数据搜索系统,热门电子元器件搜索 |
|
SN74ALS280DR 数据表(PDF) 4 Page - Texas Instruments |
|
SN74ALS280DR 数据表(HTML) 4 Page - Texas Instruments |
4 / 14 page SN74ALS280, SN74AS280 9BIT PARITY GENERATORS/CHECKERS SDAS038C − DECEMBER 1982 − REVISED DECEMBER 1994 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443 absolute maximum ratings over operating free-air temperature range (unless otherwise noted)† Supply voltage, VCC 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input voltage, VI 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating free-air temperature range, TA: SN74AS280 0 °C to 70°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage temperature range −65 °C to 150°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . † Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. recommended operating conditions SN74AS280 UNIT MIN NOM MAX UNIT VCC Supply voltage 4.5 5 5.5 V VIH High-level input voltage 2 V VIL Low-level input voltage 0.8 V IOH High-level output current −2 mA IOL Low-level output current 20 mA TA Operating free-air temperature 0 70 °C electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS SN74AS280 UNIT PARAMETER TEST CONDITIONS MIN TYP‡ MAX UNIT VIK VCC = 4.5 V, II = − 18 mA − 1.5 V VOH VCC = 4.5 V to 5.5 V, IOH = − 2 mA VCC −2 V VOL VCC = 4.5 V, IOL = 20 mA 0.35 0.5 V II VCC = 5.5 V, VI = 7 V 0.1 mA IIH VCC = 5.5 V, VI = 2.7 V 20 µA IIL VCC = 5.5 V, VI = 0.4 V − 0.5 mA IO§ VCC = 5.5 V, VO = 2.25 V −30 −112 mA ICC VCC = 5.5 V 25 35 mA ‡ All typical values are at VCC = 5 V, TA = 25°C. § The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, IOS. switching characteristics (see Figure 1) PARAMETER FROM (INPUT) TO (OUTPUT) VCC = 4.5 V to 5.5 V, CL = 50 pF, RL = 500 Ω, TA = MIN to MAX¶ UNIT PARAMETER (INPUT) (OUTPUT) SN74AS280 UNIT MIN MAX tPLH Any Σ EVEN 3 12 ns tPHL Any Σ EVEN 3 11 ns tPLH Any Σ ODD 3 12 ns tPHL Any Σ ODD 3 11.5 ns ¶ For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions. |
类似零件编号 - SN74ALS280DR |
|
类似说明 - SN74ALS280DR |
|
|
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 |