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SN74LVT244BPWE4 Datasheet(PDF) 4 Page - Texas Instruments |
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SN74LVT244BPWE4 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 17 page SN74LVT244B 3.3V ABT OCTAL BUFFER/DRIVER WITH 3STATE OUTPUTS SCAS354J − FEBRUARY 1994 − REVISED SEPTEMBER 2003 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT VIK VCC = 2.7 V, II = −18 mA −1.2 V VCC = 2.7 V to 3.6 V, IOH = −100 µA VCC−0.2 VOH VCC = 2.7 V, IOH = −8 mA 2.4 V VOH VCC = 3 V, IOH = −32 mA 2 V VCC = 2.7 V IOL = 100 µA 0.2 VCC = 2.7 V IOL = 24 mA 0.5 VOL IOL = 16 mA 0.4 V VOL VCC = 3 V IOL = 32 mA 0.5 V VCC = 3 V IOL = 64 mA 0.55 Control inputs VCC = 0 or 3.6 V, VI = 5.5 V 10 II Control inputs VCC = 3.6 V, VI = VCC or GND ±1 A II Data inputs VCC = 3.6 V VI = VCC 1 µA Data inputs VCC = 3.6 V VI = 0 −5 Ioff VCC = 0, VI or VO = 0 to 4.5 V ±100 µA IOZH VCC = 3.6 V, VO = 3 V 5 µA IOZL VCC = 3.6 V, VO = 0.5 V −5 µA IOZPU VCC = 0 to 1.5 V, VO = 0.5 V to 3 V, OE = don’t care ±100 µA IOZPD VCC = 1.5 V to 0, VO = 0.5 V to 3 V, OE = don’t care ±100 µA VCC = 3.6 V, Outputs high 0.19 ICC VCC = 3.6 V, IO = 0, V = V or GND Outputs low 5 mA ICC IO = 0, VI = VCC or GND Outputs disabled 0.19 mA ∆ICC‡ VCC = 3 V to 3.6 V, One input at VCC − 0.6 V, Other inputs at VCC or GND 0.2 mA Ci VI = 3 V or 0 4 pF Co VO = 3 V or 0 7 pF † All typical values are at VCC = 3.3 V, TA = 25°C. ‡ This is the increase in supply current for each input that is at the specified TTL voltage level, rather than VCC or GND. switching characteristics over recommended operating free-air temperature range, CL = 50 pF (unless otherwise noted) (see Figure 1) PARAMETER FROM (INPUT) TO (OUTPUT) VCC = 3.3 V ± 0.3 V VCC = 2.7 V UNIT PARAMETER (INPUT) (OUTPUT) MIN TYP† MAX MIN MAX UNIT tPLH A Y 1.1 2.3 3.5 3.8 ns tPHL A Y 1.3 2.1 3.3 3.6 ns tPZH OE Y 1.1 2.5 4.5 5.3 ns tPZL OE Y 1.4 2.7 4.4 4.9 ns tPHZ OE Y 1.9 2.8 4.4 4.5 ns tPLZ OE Y 1.8 2.9 4.4 4.4 ns † All typical values are at VCC = 3.3 V, TA = 25°C. |
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