数据搜索系统,热门电子元器件搜索 |
|
74AHC244BQ 数据表(PDF) 7 Page - NXP Semiconductors |
|
74AHC244BQ 数据表(HTML) 7 Page - NXP Semiconductors |
7 / 16 page 74AHC_AHCT244_5 © NXP B.V. 2007. All rights reserved. Product data sheet Rev. 05 — 20 December 2007 7 of 16 NXP Semiconductors 74AHC244; 74AHCT244 Octal buffer/line driver; 3-state 10. Dynamic characteristics Table 7. Dynamic characteristics GND = 0 V. For test circuit see Figure 8. Symbol Parameter Conditions 25 °C −40 °C to +85 °C −40 °C to +125 °C Unit Min Typ[1] Max Min Max Min Max For type 74AHC244 tpd propagation delay nAn to nYn; see Figure 6 [2] VCC = 3.0 V to 3.6 V CL = 15 pF - 5.0 8.4 1.0 10.0 1.0 10.5 ns CL = 50 pF - 7.0 11.9 1.0 13.5 1.0 15.0 ns VCC = 4.5 V to 5.5 V CL = 15 pF - 3.4 5.5 1.0 6.5 1.0 7.0 ns CL = 50 pF 5.0 7.5 1.0 8.5 1.0 9.5 ns ten enable time nOE to nYn; see Figure 7 [2] VCC = 3.0 V to 3.6 V CL = 15 pF - 6.5 10.6 1.0 12.5 1.0 13.5 ns CL = 50 pF - 7.5 14.1 1.0 16.0 1.0 18.0 ns VCC = 4.5 V to 5.5 V CL = 15 pF - 4.0 7.3 1.0 8.5 1.0 9.5 ns CL = 50 pF - 5.5 9.3 1.0 10.5 1.0 12.0 ns tdis disable time nOE to nYn; see Figure 7 [2] VCC = 3.0 V to 3.6 V CL = 15 pF - 5.5 9.7 1.0 11.0 1.0 12.5 ns CL = 50 pF - 10.0 14.0 1.0 16.0 1.0 17.5 ns VCC = 4.5 V to 5.5 V CL = 15 pF - 4.8 7.2 1.0 8.5 1.0 9.0 ns CL = 50 pF - 7.0 9.2 1.0 10.5 1.0 11.5 ns CPD power dissipation capacitance CL = 50 pF; fi = 1 MHz; VI = GND to VCC [3] -10 - - - - - pF |
类似零件编号 - 74AHC244BQ |
|
类似说明 - 74AHC244BQ |
|
|
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 |