数据搜索系统,热门电子元器件搜索 |
|
SN74BCT245PWG4 数据表(PDF) 3 Page - Texas Instruments |
|
SN74BCT245PWG4 数据表(HTML) 3 Page - Texas Instruments |
3 / 20 page SN54BCT245, SN74BCT245 OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SCBS013H – SEPTEMBER 1998 – REVISED MAY 2002 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions (see Note 3) SN54BCT245 SN74BCT245 UNIT MIN NOM MAX MIN NOM MAX UNIT VCC Supply voltage 4.5 5 5.5 4.5 5 5.5 V VIH High-level input voltage 2 2 V VIL Low-level input voltage 0.8 0.8 V IIK Input clamp current –18 –18 mA IOH High level output current A port – 3 – 3 mA IOH High-level output current B port –12 –15 mA IOL Low level output current A port 20 24 mA IOL Low-level output current B port 48 64 mA TA Operating free-air temperature – 55 125 0 70 °C NOTE 3: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report, Implications of Slow or Floating CMOS Inputs, literature number SCBA004. electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS SN54BCT245 SN74BCT245 UNIT PARAMETER TEST CONDITIONS MIN TYP† MAX MIN TYP† MAX UNIT VIK VCC = 4.5 V, II = –18 mA –1.2 –1.2 V A port VCC =4 5V IOH = –1 mA 2.5 3.4 2.5 3.4 A port VCC = 4.5 V IOH = – 3 mA 2.4 3.3 2.4 3.3 VOH IOH = – 3 mA 2.4 3.3 2.4 3.3 V B port VCC = 4.5 V IOH = –12 mA 2 3.2 IOH = – 15 mA 2 3.1 A port VCC =4 5V IOL = 20 mA 0.3 0.5 VOL A port VCC = 4.5 V IOL = 24 mA 0.35 0.5 V VOL B port VCC =4 5V IOL = 48 mA 0.38 0.55 V B port VCC = 4.5 V IOL = 64 mA 0.42 0.55 I A or B port VCC =5 5V VI =5 5V 1 1 mA II Control input VCC = 5.5 V, VI = 5.5 V 0.1 0.1 mA I ‡ A or B port VCC =5 5V VI =2 7V 70 70 µA IIH‡ Control input VCC = 5.5 V, VI = 2.7 V 20 20 µA I ‡ A or B port VCC =5 5V VI =0 5V – 0.65 – 0.65 mA IIL‡ Control input VCC = 5.5 V, VI = 0.5 V –1.2 –1.2 mA I § A port VCC =5 5V VO =0 – 60 –150 – 60 –150 mA IOS§ B port VCC = 5.5 V, VO = 0 –100 – 225 –100 – 225 mA ICCL A to B VCC = 5.5 V 57 90 57 90 mA ICCH A to B VCC = 5.5 V 36 57 36 57 mA ICCZ VCC = 5.5 V 10 15 10 15 mA Ci Control input VCC = 5 V, VI = 2.5 V or 0.5 V 7 7 pF Ci A to B VCC =5V VO =2 5Vor0 5V 9 9 pF Cio B to A VCC = 5 V, VO = 2.5 V or 0.5 V 12 12 pF † All typical values are at VCC = 5 V, TA = 25°C. ‡ For I/O ports, the parameters IIH and IIL include the off-state output current. § Not more than one output should be tested at a time, and the duration of the test should not exceed one second. |
类似零件编号 - SN74BCT245PWG4 |
|
类似说明 - SN74BCT245PWG4 |
|
|
链接网址 |
隐私政策 |
ALLDATASHEETCN.COM |
ALLDATASHEET是否为您带来帮助? [ DONATE ] |
关于 Alldatasheet | 广告服务 | 联系我们 | 隐私政策 | 链接交换 | 制造商名单 All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |