SCAS514 Data sheet

SCAS514H June 1995 – March 2024 SN54AC244 , SN74AC244

PRODMIX

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)

DB|20
RKS|20
NS|20
N|20
DGS|20
DW|20
PW|20

Thermal pad, mechanical data (Package|Pins)

RKS|20
- QFND312B

Orderable Information

5.2 Recommended Operating Conditions

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

			SN54AC244		SN74AC244		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	V_CC = 3 V		12		12	mA
		V_CC = 4.5 V		24		24
		V_CC = 5.5 V		24		24
Δt/Δv	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 for proper device operation. Refer to the TI application report, Implications of Slow or Floating CMOS Inputs, literature number SCBA004.