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SN74ABTH25245DWE4 数据表(PDF) 5 Page - Texas Instruments |
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SN74ABTH25245DWE4 数据表(HTML) 5 Page - Texas Instruments |
5 / 10 page SN54ABTH25245, SN74ABTH25245 25- Ω OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS SCBS251F – JUNE 1992 – REVISED MAY 1997 5 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS SN54ABTH25245 SN74ABTH25245 UNIT PARAMETER TEST CONDITIONS MIN TYP† MAX MIN TYP† MAX UNIT VIK VCC = 4.5 V, II = –18 mA –1.2 –1.2 V A port VCC = 4.75 V, IOH = –3 mA 2.7 2.7 A port VCC = 4.5 V, IOH = –80 mA 2.4 2.4 VOH VCC = 4.5 V, IOH = –3 mA 2.5 2.5 V B port VCC = 5 V, IOH = –3 mA 3 3 VCC = 4.5 V, IOH = –32 mA 2* 2 A port VCC =4 5V IOL = 94 mA 0.55 0.55 VOL A port VCC = 4.5 V IOL = 188 mA 0.7 0.7 V B port VCC = 4.5 V, IOL = 64 mA 0.55* 0.55 Vhys 100 100 mV II Control inputs VCC = 0 to 5.5 V, VI = VCC or GND ±1 ±1 µA II A or B ports VCC = 2.1 V to 5.5 V, VI = VCC or GND ±20 ±20 µA II(h ld) AorB ports VCC =4 5V VI = 0.8 V 100 100 µA II(hold) A or B ports VCC = 4.5 V VI = 2 V –100 –100 µA IOZPU‡ VCC = 0 to 2.1 V, VO = 0.5 V to 2.7 V, OE = X ±50 ±50 µA IOZPD‡ VCC = 2.1 V to 0, VO = 0.5 V to 2.7 V, OE = X ±50 ±50 µA Ioff VCC = 0, VI or VO ≤ 4.5 V ±100 ±100 µA ICEX VCC = 5.5 V, VO = 5.5 V 50 50 µA IO§ B port VCC = 5.5 V, VO = 2.5 V –50 –210 –50 –210 mA VCC = 5.5 V, Outputs high 500 500 µA ICC VCC = 5.5 V, Outputs open, Outputs low 20 20 mA VI = VCC or GND Outputs disabled 500 500 µA ∆ICC¶ VCC = 5.5 V, One input at 3.4 V, Other inputs at VCC or GND 1 1 mA Ci Control inputs VCC = 5 V, VI = VCC or GND 4 4 pF Cio A or B ports VCC = 5 V, VO = VCC or GND 11.5 11.5 pF * On products compliant to MIL-PRF-38535, this parameter does not apply. † All typical values are at VCC = 5 V, TA = 25°C. ‡ This parameter is characterized, but not production tested. § 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. PRODUCT PREVIEW information concerns products in the formative or design phase of development. Characteristic data and other specifications are design goals. Texas Instruments reserves the right to change or discontinue these products without notice. |
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