AT34C02C_14 datasheet, PDF - EEWORLD Datasheet

Datasheet> All Categories > AT34C02C_14

Preview

AT34C02C_14: DescriptionHardware Write Protection for the Entire Array; File Size332KB，18 Pages; ManufacturerAtmel (Microchip)

Download Datasheet View All

AT34C02C_14 Overview

Hardware Write Protection for the Entire Array

Preview

Download Datasheet

View All

Features

•

Permanent and Reversible Software Write Protection for the First-half of the Array

•

– Software Procedure to Verify Write Protect Status

Hardware Write Protection for the Entire Array

Standard-voltage Operation

– 2.5 (V

= 2.5V to 5.5V)

Internally Organized 256 x 8

Two-wire Serial Interface

Schmitt Trigger, Filtered Inputs for Noise Suppression

Bidirectional Data Transfer Protocol

400 kHz (2.5V and 5.5V) Compatibility

16-byte Page Write Modes

Partial Page Writes Are Allowed

Self-timed Write Cycle (5 ms max)

High-reliability

– Endurance: 1 Million Write Cycles

– Data Retention: 100 Years

8-lead JEDEC SOIC and 8-lead TSSOP Packages

Description

The AT34C02C provides 2048 bits of serial electrically-erasable and programmable

read only memory (EEPROM) organized as 256 words of 8 bits each. The first-half of

the device incorporates a permanent and a reversible software write protection feature

while hardware write protection for the entire array is available via an external pin.

Once the permanent software write protection is enabled, by sending a special com-

mand to the device, it cannot be reversed. However, the reversible software write

protection is enabled and can be reversed by sending a special command. The hard-

ware write protection is controlled with the WP pin and can be used to protect the

entire array, whether or not the software write protection has been enabled. This

allows the user to protect none, first-half, or all of the array depending on the applica-

tion. The device is optimized for use in many industrial and commercial applications

where low-power and low-voltage operations are essential. The AT34C02C is avail-

able in space saving 8-lead JEDEC SOIC and 8-lead TSSOP packages and is

accessed via a Two-wire serial interface. It is available in 2.5V (2.5V to 5.5V).

Table 1.

Pin Configurations

Pin Name

A0 - A2

SDA

SCL

Function

Address Inputs

Serial Data

Serial Clock Input

Write Protect

8-lead TSSOP

GND

VCC

SCL

SDA

GND

Two-wire

Automotive

Temperature

Serial EEPROM

with Permanent

and Reversible

Software Write

Protect

2K (256 x 8)

AT34C02C

8-lead SOIC

VCC

SCL

SDA

Rev. 5242B–SEEPR–01/09

Recommended Resources

L4962 type switching application circuit

Discrete undervoltage alarm circuit

4-bit X4 serial multiplication circuit

Happy laughing monk circuit

arc welding generator circuit

Behavioral modeling sequential logic circuit (two-input AND gate) source code and test code: Source code:module and_gate1(clk, a, b, s);input clk;input a;input b;output reg s;//Behavioral modeling sequential logic circuit (two-input AND gate)always @ (posedge clk) //Rising edge triggeredbegin...; zxopenljx FPGA/CPLD

Hardware testing method for TI-CC chip: Brief description Forced to do something that is meaningless to the current direction, we can only grab some meaning from it.Based on TI's test software smartRF studio, the hardware needs to reserve V...; 火辣西米秀 Wireless Connectivity

Small resistance tester based on 51 single chip microcomputer: Help, does anyone have any information?...; Q秒年个 51mcu

Positioning alarm system built with radio transceiver module: 1. System composition: Each miner carries a radio transmitter module to detect the gas and dust concentration at the workplace in a timely manner and send the detection data to the radio receiver modu...; dwzt Analog electronics

How is the color format defined in the TI graphics library?: The Grilb.h file contains the following #define ClrBlue 0x000000FF #define ClrRed 0x00FF0000Is its arrangement format different from that in PC?...; 蓝雨夜 Microcontroller MCU

There seems to be a problem with the STM32_IAP routine: I would like to ask the moderator for advice. When I used the "STM32F10x_IAP_V3.1.0" routine provided by the st website, I found that when I used 232 to download the program, IAP was normal, but when ...; rock_17 stm32/stm8

Shortcut: E0 E1 E2 E3 E4 E5 E6 E7 E8 E9 EA EB EC ED EE EF EG EH EI EJ EK EL EM EN EO EP EQ ER ES ET EU EV EW EX EY EZ F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 FA FB FC FD FE FF FG FH FI FJ FK FL FM FN FO FP FQ FR FS FT FU FV FW FX FY FZ G0 G1 G2 G3 G4 G5 G6 G7 G8 G9 GA GB GC GD GE GF GG GH GI GJ GK GL GM GN GO GP GQ GR GS GT GU GV GW GX GZ H0 H1 H2 H3 H4 H5 H6 H7 H8 HA HB HC HD HE HF HG HH HI HJ HK HL HM HN HO HP HQ HR HS HT HU HV HW HX HY HZ I1 I2 I3 I4 I5 I6 I7 IA IB IC ID IE IF IG IH II IK IL IM IN IO IP IQ IR IS IT IU IV IW IX J0 J1 J2 J6 J7 JA JB JC JD JE JF JG JH JJ JK JL JM JN JP JQ JR JS JT JV JW JX JZ K0 K1 K2 K3 K4 K5 K6 K7 K8 K9 KA KB KC KD KE KF KG KH KI KJ KK KL KM KN KO KP KQ KR KS KT KU KV KW KX KY KZ

Popular Components