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74F244 데이터시트(PDF) 4 Page - NXP Semiconductors |
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74F244 데이터시트(HTML) 4 Page - NXP Semiconductors |
4 / 12 page Philips Semiconductors Product specification 74F244/74F244B Octal buffers (3-State) 1994 Dec 5 4 ABSOLUTE MAXIMUM RATINGS (Operation beyond the limit set forth in this table may impair the useful life of the device. Unless otherwise noted these limits are over the operating free air temperature range.) SYMBOL PARAMETER RATING UNIT VCC Supply voltage -0.5 to +7.0 V VIN Input voltage -0.5 to +7.0 V IIN Input current -30 to +5 mA VOUT Voltage applied to output in high output state -0.5 to VCC V IOUT Current applied to output in low output state 128 mA T Oti f i t t Commercial range 0 to +70 °C Tamb Operating free air temperature range Industrial range (74F244 only) -40 to +85 °C Tstg Storage temperature range -65 to +150 °C RECOMMENDED OPERATING CONDITIONS SYMBOL PARAMETER LIMITS UNIT SYMBOL PARAMETER MIN NOM MAX UNIT VCC Supply voltage 4.5 5.0 5.5 V VIN High-level input voltage 2.0 V VIL Low-level input voltage 0.8 V IIK Input clamp current –18 mA IOH High-level output current –15 mA iol Low-level output current 64 mA T Oti f i t t Commercial range 0 +70 °C Tamb Operating free air temperature range Industrial range (74F244 only) –40 +85 °C |
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