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The SN54LVC574A octal edge-triggered D-type flip-flop is designed for 2.7-V to 3.6-V VCC operation and the SN74LVC574A octal edge-triggered D-type flip-flop is designed for 1.65-V to 3.6-V VCC operation.
These devices feature 3-state outputs designed specifically for driving highly capacitive or relatively low-impedance loads. They are particularly suitable for implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers.
SN74LVC574A Maximum Ratings
Supply voltage range, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-0.5 V to 6.5 V Input voltage range, VI (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5 V to 6.5 V Voltage range applied to any output in the high-impedance or power-off state, VO(see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . .-0.5 V to 6.5 V Voltage range applied to any output in the high or low state, VO (see Notes 1 and 2) . . .. . . . . . . . . . . . . . . . 0.5 V to VCC + 0.5 V Input clamp current, IIK (VI< 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-50 mA Output clamp current, IOK(VO < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-50 mA Continuous output current, IO. . . . . . . . .. . . . .. . . . . . . . . . . . . . . . . .. . . . . .±50 mA Continuous current through VCC or GND . . . . . . . . . . . . . . . . . . . . . . . . . . .±100 mA Package thermal impedance, JA(see Note 3): DB package . .. . . . . . . . . . . .115/W DW package... . . . . .. . . . . . . 97/W PW package . . . . . . . . . . . . 128/W Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-65 to 150