数据搜索系统,热门电子元器件搜索 |
|
SN74AC245DBR 数据表(PDF) 4 Page - Texas Instruments |
|
|
SN74AC245DBR 数据表(HTML) 4 Page - Texas Instruments |
4 / 18 page SN54AC245, SN74AC245 OCTAL BUS TRANSCEIVERS WITH 3STATE OUTPUTS SCAS461F − FEBRUARY 1995 − REVISED OCTOBER 2003 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS VCC TA = 25°C SN54AC245 SN74AC245 UNIT PARAMETER TEST CONDITIONS VCC MIN TYP MAX MIN MAX MIN MAX UNIT 3 V 2.9 2.9 2.9 IOH = −50 mA 4.5 V 4.4 4.4 4.4 IOH = −50 mA 5.5 V 5.4 5.4 5.4 VOH IOH = −12 mA 3 V 2.56 2.4 2.46 V VOH IOH = −24 mA 4.5 V 3.86 3.7 3.76 V IOH = −24 mA 5.5 V 4.86 4.7 4.76 IOH = −50 mA† 5.5 V 3.85 IOH = −75 mA† 5.5 V 3.85 3 V 0.002 0.1 0.1 0.1 IOL = 50 mA 4.5 V 0.001 0.1 0.1 0.1 IOL = 50 mA 5.5 V 0.001 0.1 0.1 0.1 VOL IOL = 12 mA 3 V 0.36 0.5 0.44 V VOL IOL = 24 mA 4.5 V 0.36 0.5 0.44 V IOL = 24 mA 5.5 V 0.36 0.5 0.44 IOL = 50 mA† 5.5 V 1.65 IOL = 75 mA† 5.5 V 1.65 II A or B ports‡ VI = VCC or GND 5.5 V ±0.1 ±1 ±1 A II OE or DIR VI = VCC or GND 5.5 V ±0.1 ±1 ±1 mA IOZ VO = VCC or GND, VI(OE) = VIL or VIH 5.5 V ±0.5 ±10 ±5 mA ICC VI = VCC or GND, IO = 0 5.5 V 4 80 40 mA Ci VI = VCC or GND 5 V 4.5 pF Cio VO = VCC or GND 5 V 15 pF † Not more than one output should be tested at a time, and the duration of the test should not exceed 2 ms. ‡ For I/O ports, the parameter IOZ includes the input leakage current. switching characteristics over recommended operating free-air temperature range, VCC = 3.3 V " 0.3 V (unless otherwise noted) (see Figure 1) PARAMETER FROM TO TA = 25°C SN54AC245 SN74AC245 UNIT PARAMETER FROM (INPUT) TO (OUTPUT) MIN TYP MAX MIN MAX MIN MAX UNIT tPLH A or B B or A 1.5 5 8.5 1 11.5 1 9 ns tPHL A or B B or A 1.5 5 8.5 1 10 1 9 ns tPZH OE A or B 2.5 7 11.5 1 13.5 2 12.5 ns tPZL OE A or B 2.5 7.5 12 1 14.5 2 13.5 ns tPHZ OE A or B 2 6.5 12 1 13.5 1 12.5 ns tPLZ OE A or B 2 7 11.5 1 14 1.5 13 ns |
类似零件编号 - SN74AC245DBR |
|
类似说明 - SN74AC245DBR |
|
|
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 |