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Microchip Technology HCS200T/SN
- Part No.:
- HCS200T/SN
- Manufacturer:
- Microchip Technology
- Category:
- Specialized ICs
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Description:
- IC CODE HOPPING ENCODER 8SOIC
- Quantity:
Unit Price:$1.19
Ext Price:$3927.00
- Payment:
- Shipping:
Product Details
HCS200T/SN - KEELOQ Code-Hopping Encoder
HCS200T/SN from Microchip Technology is a code-hopping encoder for remote-keyless-entry transmitters, supplied on tape and reel in an 8-SOIC (0.154", 3.90mm Width) package.
The exact ordering suffix, temperature grade, electrical limits and pin functions were checked against Microchip's HCS200 data sheet. Sourcing data is maintained separately.
Overview
The HCS200 generates a changing 66-bit transmission word when a switch input is activated. It combines a 32-bit hopping portion with a 28-bit serial number and six information bits. The device is intended for a transmitter paired with a compatible KEELOQ receiver or decoder; it does not include an RF power stage.
Key Advantages
Code hopping changes the transmitted word after each activation when the system is correctly implemented.
The encoder incorporates nonvolatile memory, an oscillator and timing circuitry.
S0, S1 and S2 support seven input combinations.
The ordering code has no -I suffix; Microchip assigns the blank option an ambient range of 0°C to +70°C.
Feature Summary
Programmable 64-bit crypt key and 28-bit serial number.
PWM encoded serial output intended for a separate RF transmitter stage.
3.5 V to 13.0 V normal operating range.
HCS200T denotes tape and reel; SN denotes an 8-lead, 150-mil-body SOIC.
Package & Footprint
The registered package is 8-SOIC (0.154", 3.90mm Width). The local package illustration is a family reference, not a substitute for Microchip's mechanical drawing.
- Confirm pin 1 orientation against the manufacturer drawing.
- Use current SOIC land-pattern dimensions for PCB release.
- Verify reel orientation and assembly handling with the supplier.
The package registry marks this JPG as present; the local file decodes as a JPEG.
Pin Functions
Microchip's top-view PDIP/SOIC diagram assigns the following HCS200 pins:
Do not infer step-up pins from the related HCS201; HCS200 pins 4 and 7 are NC.
Key Specifications
| Function | KEELOQ code-hopping encoder |
|---|---|
| Supply voltage | 3.5 V to 13.0 V |
| Ambient temperature | 0°C to +70°C, blank temperature option |
| Transmission word | 66 bits |
| Hopping portion | 32 bits |
| Crypt key | 64-bit programmable key |
| Serial number | 28 bits |
| Information bits | 6 per transmitted word |
| Switch inputs | Three; seven combinations |
| Package | 8-lead SOIC, 150-mil body |
| Order packaging | Tape and reel |
Check full electrical and timing tables for the actual operating conditions.
Replacement Considerations
The catalog-listed HCS200/SN is the same commercial-grade SOIC family device in tube packing. The catalog-listed HCS200T-I/SN retains tape-and-reel packing but uses the industrial temperature option. Check procurement, marking, programming and receiver key strategy before changing either ordering code.
Other KEELOQ encoders can differ in frame format, voltage, temperature or pin assignment. Do not infer a drop-in replacement from the package name alone.
Manufacturer Information
Microchip Technology identifies HCS200 as a code-hopping encoder. Its product identification system assigns T to tape-and-reel packing, a blank temperature field to 0°C through +70°C, I to -40°C through +85°C, and SN to the 8-lead SOIC. Verify the latest manufacturer notices for production orders.
Applications
Encodes button commands for a learned receiver.
Supplies changing command frames to a separate transmitter stage.
Provides encoded control data for a compatible decoder.
Serves as an encoding element in a unidirectional access-control design.
Quality & Authenticity
Confirm the full order code, reel label, date and lot traceability. Protect crypt-key material during programming. Test the programmed transmitter with the intended receiver and RF circuit before release.
FAQ
Does this IC contain an RF transmitter?
No. PWM supplies encoded data to a separate transmitter circuit.
What does the missing -I suffix mean?
The blank temperature option is 0°C to +70°C, not the industrial -40°C to +85°C range.
Can HCS200/SN replace it?
The related silicon and package are the same family, but packing and system provisioning require confirmation.
Is the package image available?
Yes. The registered local 8-SOIC JPG is present.
Engineering Notice
Use Microchip's current HCS200 data sheet and programming specification for schematic, footprint, provisioning and system validation. Security depends on key handling and receiver design as well as the encoder. Distributor stock and price are separate, time-sensitive sourcing data.
HCS200T/SN Information
- Specifications
- Tags
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- KEELOQ®
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Verified
- Type:
- Code Hopping Encoder
- Applications:
- Remote Secure Access, Keyless Entry
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
- Grade:
- -
- Qualification:
- -
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