GMS87C1408 overview

GMS87C1408 is a component documented by Hynix Semiconductor. The PDF description identifies it as "8-BIT SINGLE-CHIP MICROCONTROLLERS." This guide condenses the most useful engineering information from the available PDF so that designers and sourcing teams can identify the checks that still need confirmation in the original document.

Datasheet snapshot

  • Manufacturer: Hynix Semiconductor
  • Part number: GMS87C1408
  • Category: Logic IC
  • Datasheet length: 84 Pages

Key features noted in the PDF

  • 4K/8K Bytes On-chip Program Memory (OTP)
  • 192 Bytes of On-chip Data RAM (Included stack memory)
  • Instruction Cycle Time: - 250nS at 8MHz
  • 23 Programmable I/O pins (LED direct driving can be source and sink)
  • 2.5V to 5.5V Wide Operating Range
  • One 8-bit A/D Converter
  • One 8-bit Basic Interval Timer

Specifications and operating details

The following points were extracted from the PDF text. Check the associated conditions, notes and limits in the complete document before using a value in a design.

  • 4K/8K Bytes On-chip Program Memory (OTP) 192 Bytes of On-chip Data RAM (Included stack memory) Instruction Cycle Time: - 250nS at 8MHz 23 Programmable I/O pins (LED direct driving can be source and sink) 2.5V to 5.5V Wide Operating Range O.
  • PIN FUNCTION V DD : Supply voltage.
  • In/Out Function VDD 5 - Supply voltage VSS 22 - Circuit ground RESET 21 I Reset signal input XIN 19 I XOUT 20 O RA0 (EC0) 25 I/O (Input) 8-bit general I/O ports External Event Counter input 0 RA1 (AN1) 26 I/O (Input) Analog Input Port 1 RA.
  • Exposure to absolute maximum rating conditions for extended periods may affect device reliability. (TA =25°C, VSS=0V, VDD =5.12V @ fXIN =8MHz, VDD =3.072V @ fXIN =4MHz) Parameter Symbol Condition Specifications Unit Min.
  • Supply Voltage VDD fXIN=8MHz 4.5 5.5 V fXIN=4.2MHz 2.5 5.5 V Operating Frequency fXIN VDD =4.5~5.5V 18 M H z VDD =2.5~5.5V 1 4.2 kHz Operating Temperature TOPR -20 85 °C Parameter Symbol Condition Specifications Unit Min.
  • Operating Frequency fCP XIN 1-8 M H z External Clock Pulse Width tCPW XIN 80 - - nS External Clock Transition TimetRCP, tFCP XIN -- 2 0 n S Oscillation Stabilizing Time tST XIN, XOUT -- 2 0 m S External Input Pulse Width tEPW INT0, INT1, I.
  • An overflow occurs when the result of an addition or subtraction ex- ceeds +127(7F H ) or -128(80H ).

Topics covered by the datasheet

The document includes sections related to:

  • Description

Engineering review checklist

  • Confirm supply rails, clock limits, memory size, peripheral mapping and I/O voltage compatibility.
  • Check package pinout, boot configuration, programming interface and silicon-revision errata.
  • Budget decoupling, thermal margin, startup timing and firmware recovery behavior before release.

Always confirm values against the latest manufacturer-controlled datasheet, especially when qualifying a substitute or releasing a production BOM.

View the complete PDF and model record

Open the GMS87C1408 datasheet and model details to review the complete PDF, document pages and available product information.

Source attribution

Adapted from the PDF associated with this DigiCamel model page.

Source model URL: https://www.digicamel.com/product.php?slug=gms87c1408-hynix-semiconductor

GMS87C1408 Hynix Semiconductor Logic IC GMS87C1408 datasheet GMS87C1408 specifications GMS87C1408 applications