74ACT273 데이터 시트보기 (PDF) - STMicroelectronics

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74ACT273

OCTAL D-TYPE FLIP FLOP WITH CLEAR

STMicroelectronics 

74ACT273

OCTAL D-TYPE FLIP FLOP WITH CLEAR

s HIGH SPEED:

fMAX = 190MHz (TYP.) at VCC = 5V

s LOW POWER DISSIPATION:

ICC = 4 µA (MAX.) at TA=25°C

s COMPATIBLE WITH TTL OUTPUTS

VIH = 2V (MIN.), VIL = 0.8V (MAX.)

s 50Ω TRANSMISSION LINE DRIVING

CAPABILITY

s SYMMETRICAL OUTPUT IMPEDANCE:

|IOH| = IOL = 24mA (MIN)

s BALANCED PROPAGATION DELAYS:

tPLH ≅ tPHL

s OPERATING VOLTAGE RANGE:

VCC (OPR) = 4.5V to 5.5V

s PIN AND FUNCTION COMPATIBLE WITH

74 SERIES 273

s IMPROVED LATCH-UP IMMUNITY

DESCRIPTION

The 74ACT273 is an advanced high-speed CMOS

OCTAL D-TYPE FLIP FLOP WITH CLEAR

fabricated with sub-micron silicon gate and

double-layer metal wiring C2MOS technology.

Information signals applied to D inputs are

transfered to the Q output on the positive-going

edge of the clock pulse.

DIP

SOP

TSSOP

ORDER CODES

PACKAGE

DIP

SOP

TSSOP

TUBE

74ACT273B

74ACT273M

T&R

74ACT273MTR

74ACT273TTR

When the CLEAR input is held low, the Q outputs

are held low independentely of the other inputs.

The device is designed to interface directly High

Speed CMOS systems with TTL, NMOS and

CMOS output voltage levels.

All inputs and outputs are equipped with

protection circuits against static discharge, giving

them 2KV ESD immunity and transient excess

voltage.

PIN CONNECTION AND IEC LOGIC SYMBOLS

April 2001

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