数据搜索系统,热门电子元器件搜索 |
|
74HC257N 数据表(PDF) 5 Page - NXP Semiconductors |
|
74HC257N 数据表(HTML) 5 Page - NXP Semiconductors |
5 / 13 page 1998 Sep 30 5 Philips Semiconductors Product specification Quad 2-input multiplexer; 3-state 74HC/HCT257 DC CHARACTERISTICS FOR 74HC For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”. Output capability: bus driver ICC category: MSI AC CHARACTERISTICS FOR 74HC GND = 0 V; tr =tf = 6 ns; CL = 50 pF SYMBOL PARAMETER Tamb (°C) UNIT TEST CONDITIONS 74HC VCC (V) WAVEFORMS +25 −40 to +85 −40 to +125 min. typ. max. min. max. min. max. tPHL/ tPLH propagation delay nI0 to nY; nI1 to nY 36 110 140 165 ns 2.0 Fig.6 13 22 28 33 4.5 10 19 24 28 6.0 tPHL/ tPLH propagation delay S to nY 47 150 190 225 ns 2.0 Fig.6 17 30 38 45 4.5 14 26 33 38 6.0 tPZH/ tPZL 3-state output enable time OE to nY 33 150 190 225 ns 2.0 Fig.7 12 30 38 45 4.5 10 26 33 38 6.0 tPHZ/ tPLZ 3-state output disable time OE to nY 41 150 190 225 ns 2.0 Fig.7 15 30 38 45 4.5 12 26 33 38 6.0 tTHL/ tTLH output transition time 14 60 75 90 ns 2.0 Fig.6 5 12 15 18 4.5 4 10 13 15 6.0 |
类似零件编号 - 74HC257N |
|
类似说明 - 74HC257N |
|
|
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 |