-0404-0.50

Features

• Low-voltage operation

: VCC = 1.65 to 3.6 V

Weight:

VSSOP20-P-0030-0.50 : 0.03 g (typ.)

VQON20-P-0404-0.50 : 0.0145 g (typ.)

• Low power current consumption : By a new input circuit, power consumption in OE=H is reduced largely.

It is most suitable for battery drive products such as personal digital

assistant or a cellular phone.

• Quiescent supply current : ICC = 5μA(max)(Vcc=3.6V)

• High-speed operation

: tpd=3.0ns(max)(Vcc=3.3±0.3V)

tpd=4.6ns(max)(Vcc=2.5±0.2V)

tpd=10.0ns(max)(Vcc=1.8±0.15V)

• Output current

• Latch-up performance

: IOHA/IOLA(A bus)=±12mA(min)(VCC=3.0V)

: IOHB/IOLB(B bus)=±24mA(min)(VCC=3.0V)

: ±300mA

• ESD performance

: Machine model ≥ ±200 V

Human body model ≥ ±2000 V

• Ultra-small package

: VSSOP(US20), VQON20

• Bus hold circuit is built in only the B bus side.(Only in OE=H, a former state is maintained.)

• Floating of A-bus and B-bus are permitted.(When OE=H)

• Gate IC for control(TC7MP01FK) of DIR and OE terminal are prepared.

• 3.6V tolerant function provided on A-bus terminal, DIR and OE terminal.

Note 1: At the time bus terminal is enable state, please do not give a signal from the outside.

Note 2: When mounting VQON package, the type of recommended flux is RA or RMA.

1

2007-10-19

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