数据搜索系统,热门电子元器件搜索 |
|
74HCT640D 数据表(PDF) 3 Page - NXP Semiconductors |
|
74HCT640D 数据表(HTML) 3 Page - NXP Semiconductors |
3 / 6 page March 1988 3 Philips Semiconductors Product specification Octal bus transceiver; 3-state; inverting 74HC/HCT640 PIN DESCRIPTION PIN NO. SYMBOL NAME AND FUNCTION 1 DIR direction control 2, 3, 4, 5, 6, 7, 8, 9 A0 to A7 data inputs/outputs 10 GND ground (0 V) 18, 17, 16, 15, 14, 13, 12, 11 B0 to B7 data inputs/outputs 19 OE output enable input (active LOW) 20 VCC positive supply voltage Fig.1 Pin configuration. Fig.2 Logic symbol. Fig.3 IEC logic symbol. Fig.4 Functional diagram. FUNCTION TABLE Note 1. H = HIGH voltage level L = LOW voltage level X = don’t care Z = high impedance OFF-state inputs inputs/outputs OE DIR An Bn L L H L H X A=B inputs Z inputs B=A Z |
类似零件编号 - 74HCT640D |
|
类似说明 - 74HCT640D |
|
|
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 |