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TC74ACT273P

TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic

Toshiba 

TC74ACT273P/F/FW

TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic

TC74ACT273P,TC74ACT273F,TC74ACT273FW

Octal D-Type Flip Flop with Clear

The TC74ACT273 is an advanced high speed CMOS OCTAL

D-TYPE FLIP FLOP fabricated with silicon gate and

double-layer metal wiring C2MOS technology.

It achieves the high speed operation similar to equivalent

Bipolar Schottky TTL while maintaining the CMOS low power

dissipation.

This device may be used as a level converter for interfacing

TTL or NMOS to High Speed CMOS. The inputs are compatible

with TTL, NMOS and CMOS output voltage levels.

Information signals applied to D inputs are transferred to the

Q outputs on the positive going edge of the clock pulse.

When the CLR input is held “L”, the Q outputs are at a low

logic level independent of the other inputs.

All inputs are equipped with protection circuits against static

discharge or transient excess voltage.

Features

• High speed: fmax = 170 MHz (typ.) at VCC = 5 V

• Low power dissipation: ICC = 8 µA (max) at Ta = 25°C

• Compatible with TTL outputs: VIL = 0.8 V (max)

VIH = 2.0 V (min)

• Symmetrical output impedance: |IOH| = IOL = 24 mA (min)

Capability of driving 50 Ω

transmission lines.

• Balanced propagation delays: tpLH ∼− tpHL

• Pin and function compatible with 74F273

Pin Assignment

Note: xxxFW (JEDEC SOP) is not available in

Japan.

TC74ACT273P

TC74ACT273F

TC74ACT273FW

Weight

DIP20-P-300-2.54A

SOP20-P-300-1.27A

SOP20-P-300-1.27

SOL20-P-300-1.27

: 1.30 g (typ.)

: 0.22 g (typ.)

: 0.22 g (typ.)

: 0.46 g (typ.)

1

2006-06-01

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