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SN74ACT8990 Fiches technique(PDF) 7 Page - Texas Instruments |
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SN74ACT8990 Fiches technique(HTML) 7 Page - Texas Instruments |
7 / 15 page SN54ACT8990, SN74ACT8990 TEST-BUS CONTROLLERS IEEE STD 1149.1 (JTAG) TAP MASTERS WITH 16-BIT GENERIC HOST INTERFACES SCAS190E – JUNE 1990 – REVISED JANUARY 1997 7 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS TA = 25°C SN54ACT8990 SN74ACT8990 UNIT PARAMETER TEST CONDITIONS MIN TYP† MAX MIN MAX MIN MAX UNIT VCC =4 5V IOH = –20 µA 4.4 4.4 4.4 VOH VCC = 4.5 V IOH = –8 mA 3.7 3.7 3.7 V VOH VCC =5 5V IOH = –20 µA 5.4 5.4 5.4 V VCC = 5.5 V IOH = –8 mA 4.7 4.7 4.7 VOL VCC = 4.5 V IOL = 20 µA 0.1 0.1 0.1 V VOL CC to 5.5 V IOL = 8 mA 0.5 0.5 0.5 V I ADRS, RD, WR, TCKI VCC = 5.5 V, VI = VCC or GND ±1 ±1 ±1 A II TDI, TOFF, VCC =5 5V VI = VCC ±1 ±1 ±1 µA TDI, TOFF, TRST VCC = 5.5 V VI = GND –35 –70 –250 –35 –250 –35 –250 I ‡ INT, RDY, TCKO, TDO, TMS VCC = 5.5 V, VO = VCC or GND ±10 ±10 ±10 A IOZ‡ DATA, VCC =5 5V VO = VCC ±10 ±10 ±10 µA , TMS/EVENT VCC = 5.5 V VO = GND –35 –70 –250 –35 –250 –35 –250 VCC = 5.5 V, VI =VCC or GND 450* 450 450 µA I IO = 0, VI = VCC or GND 450* 450 450 µA ICC VCC = 5.5 V, CL = 50 pF 100 mA fclock = 30 MHz 100 mA Ci VI = VCC or GND 5* pF Cio VI = VCC or GND 9* pF Co VI = VCC or GND 8* pF * On products compliant to MIL-PRF-38535, this parameter does not apply. † Typical values are at VCC = 5 V. ‡ For I/O ports, the parameter IOZ includes the input leakage. |
Numéro de pièce similaire - SN74ACT8990 |
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Description similaire - SN74ACT8990 |
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