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The SCLT3 series provides an 8-line protected digital input termination with serialized state transfer.
This device enhances the I/O module density by cutting the dissipation (78 mW per input) and reducing the count of opto-transistors.
An adjustable digital filter and an LED driver are embedded in each type 3 input section. Its 2 MHz SPI peripheral output serializes the input state transfer to the I/O module controller.Key Features
- 8 inputs - 8-bit SPI output
- High side input with common ground
- 5 V voltage regulator
- Package: QFN 7x7 - 48L or HTSSOP-38
- 35 V reverse polarity capable
- Adjustable current limiters
- LED output for visual status
- Optional: 16-bit mode with parity check, temperature and voltage alarms
- Daisy chain capable
- Input digital filter with adjustable delay: 20 µs to 3 ms
- Power dissipation: 78 mW per channel
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Sample & Buy
| Part Number | Package | Packing Type | Marketing Status | Budgetary Price (US$)* | Quantity | ECCN (US) | Country of Origin | Order from Distributors | Order from ST |
|---|---|---|---|---|---|---|---|---|---|
| SCLT3-8BT8-TR | HTSSOP38 | Tape And Reel | Active | 2.4791 | 100 | EAR99 | MALAYSIA | Check Availability | |
| SCLT3-8BT8 | HTSSOP38 | Tube | Active | 2.4791 | 100 | EAR99 | MALAYSIA | Check Availability | Buy now |
SCLT3-8BT8-TR
Package
HTSSOP38Packing Type
Tape And ReelUnit Price (US$)
2.4791*(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors
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Picture Part number Manufacturer Description 
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Solutions & Reference Designs
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Picture Part number Manufacturer Description 
STEVAL-IFP007V1 -- 16-bit PLC digital input card demonstration board based on the SCLT3 Part Number16-bit PLC digital input card demonstration board based on the SCLT3
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| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|---|
| SCLT3-8BT8 | Active | HTSSOP38 | Industrial | Ecopack2 | |
| SCLT3-8BT8-TR | Active | HTSSOP38 | Industrial | Ecopack2 | |
SCLT3-8BT8
Package:
HTSSOP38Material Declaration**:
SCLT3-8BT8-TR
Package:
HTSSOP38Material Declaration**:
(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
