Product Summary

The SN54S373J is a octal edge-triggered D-type flip-flop with 3-state outputs. The SN54S373J 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. The eight flip-flops of the SN54S373J are edge-triggered D-type flip-flops. On the positive transition of the clock (CLK) input, the Q outputs are set to the logic levels that were set up at the data (D) inputs.

Parametrics

SN54S373J absolute maximum ratings: (1)Supply voltage range, VCC: –0.5V to 7V; (2)Input clamp current, IIK (VI< 0 or VI> VCC): ±20mA; (3)Output clamp current, IOK (VO < 0 or VO > VCC): ±20mA; (4)Continuous output current, IO (VO = 0 to VCC): ±35mA; (5)Continuous current through VCC or GND: ±70mA; (6)Package thermal impedance, θJA (see Note 2): DB package: 70℃/W; (7)DW package: 58℃/W; (8)N package: 69℃/W; (9)NS package: 60℃/W; (10)PW package: 83℃/W; (11)Storage temperature range, Tstg:–65℃ to 150℃.

Features

SN54S373J features: (1) Wide Operating Voltage Range of 2 V to 6 V; (2) High-Current 3-State True Outputs Can Drive Up To 15 LSTTL Loads; (3) Eight D-Type Flip-Flops in a Single Package; (4) Full Parallel Access for Loading; (5) Low Power Consumption, 80μA Max ICC; (6) Typical tpd = 14ns; (7) ±6mA Output Drive at 5V; (8) Low Input Current of 1μA Max.

Diagrams

SN54S373J block diagram

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