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Microchip Technology HCS101-I/P
- Part No.:
- HCS101-I/P
- Manufacturer:
- Microchip Technology
- Category:
- Specialized ICs
- Package:
- 8-DIP (0.300", 7.62mm)
- Description:
- IC FIXED CODE ENCODER 8DIP
- Quantity:
Unit Price:$0
Ext Price:$0
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- Shipping:
Product Details
HCS101-I/P - Fixed-Code Remote-Control Encoder
Microchip Technology HCS101-I/P is an 8-pin, 300-mil PDIP fixed-code encoder for simple unidirectional remote-control transmitters. The I temperature suffix specifies -40°C to +85°C operation.
Verify transmitter programming, receiver decoding and application security before use. This fixed-code device is not a code-hopping security encoder.
Overview
The HCS101 generates a pulse-width-modulated, 66-bit fixed-code transmission after a button input is asserted. Its EEPROM holds transmitter identity and configuration data, including two programmable 32-bit serial numbers, an additional 10-bit serial number and a nonvolatile 16-bit counter. The device integrates timing and oscillator functions; the transmitter design supplies buttons and an appropriate RF stage.
Key Advantages
Integrated EEPROM, oscillator and timing reduce the external circuitry needed around the button and RF stages.
Three button inputs support up to seven functions when combined as described by the manufacturer.
Specified operation spans 3.5 V to 13.3 V, subject to the manufacturer's electrical limits.
The /P ordering suffix selects an 8-lead plastic dual in-line package with a 300-mil body.
Feature Summary
66-bit PWM code word with serial-number, counter and function information.
On-chip EEPROM stores programmed identity and operating parameters.
Transmission behavior completes a code word after buttons are released.
Automatic power-down supports battery-powered remote controls.
Package & Footprint
HCS101-I/P uses Microchip's 8-lead, 300-mil plastic dual in-line package. The LCDCHIP product record specifies 8-DIP (0.300 in, 7.62 mm), consistent with the manufacturer's /P ordering code. The package registry's normalized name is 8-DIP.
- Use the current Microchip 8-lead PDIP outline for mechanical design.
- Confirm the 300-mil body, pin-1 orientation and through-hole row spacing.
- Do not substitute an 8-SOIC land pattern for this /P variant.
The registered package JPG is pending: the local 8-DIP.jpg file is absent and its production URL currently returns HTTP 404. Do not release this page until the correct image is online and verified.
Pin Functions
Microchip's HCS101 datasheet lists the following pin assignments for the 8-pin PDIP and SOIC variants.
Switch input 0.
Switch input 1.
Switch input 2; clock input in programming mode.
No connection.
Ground reference.
PWM output; data pin in programming mode.
No connection.
Positive supply input.
Keep programming-mode behavior and DATA-line drive conditions in mind when connecting the RF stage.
Key Specifications
| Function | Fixed-code encoder for remote-control transmitters |
|---|---|
| Orderable variant | HCS101-I/P; industrial temperature, plastic DIP |
| Package | 8-lead PDIP, 300-mil body |
| Operating temperature | -40°C to +85°C (I suffix) |
| Operating supply | 3.5 V to 13.3 V |
| Button inputs | 3 (S0, S1, S2) |
| Available functions | Up to 7 with button combinations |
| Transmitted code word | 66 bits, PWM format |
| Programmable serial numbers | 2 × 32 bits |
| Additional serial number | 10 bits |
| Nonvolatile counter | 16 bits |
| EEPROM organization | 192 bits (12 × 16-bit words) |
| Standby current | 0.1 µA typical, 1.0 µA maximum under datasheet DC-characteristic conditions |
Typical and maximum values have different meanings; confirm the full datasheet conditions for current and timing parameters during design.
Replacement Considerations
Microchip identifies HCS201 as pin-compatible with the HCS101 family, but HCS201 uses code hopping and is not a functional drop-in for a receiver expecting the HCS101 fixed-code protocol. Any migration requires transmitter programming, receiver firmware/protocol and security review. No unverified internal replacement link is provided.
Manufacturer Information
Manufacturer: Microchip Technology. The exact order-code suffix identifies the industrial-temperature, 8-lead plastic DIP option. Consult the current manufacturer datasheet, errata and package drawing before production release.
Applications
Lighting, fans and similar low-security transmitter functions.
Only where the fixed-code security properties are acceptable to the system design.
Unidirectional identification with a compatible receiver.
Battery-powered remote interfaces with a matching RF stage.
Quality & Authenticity
Verify the full HCS101-I/P marking, package body and pin orientation against Microchip documentation. Ensure the device is programmed for the intended receiver before evaluating transmitter behavior. Preserve lot and traceability records under the project's normal incoming-inspection process.
FAQ
What does -I/P mean?
I denotes the -40°C to +85°C temperature option and P denotes an 8-lead, 300-mil plastic DIP package.
Is HCS101 a code-hopping encoder?
No. HCS101 transmits a fixed code; do not assume KEELOQ code-hopping security.
Can HCS201 replace it directly?
Not without a system-level protocol, programming and receiver review, despite the stated pin compatibility.
Engineering Notice
Use the manufacturer datasheet and current package drawing as design authorities. Confirm supply limits, RF interface, receiver compatibility and fixed-code security suitability. The package illustration is pending publication and must be verified before this product detail is released.
HCS101-I/P Information
- Specifications
- Tags
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- 8-DIP (0.300", 7.62mm)
- Packaging:
- Tube
- Product Status:
- Active
- Programmable:
- Verified
- Type:
- Fixed Code Encoder
- Applications:
- Remote Control
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 8-PDIP
- Grade:
- -
- Qualification:
- -
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