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X24C16 Dataheets PDF



Part Number X24C16
Manufacturers Xicor
Logo Xicor
Description Serial E2PROM
Datasheet X24C16 DatasheetX24C16 Datasheet (PDF)

Preliminary X24C16 Information 16K X24C16 Serial E2PROM 2048 x 8 Bit FEATURES DESCRIPTION The X24C16 is a CMOS 16,384 bit serial E2PROM, internally organized 2048 X 8. The X24C16 features a serial interface and software protocol allowing operation on a simple two wire bus. The X24C16 is fabricated with Xicor’s advanced CMOS Textured Poly Floating Gate Technology. The X24C16 utilizes Xicor’s proprietary Direct WriteTM cell providing a minimum endurance of 100,000 cycles and a minimum data re.

  X24C16   X24C16



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Preliminary X24C16 Information 16K X24C16 Serial E2PROM 2048 x 8 Bit FEATURES DESCRIPTION The X24C16 is a CMOS 16,384 bit serial E2PROM, internally organized 2048 X 8. The X24C16 features a serial interface and software protocol allowing operation on a simple two wire bus. The X24C16 is fabricated with Xicor’s advanced CMOS Textured Poly Floating Gate Technology. The X24C16 utilizes Xicor’s proprietary Direct WriteTM cell providing a minimum endurance of 100,000 cycles and a minimum data retention of 100 years. • • • • • • • • 2.7V to 5.5V Power Supply Low Power CMOS —Active Read Current Less Than 1 mA —Active Write Current Less Than 3 mA —Standby Current Less Than 50 µA Internally Organized 2048 x 8 2 Wire Serial Interface —Bidirectional Data Transfer Protocol Sixteen Byte Page Write Mode —Minimizes Total Write Time Per Byte Self Timed Write Cycle —Typical Write Cycle Time of 5 ms High Reliability —Endurance: 100,000 Cycles —Data Retention: 100 Years 8 Pin Mini-DIP, 8 Pin SOIC and 14 Pin SOIC Packages FUNCTIONAL DIAGRAM (8) VCC (4) VSS (7) TEST START CYCLE START STOP LOGIC CONTROL LOGIC SLAVE ADDRESS REGISTER +COMPARATOR XDEC E2PROM 128 X 128 H.V. GENERATION TIMING & CONTROL (5) SDA (6) SCL (3) A2 (2) A1 (1) A0 LOAD INC WORD ADDRESS COUNTER R/W YDEC 8 CK PIN DOUT ACK 3840 FHD F01 DATA REGISTER DOUT © Xicor, 1991 Patents Pending 3840-1.1 7/29/96 T1/C0/D0 SH 1 Characteristics subject to change without notice X24C16 PIN DESCRIPTIONS Serial Clock (SCL) The SCL input is used to clock all data into and out of the device. Serial Data (SDA) SDA is a bidirectional pin used to transfer data into and out of the device. It is an open drain output and may be wire-ORed with any number of open drain or open collector outputs. An open drain output requires the use of a pull-up resistor. For selecting typical values, refer to the Pull-Up Resistor selection graph at the end of this data sheet. Address (A0, A1, A2) The A0, A1 and A2 inputs are unused by the X24C16, however, they must be tied to VSS to insure proper device operation. PIN NAMES Symbol A0–A2 SDA SCL TEST VSS VCC NC Description Address Inputs Serial Data Serial Clock Hold at VSS Ground Supply Voltage No Connect 3840 PGM T01 PIN CONFIGURATION DIP/SOIC A0 A1 A2 VSS 1 2 3 4 X24C16 8 7 6 5 VCC TEST SCL SDA 3840 FHD F02 SOIC NC A0 A1 NC A2 VSS NC 1 2 3 4 5 6 7 14 13 12 X24C16 11 10 9 8 NC VCC TEST NC SCL SDA NC 3840 FHD F03 2 X24C16 DEVICE OPERATION The X24C16 supports a bidirectional bus oriented protocol. The protocol defines any device that sends data onto the bus as a transmitter, and the receiving device as the receiver. The device controlling the transfer is a master and the device being controlled is the slave. The master will always initiate data transfers, and provide the clock for both transmit and receive operations. Therefore, the X24C16 will be considered a slave in all applications. Clock and Data Conventions Data states on the SDA line can change only during SCL LOW. .



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