- Right Shift Register Verilog
- Universal Shift Register Verilog Code
- Parallel Input Serial Output Shift Register Verilog Codes
Verilog code for an 8-bit shift-left register with a positive-edge clock, serial in. Input clk Re: verilog code for serial in parallel out shift register The OP looks. Bit serial shift in and shift out register without enable signal. Verilog codes parallel in serial (PISO) shift register. The output of the shift register block is an 8-bit parallel data and should be updated. For a parallel-to-serial conversion, the 8-bit register is first loaded with the input. HDL Code for a Shift Register The behavioral Verilog code for a 4-bit.
8-bit parallel-in/serial-out shift register
The 74LV165 is an 8-bit parallel-load or serial-in shift register with complementary serial outputs (Q7 and Q7) available from the last stage. When the parallel-load input (PL) is LOW, parallel data from the inputs D0 to D7 are loaded into the register asynchronously. When input PL is HIGH, data enters the register serially at the input DS. It shifts one place to the right (Q0→Q1→Q2, etc.) with each positive-going clock transition. This feature allows parallel-to-serial converter expansion by tying the output Q7 to the input DS of the succeeding stage.
Shift Register PISO DESIGN Verilog Program- Shift Register PISO `timescale 1ns / 1ps ///// // Company: TMP // Create Date: 08:15:45 // Module Name: ShiftRegisterPISO // Project Name: Shift Register Parallel Input Serial Output ///// module ShiftregisterPISO(Clk, ParallelIn,load, SerialOut); input. A shift register is a type of digital circuit using a cascade of flip flops where the output of one flip-flop is connected to the input of the next. They share a single clock signal, which causes the data stored in the system to shift from one location to the next.By connecting the last flip-flop back to the first, the data can cycle within the shifters for extended periods, and in this form. Serial-In Parallel-Out shift Register (SIPO) The shift register, which allows serial input (one bit after the other through a single data line) and produces a parallel output, is known as the Serial-In Parallel-Out shift register. The logic circuit given below shows a serial-in-parallel-out shift register.
The clock input is a gate-OR structure which allows one input to be used as an active LOW clock enable input (CE) input. The pin assignment for the inputs CP and CE is arbitrary and can be reversed for layout convenience. The LOW-to-HIGH transition of the input CE should only take place while CP HIGH for predictable operation. Either the CP or the CE should be HIGH before the LOW-to-HIGH transition of PL to prevent shifting the data when PL is activated.
Features and benefits
- Wide supply voltage range from 1.0 V to 5.5 V
- Synchronous parallel-to-serial applications
- Optimized for low voltage applications: 1.0 V to 3.6 V
- Synchronous serial input for easy expansion
- Latch-up performance exceeds 250 mA
- 5.5 V tolerant inputs/outputs
- Direct interface with TTL levels (2.7 V to 3.6 V)
- Power-down mode
- Complies with JEDEC standards:
- JESD8-5 (2.3 V to 2.7 V)
- JESD8B/JESD36 (2.7 V to 3.6 V)
- JESD8-1A (4.5 V to 5.5 V)
- ESD protection:
- HBM JESD22-A114-A exceeds 2000 V
- MM JESD22-A115-A exceeds 200 V
- Specified from -40°C to +85°C and from -40°C to +125°C
Parametrics
| Type number | VCC (V) | Logic switching levels | Output drive capability (mA) | tpd (ns) | fmax (MHz) | No of bits | Tamb (°C) | Rth(j-c) (K/W) | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 74LV165D | Production | 1.0 - 5.5 | TTL | ± 12 | 18 | 78 | 8 | low | -40~125 | 91 | 9.3 | 51 | SO16 |
| 74LV165DB NRND | Not for design in | SSOP16 | |||||||||||
| 74LV165PW | Production | 1.0 - 5.5 | TTL | ± 12 | 18 | 78 | 8 | low | -40~125 | 120 | 3.3 | 48.7 | TSSOP16 |
Package
| Package | Package information | Reflow-/Wave soldering | Status | ||||
|---|---|---|---|---|---|---|---|
| 74LV165D | SO16 (SOT109-1) | SOT109-1 | SO-SOJ-REFLOW SO-SOJ-WAVE | Reel 13' Q1/T1 | Active | 74LV165D | 74LV165D,118 (9351 560 60118) |
| Bulk Pack | Active | 74LV165D | 74LV165D,112 (9351 560 60112) | ||||
| 74LV165DB NRND | SSOP16 (SOT338-1) | SOT338-1 | SSOP-TSSOP-VSO-REFLOW SSOP-TSSOP-VSO-WAVE | Reel 13' Q1/T1 | Active | LV165 | 74LV165DB,118 (9351 660 30118) |
| Bulk Pack | Active | LV165 | 74LV165DB,112 (9351 660 30112) | ||||
| 74LV165PW | TSSOP16 (SOT403-1) | SOT403-1 | SSOP-TSSOP-VSO-WAVE | Reel 13' Q1/T1 | Active | LV165 | 74LV165PW,118 (9351 745 40118) |
| Bulk Pack | Active | LV165 | 74LV165PW,112 (9351 745 40112) |
Quality, reliability & chemical content
| Leadfree conversion date | ||||||||
|---|---|---|---|---|---|---|---|---|
| 74LV165D | 74LV165D,118 | 74LV165D | week 6, 2004 | 144.9 | 10.23 | 9.78E7 | 1 | 1 |
| 74LV165D | 74LV165D,112 | 74LV165D | week 6, 2004 | 144.9 | 10.23 | 9.78E7 | 1 | 1 |
| 74LV165DB NRND | 74LV165DB,118 | 74LV165DB | week 12, 2005 | 1 | 1 | |||
| 74LV165DB NRND | 74LV165DB,112 | 74LV165DB | week 12, 2005 | 1 | 1 | |||
| 74LV165PW | 74LV165PW,118 | 74LV165PW | week 17, 2005 | 144.9 | 10.23 | 9.78E7 | 1 | 1 |
| 74LV165PW | 74LV165PW,112 | 74LV165PW | week 17, 2005 | 144.9 | 10.23 | 9.78E7 | 1 | 1 |
Right Shift Register Verilog
Quality and reliability disclaimerDocumentation (10)
Universal Shift Register Verilog Code
| File name | Title | Type | Date |
|---|---|---|---|
| 74LV165 | 8-bit parallel-in/serial-out shift register | Data sheet | 2017-03-17 |
| Nexperia_Selection_guide_2020 | Nexperia Selection Guide 2020 | Selection guide | 2020-01-31 |
| SO-SOJ-REFLOW | Footprint for reflow soldering | Reflow soldering | 2009-10-08 |
| SO-SOJ-WAVE | Footprint for wave soldering | Wave soldering | 2009-10-08 |
| SOT109-1 | plastic, small outline package; 16 leads; 1.27 mm pitch; 9.9 mm x 3.9 mm x 1.35 mm body | Package information | 2020-04-21 |
| SSOP-TSSOP-VSO-WAVE | Footprint for wave soldering | Wave soldering | 2009-10-08 |
| SOT403-1 | plastic, thin shrink small outline package; 16 leads; 5 mm x 4.4 mm x 1.1 mm body | Package information | 2020-04-21 |
| SSOP-TSSOP-VSO-REFLOW | Footprint for reflow soldering | Reflow soldering | 2009-10-08 |
| SSOP-TSSOP-VSO-WAVE | Footprint for wave soldering | Wave soldering | 2009-10-08 |
| SOT338-1 | plastic, shrink small outline package; 16 leads; 0.65 mm pitch; 6.2 mm x 5.3 mm x 2 mm body | Package information | 2020-04-21 |
Support
If you are in need of design/technical support, let us know and fill in the answer form, we'll get back to you shortly.
Parallel Input Serial Output Shift Register Verilog Codes
Ordering, pricing & availability
Sample
As a Nexperia customer you can order samples via our sales organization or directly via our Online Sample Store: https://extranet.nexperia.com.
Sample orders normally take 2-4 days for delivery.
If you do not have a direct account with Nexperia our network of global and regional distributors is available and equipped to support you with Nexperia samples.