Product Summary
The 74HC594D is a high-speed, Si-gate CMOS device, and is pin compatible with low power Schottky TTL (LSTTL). The device is specified in compliance with JEDEC standard No. 7A. The 74HC594D contains an 8-bit, non-inverting, serial-in, parallel-out shift register that feeds an 8-bit D-type storage register. Separate clocks and direct overriding clears are provided on both the shift and storage registers. A serial output (Q7’) is provided for cascading purposes. The applications of the 74HC594D include Serial-to parallel data conversion, Remote control holding register.
Parametrics
74HC594D absolute maximum ratings: (1)tPHL/tPLH propagation delay CL = 15 pF; VCC = 5 V, SHCP to Q7’: 13ns; STCP to Qn: 13ns; SHR to Qn: 11 ns; STR to Qn: 11 ns; (2)fmax maximum clock frequency SHCP, STCP: 100 MHz; (3)CI input capacitance: 3.5 pF; (4)CPD power dissipation capacitance per package: 84pF.
Features
74HC594D features: (1)Synchronous serial input and output; (2)8-bit parallel output; (3)Shift and storage register have independent direct clear and clocks; (4)100 MHz (typ.); (5)Output capability: parallel outputs: bus driver; serial outputs: standard; (6)ICC category: MSI.
Diagrams
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![]() 74HC594DB-T |
![]() NXP Semiconductors |
![]() Counter Shift Registers 8-BIT SHIFT REG W/OUTPUT REG |
![]() Data Sheet |
![]() Negotiable |
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