SN74LV595APW Datasheet

Logic - Shift Registers


The SN74LV595APW contain an 8-bit serial-in, parallel-out shift register that feeds an 8-bit D-type storage register. The storage register has parallel 3-state outputs. Separate clocks are provided for both the shift and storage register. The shift register has a direct overriding clear (SRCLR) input, serial (SER) input, and a serial output for cascading. When the output-enable (OE) input is high, all outputs except QH&prime; are in the high-impedance state.Both the shift register clock (SRCLK) and storage register clock (RCLK) are positive-edge triggered. If both clocks are connected together, the shift register always is one clock pulse ahead of the storage register.To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.These devices are fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the devices when they are powered down. SN74LV595APW Features &bull; 2-V to 5.5-V VCC Operation&bull; Max tpd of 7.1 ns at 5 V&bull; Typical VOLP (Output Ground Bounce) <0.8 V at VCC = 3.3 V, TA = 25&deg;C&bull; Typical VOHV (Output VOH Undershoot) >2.3 V at VCC = 3.3 V, TA = 25&deg;C&bull; Support Mixed-Mode Voltage Operation on All Ports&bull; 8-Bit Serial-In, Parallel-Out Shift&bull; Ioff Supports Partial-Power-Down Mode Operation&bull; Shift Register Has Direct Clear&bull; Latch-Up Performance Exceeds 250 mA Per JESD 17&bull; ESD Protection Exceeds JESD 22 &minus; 2000-V Human-Body Model (A114-A) &minus; 200-V Machine Model (A115-A) &minus; 1000-V Charged-Device Model (C101)


[{"Name":"Number of Elements","Value":"1"},{"Name":"Number of Bits per Element","Value":"8"},{"Name":"Voltage - Supply","Value":"2 V ~ 5.5 V"},{"Name":"Operating Temperature","Value":"-40°C ~ 85°C"},{"Name":"Output Type","Value":"Tri-State"},{"Name":"Logic Type","Value":"Shift Register"},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""}]

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