CDx4HC640 CDx4HCT640 High-Speed CMOS Logic Octal Three-State Bus Transceiver, Inverting

1 Features • Buffered inputs • Three-state outputs • Applications in multiple-data-bus architecture • Fanout (over temperature range) – Standard outputs : 10 LSTTL loads – Bus driver outputs : 15 LSTTL loads • Wide operating temperature range : -55oC to 125oC • Balanced propagation delay

OCTAL BUS TRANSCEIVER3-STATE: HCT245 NON INVERTING HCT640 INVERTING, HCT643 INVERTING/NON INVERTING

DESCRIPTION The M54/74HCT245, HCT640 and HCT643 utilise silicon gate C2MOS technology to achive operating speeds eqivalent to LSTTL devices. ■ HIGH SPEED tPD = 10 ns (TYP.) at VCC = 5V ■ LOW POWER DISSIPATION ICC = 4 µA (MAX.) at TA = 25 °C ■ COMPATIBLE WITH TTL OUTPUTS VIH

High-Speed CMOS Logic Octal Three-State Bus Transceiver, Inverting

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Inverting Octal TRI-STATE Transceiver

文件：140.5 Kbytes Page：4 Pages

Inverting Octal TRI-STATE Transceiver

文件：140.5 Kbytes Page：4 Pages