SCAS521 Data sheet

SCAS521G August 1995 – July 2024 SN54AC74 , SN74AC74

PRODUCTION DATA

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)

D|14
DB|14
PW|14
N|14
NS|14

Thermal pad, mechanical data (Package|Pins)

Orderable Information

4.2 Recommended Operating Conditions

over operating free-air temperature range (unless otherwise noted)⁽¹⁾

			SN54AC74		SN74AC74		UNIT
			MIN	MAX	MIN	MAX	UNIT
V_CC	Supply voltage		2	6	2	6	V
V_IH	High-level input voltage	V_CC = 3 V	2.1		2.1		V
		V_CC = 4.5 V	3.15		3.15
		V_CC = 5.5 V	3.85		3.85
V_IL	Low-level input voltage	V_CC = 3 V		0.9		0.9	V
		V_CC = 4.5 V		1.35		1.35
		V_CC = 5.5 V		1.65		1.65
V_I	Input voltage		0	V_CC	0	V_CC	V
V_O	Output voltage		0	V_CC	0	V_CC	V
I_OH	High-level output current	V_CC = 3 V		−12		−12	mA
		V_CC = 4.5 V		−24		−24
		V_CC = 5.5 V		−24		−24
I_OL	Low-level output current	VCC = 3 V		12		12	mA
		V_CC = 4.5 V		24		24
		V_CC = 5.5 V		24		24
∆t/∆v	Input transition rise or fall rate			8		8	ns/V
T_A	Operating free-air temperature		−55	125	−40	85	°C

(1) All unused inputs of the device must be held at V_CC or GND to ensure proper device operation. Refer to the TI application report, Implications of Slow or Floating CMOS Inputs, literature number SCBA004.