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SN74ABT16646 데이터시트(PDF) 7 Page - Texas Instruments |
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SN74ABT16646 데이터시트(HTML) 7 Page - Texas Instruments |
7 / 15 page SN54ABT16646, SN74ABT16646 16-BIT BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS SCBS212D – JUNE 1992 – REVISED JULY 1999 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 SN54ABT16646 SN74ABT16646 UNIT PARAMETER TEST CONDITIONS MIN TYP† MAX MIN MAX MIN MAX UNIT VIK VCC = 4.5 V, II = –18 mA –1.2 –1.2 –1.2 V VCC = 4.5 V, IOH = –3 mA 2.5 2.5 2.5 VOH VCC = 5 V, IOH = –3 mA 3 3 3 V VOH VCC =4 5V IOH = –24 mA 2 2 V VCC = 4.5 V IOH = –32 mA 2* 2 VOL VCC =4 5V IOL = 48 mA 0.55 0.55 V VOL VCC = 4.5 V IOL = 64 mA 0.55* 0.55 V Vhys 100 mV II Control inputs VCC = 5.5 V, VI = VCC or GND ±1 ±1 ±1 µA I A or B ports CC , ICC ±20 ±20 ±20 µ IOZH‡ VCC = 5.5 V, VO = 2.7 V 10 10 10 µA IOZL‡ VCC = 5.5 V, VO = 0.5 V –10 –10 –10 µA Ioff VCC = 0, VI or VO ≤ 4.5 V ±100 ±100 µA ICEX VCC = 5.5 V, VO = 5.5 V Outputs high 50 50 50 µA IO§ VCC = 5.5 V, VO = 2.5 V –50 –100 –180 –50 –180 –50 –180 mA VCC = 5.5 V, Outputs high 2 2 2 ICC A or B ports VCC = 5.5 V, IO = 0, Outputs low 32 32 32 mA VI = VCC or GND Outputs disabled 2 2 2 ¶ Data inputs VCC = 5.5 V, One input at 3.4 V, Outputs enabled 50 50 50 ∆ICC¶ Data inputs , Other inputs at VCC or GND Outputs disabled 50 50 50 µA Control inputs VCC = 5.5 V, One input at 3.4 V, Other inputs at VCC or GND 50 50 50 Ci Control inputs VI = 2.5 V or 0.5 V 4 pF Cio A or B ports VO = 2.5 V or 0.5 V 8 pF * On products compliant to MIL-PRF-38535, this parameter does not apply. † All typical values are at VCC = 5 V. ‡ The parameters IOZH and IOZL include the input leakage current. § Not more than one output should be tested at a time, and the duration of the test should not exceed one second. ¶ This is the increase in supply current for each input that is at the specified TTL voltage level rather than VCC or GND. |
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