米6体育平台手机版

ZHCSQK3H march 2003 – august 2023 SN54HCT244 , SN74HCT244

PRODUCTION DATA

请参考 PDF 数据表获取器件具体的封装图。

6.3 Recommended Operating Conditions

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

			MIN	NOM	MAX	UNIT
V_CC	Supply voltage		4.5	5	5.5	V
V_IH	High-level input voltage	V_CC = 4.5 V to 5.5 V	2			V
V_IL	Low-level input voltage	V_CC = 4.5 V to 5.5 V			0.8	V
V_I	Input voltage		0		V_CC	V
V_O	Output voltage		0		V_CC	V
∆t/∆v	Input transition rise and fall time				500	ns
T_A	Operating free-air temperature	SN54HCT244	–55		125	°C
		SN74HCT244⁽²⁾	–40		85
		SN74HCT244⁽²⁾	–40		125

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

(2) For correct operating free-air temperature, see the orderable addendum at the end of the data sheet.