数据搜索系统,热门电子元器件搜索 |
|
SN74BCT640NSRE4 数据表(PDF) 3 Page - Texas Instruments |
|
SN74BCT640NSRE4 数据表(HTML) 3 Page - Texas Instruments |
3 / 12 page SN54BCT640, SN74BCT640 OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SCBS025C – SEPTEMBER 1988 – REVISED APRIL 1994 2–3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions SN54BCT640 SN74BCT640 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 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS SN54BCT640 SN74BCT640 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 inputs 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 inputs VCC = 5.5 V, VI = 2.7 V 20 20 µA I ‡ A or B port VCC =5 5V VI =0 5V – 0.6 – 0.6 mA IIL‡ Control inputs VCC = 5.5 V, VI = 0.5 V – 0.65 – 0.65 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 53 84 53 94 mA ICCH A to B VCC = 5.5 V 23 37 23 41 mA ICCZ VCC = 5.5 V 4 10 4 11 mA † 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 - SN74BCT640NSRE4 |
|
类似说明 - SN74BCT640NSRE4 |
|
|
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 |