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CY14B104K-ZS45XIT
  • CY14B104K-ZS45XIT

CY14B104K-ZS45XIT

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CY14B104K-ZS45XIT is a 4-Mbit nvSRAM (512 K × 8) with integrated real-time clock, using QuantumTrap nonvolatile elements. It supports AutoStore on power-down plus hardware or software STORE, with RECALL on power-up or command. Operates from 2.7 V to 3.6 V over -40 to 85°C, with 45 ns access, 1,000 K STORE endurance, and 20-year data retention in a 44-pin TSOP II, 3.0 V supply part.

Infineon Technologies CY14B104K-ZS45XIT Product Info

16 April 2026 1

Parameters

Alarms

Y

Density

4 MBit

Interfaces

Parallel

Lead Ball Finish

Ni/Pd/Au

Operating Temperature range

-40 °C to 85 °C

Operating Voltage (VCCQ) max

3.6 V

Operating Voltage range

2.7 V to 3.6 V

Organization (X x Y)

512Kb x 8

Peak Reflow Temp

260 °C

Planned to be available until at least

2033

Qualification

Industrial

Real Time Clock

Y

Speed

45 ns

Watchdog Timer

Y

Features

  • 4-Mbit nvSRAM + RTC
  • 512 K x 8 or 256 K x 16 bus
  • 3.0 V operation (2.7 V to 3.6 V)
  • AutoStore on power-down via VCAP
  • STORE via software or HSB pin
  • RECALL via software or power-up
  • 1,000 K nonvolatile STORE cycles
  • 20-year data retention
  • 25 ns / 45 ns SRAM cycle time
  • Watchdog timer and clock alarm
  • RTC backup: battery or capacitor
  • RTC backup current 0.5 uA max

Description

  • Keeps time + data in one IC
  • Fits 8-bit or 16-bit bus designs
  • Works with standard 3 V rails
  • Saves data automatically on power loss
  • Flexible save trigger for SW or pin
  • Fast restore after power returns
  • Supports frequent save operations
  • Keeps critical data for 20 years
  • 25 ns enables fast SRAM access
  • Alarm/watchdog reduce MCU load
  • Maintains RTC when main power off
  • uA backup extends battery life

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