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74ALS574AN Datasheet(PDF) 5 Page - NXP Semiconductors |
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74ALS574AN Datasheet(HTML) 5 Page - NXP Semiconductors |
5 / 13 page Philips Semiconductors Product specification 74ALS573B/74ALS574A Latch/flip-flop 1991 Feb 08 5 FUNCTION TABLE – 74ALS574A INPUTS OUTPUTS INTERNAL OPERATING MODE OE CP Dn REGISTER Q0 – Q7 OPERATING MODE L ↑ l L L Latch and read register L ↑ h H H Latch and read register L ↑ X NC NC Hold H ↑ X NC Z Disable outputs H ↑ Dn Dn Z Disable outputs H = High-voltage level h = High state must be present one setup time before the Low-to-High clock transition L = Low-voltage level l = Low state must be present one setup time before the Low-to-High clock transition NC= No change X = Don’t care Z = High impedance “off” state ↑ = Low-to-High clock transition ↑ = Not Low-to-High clock transition 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 48 mA Tamb Operating free-air temperature range 0 to +70 °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 VIH 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 –2.6 mA IOL Low-level output current 24 mA Tamb Operating free-air temperature range 0 +70 °C |
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