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SN74ABT646APWR 数据表(PDF) 6 Page - Texas Instruments |
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SN74ABT646APWR 数据表(HTML) 6 Page - Texas Instruments |
6 / 24 page SN54ABT646A, SN74ABT646A OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3STATE OUTPUTS SCBS069H − JULY 1991 − REVISED MAY 2004 6 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 SN54ABT646A SN74ABT646A 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 = 4.5 V IOH = −24 mA 2 2 V VCC = 4.5 V IOH = −32 mA 2* 2 VOL VCC = 4.5 V 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 A II A or B ports VCC = 5.5 V, VI = VCC or GND ±100 ±100 ±100 µA 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 250 250 250 µA ICC VCC = 5.5 V, IO = 0, V = V or GND Outputs low 30 30 30 mA ICC IO = 0, VI = VCC or GND Outputs disabled 250 250 250 µA ∆ICC# VCC = 5.5 V, One input at 3.4 V, Other inputs at VCC or GND 1.5 1.5 1.5 mA Ci Control inputs VI = 2.5 V or 0.5 V 7 pF Cio A or B ports VO = 2.5 V or 0.5 V 12 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. § This data-sheet limit may vary among suppliers. ¶ 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. timing requirements over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 2) SN54ABT646A VCC = 5 V, TA = 25°C MIN MAX UNIT MIN MAX MIN MAX fclock Clock frequency 125 125 MHz tw Pulse duration, CLK high or low 4 4 ns tsu Setup time, A or B before CLKAB ↑ or CLKBA↑ 3 3.5 ns th Hold time, A or B after CLKAB ↑ or CLKBA↑ 1.5 1.5 ns |
类似零件编号 - SN74ABT646APWR |
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类似说明 - SN74ABT646APWR |
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