24C160-IP Datasheet

8k/16k 5.0v Spi Bus Serial EePROM


Features, Applications

SPI modes 0,0 and 1,1 3 MHz Clock Rate Single 5V supply Low Power CMOS Technology - Max Write Current: mA - Read Current: mA - Standby Current: 1 �A typical Organization x 8 for x 8 for 25C160 16 Byte Page Self-timed ERASE and WRITE Cycles Sequential Read Block Write Protection - Protect none, 1/2, or all of Array Built-in Write Protection - Power On/Off Data Protection Circuitry - Write Latch - Write Protect Pin High Reliability - Endurance: 10M cycles (guaranteed) - Data Retention: >200 years - ESD protection: V 8-pin PDIP/SOIC Packages Temperature ranges supported - Commercial (C): +70�C - Industrial (I): +85�C - Automotive (E): to +125�C


The Microchip Technology Inc. 25C080/160 are 8K and 16K bit Serial Electrically Erasable PROMs. The memory is accessed via a simple Serial Peripheral Interface (SPI) compatible serial bus. The bus signals required are a clock input (SCK) plus separate data in (SI) and data out (SO) lines. Access to the device is controlled through a chip select (CS) input, allowing any number of devices to share the same bus. There are two other inputs that provide the end user with additional flexibility. Communication to the device can be paused via the hold pin (HOLD). While the device is paused, transitions on its inputs will be ignored, with the exception of chip select, allowing the host to service higher priority interrupts. Also write operations to the Status Register can be disabled via the write protect pin (WP).

EEPROM I/O Control Logic Memory Control Logic X Dec Page Latches Array

VCC........................................................................ 7.0V All inputs and outputs w.r.t. VSS......-0.6V to VCC +1.0V Storage to 150�C Ambient temperature under to 125�C Soldering temperature of leads (10 seconds)...+300�C ESD protection on all pins...................................... 4kV

*Stresses above those listed under `Maximum ratings' may cause permanent damage to the device. This is a stress rating only and functional operation of the device at those or any other conditions above those indicated in the operational listings of this specification is not implied. Exposure to maximum rating conditions for extended period of time may affect device reliability

Function Chip Select Input Serial Data Output Serial Data Input Serial Clock Input Write Protect Pin Ground Supply Voltage Hold Input

Timing Measurement Reference Level Input Output Note 1: For VCC 4.0V 2: For VCC 4.0V 0.5 VCC 0.5 VCC

Applicable over recommended operating ranges shown below unless otherwise noted. VCC to 5.5V Commercial (C): Tamb to +70�C Industrial (I): Tamb to +85�C Automotive (E): Tamb to +125�C Parameter High level input voltage Low level input voltage Low level output voltage High level output voltage Input leakage current Output leakage current Internal Capacitance (all inputs and outputs) Operating Current Symbol VIH1 VIL1 VOL VOH ILI ILO CINT ICC write ICC READ Min VCC-0.5 -10 Max VCC+1 Units mA �A Test Conditions

IOH=-400 �A CS=VIH, VIN=Vss to VCC CS=VIH, VOUT=Vss to VCC Tamb=25�C, FCLK=3.0 MHz, VCC=5.5V (Note) VCC=5.5V; 3 MHz VCC=5.5V; 2 MHz Vin=0V or VCC

1 500 ICC READ Standby Current ICCS 5 Note: This parameter is periodically sampled and not 100% tested.



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