Datasheet > CY14B104K-ZS15XI

CY14B104K-ZS15XI

更新时间： 2023-07-15 00:00:00

品牌	Logo	应用领域
赛普拉斯 - CYPRESS		静态存储器光电二极管
页数	文件大小	规格书
29页	747K
描述
Non-Volatile SRAM, 512KX8, 15ns, CMOS, PDSO44, ROHS COMPLIANT, TSOP2-44

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CY14B104K-ZS15XI 数据手册

PRELIMINARY

CY14B104K/CY14B104M

4 Mbit (512K x 8/256K x 16) nvSRAM with

Real-Time-Clock

■ Watchdog timer

Features

■ Clock alarm with programmable interrupts

■ Capacitor or battery backup for RTC

■ 15 ns, 20 ns, 25 ns, and 45 ns access times

■ Internally organized as 512K x 8 (CY14B104K) or 256K x 16

(CY14B104M)

■ Commercial and industrial temperatures

■ 44/54-pin TSOP II package

■ Hands off automatic STORE on power down with only a small

capacitor

■ Pb-free and RoHS compliance

■ STORE to QuantumTrap^®nonvolatile elements is initiated by

software, device pin, or AutoStore^®on power down

Functional Description

■ RECALL to SRAM initiated by software or power up

■ High reliability

The Cypress CY14B104K/CY14B104M combines a 4-Mbit

nonvolatile static RAM with a full featured real-time-clock in a

monolithic integrated circuit. The embedded nonvolatile

elements incorporate QuantumTrap technology producing the

world’s most reliable nonvolatile memory. The SRAM is read and

written an infinite number of times, while independent nonvolatile

data resides in the nonvolatile elements.

■ Infinite read, write, and recall cycles

■ 200,000 STORE cycles to QuantumTrap

■ 20 year data retention

The real-time-clock function provides an accurate clock with leap

year tracking and a programmable, high accuracy oscillator. The

alarm function is programmable for one time alarms or periodic

seconds, minutes, hours, or days. There is also a programmable

watchdog timer for process control.

■ Single 3V +20%, –10% operation

■ Data integrity of Cypress nvSRAM combined with full featured

Real-Time-Clock

Logic Block Diagram

V_CC

V_RTCcap

V_RTCbat

V_CAP

[1]

A₀- A₁₈

Address

DQ0 - DQ7

HSB

CY14B104K

CY14B104M

INT

X₁

BHE

BLE

X₂

V_SS

Note

1. Address A - A and DQ0 - DQ7 for x8 configuration, Address A - A and Data DQ0 - DQ15 for x16 configuration.

Cypress Semiconductor Corporation

Document #: 001-07103 Rev. *I

•

198 Champion Court

•

San Jose, CA 95134-1709

•

408-943-2600

Revised June 20, 2008

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