数据搜索系统,热门电子元器件搜索 |
|
74HC191D 数据表(PDF) 8 Page - NXP Semiconductors |
|
74HC191D 数据表(HTML) 8 Page - NXP Semiconductors |
8 / 14 page December 1990 8 Philips Semiconductors Product specification Presettable synchronous 4-bit binary up/down counter 74HC/HCT191 DC CHARACTERISTICS FOR 74HC For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”. Output capability: standard ICC category: MSI AC CHARACTERISTICS FOR 74HC GND = 0 V; tr =tf = 6 ns; CL =50pF 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 CP to Qn 72 26 21 220 44 37 275 55 47 330 66 56 ns 2.0 4.5 6.0 Fig.10 tPHL/ tPLH propagation delay CP to TC 83 30 24 255 51 43 320 64 54 395 77 65 ns 2.0 4.5 6.0 Fig.10 tPHL/ tPLH propagation delay CP to RC 47 17 14 150 30 26 190 38 33 225 45 38 ns 2.0 4.5 6.0 Fig.11 tPHL/ tPLH propagation delay CE to RC 33 12 10 130 26 22 165 33 28 195 39 33 ns 2.0 4.5 6.0 Fig.11 tPHL/ tPLH propagation delay Dn to Qn 61 22 18 220 44 37 275 55 47 330 66 56 ns 2.0 4.5 6.0 Fig.12 tPHL/ tPLH propagation delay PL to Qn 61 22 18 220 44 37 275 55 47 330 66 56 ns 2.0 4.5 6.0 Fig.13 tPHL/ tPLH propagation delay U/D to TC 44 16 13 190 38 32 240 48 41 285 57 48 ns 2.0 4.5 6.0 Fig.14 tPHL/ tPLH propagation delay U/D to RC 50 18 14 210 42 36 265 53 45 315 63 54 ns 2.0 4.5 6.0 Fig.14 tTHL/ tTLH output transition time 19 7 6 75 15 13 95 19 16 110 22 19 ns 2.0 4.5 6.0 Fig.15 tW clock pulse width HIGH or LOW 125 25 21 28 10 8 155 31 26 195 39 33 ns 2.0 4.5 6.0 Fig.10 tW parallel load pulse width LOW 100 20 17 22 8 6 125 25 21 150 30 26 ns 2.0 4.5 6.0 Fig.15 |
类似零件编号 - 74HC191D |
|
类似说明 - 74HC191D |
|
|
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 |