2 Description

The ’AC273 and ’ACT273 devices are octal D-type flip-flops with reset that utilize advanced CMOS logic technology. Information at the D input is transferred to the Q output on the positive-going edge of the clock pulse. All eight flip-flops are controlled by a common clock (CP) and a common reset (MR). Resetting is accomplished by a low voltage level independent of the clock.

Device Information

PART NUMBER	PACKAGE⁽¹⁾	PACKAGE SIZE⁽²⁾	BODY SIZE⁽³⁾
CD74AC273/ CD74ACT273	DW (SOIC, 20)	12.8 mm x 10.3 mm	12.8 mm x 7.5 mm
	DB (SSOP, 20)	7.2 mm x 7.8 mm	7.2 mm x 5.3 mm
	N (PDIP, 20)	24.33 mm x 9.4 mm	24.33 mm x 6.35 mm
	PW (TSSOP, 20)	5.00 mm x 6.4 mm	5.00 mm x 4.4 mm

(1) For more information, see Section 10.

(2) The package size (length × width) is a nominal value and includes pins, where applicable.

(3) The body size (length × width) is a nominal value and does not include pins.

Functional Block Diagram