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CAT33C804APITE13 датащи(PDF) 1 Page - Catalyst Semiconductor |
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CAT33C804APITE13 датащи(HTML) 1 Page - Catalyst Semiconductor |
1 / 14 page 1 Preliminary CAT33C804A 4K-Bit Secure Access Serial E2PROM FEATURES s Single 3V Supply s Password READ/WRITE Protection: 1 to 8 Bytes s Memory Pointer WRITE Protection s Sequential READ Operation s 256 x 16 or 512 x 8 Selectable Serial Memory s UART Compatible Asynchronous Protocol s Commercial, Industrial and Automotive Temperature Ranges s 100,000 Program/Erase Cycles s I/O Speed: 9600 Baud –Clock Frequency: 4.9152 MHz Xtal s Low Power Consumption: –Active: 3 mA –Standby: 250 µA s 100 Year Data Retention 33C804 F02 BLOCK DIAGRAM 5074 FHD F01 PIN CONFIGURATION SOIC Package (J) DIP Package (P) SERIAL COMMUNI- CATION BLOCK INSTRUCTION REGISTER INSTRUCTION DECODER STATUS REGISTER 64-BIT ACCESS CODE & CONTROL BLOCK 4K-BIT EEPROM ARRAY R/W BUFFER ADDRESS DECODER ADDRESS REGISTER MEMORY POINTER DO CLK PE CS DI ERR VCC GND CS CLK DI DO VCC PE ERR GND DI DO NC NC ERR GND NC NC NC NC CS CLK NC NC VCC PE 1 2 3 4 8 7 6 5 1 2 3 4 16 15 14 13 512 611 710 89 PIN FUNCTIONS Pin Name Function CS Chip Select DO(1) Serial Data Output CLK Clock Input DI(1) Serial Data Input PE Parity Enable ERR Error Indication Pin VCC +3V Power Supply GND Ground Note: (1) DI, DO may be tied together to form a common I/O. DESCRIPTION The CAT33C804A is a 4K-bit Serial E2PROM that safe- guards stored data from unauthorized access by use of a user selectable (1 to 8 byte) access code and a movable memory pointer. Two operating modes provide unprotected and password-protected operation allow- ing the user to configure the device as anything from a ROM to a fully protected no-access memory. The CAT33C804A uses a UART compatible asynchronous protocol and has a Sequential Read feature where data can be sequentially clocked out of the memory array. The device is available in 8-pin DIP or 16-pin SOIC packages. © 1998 by Catalyst Semiconductor, Inc. Characteristics subject to change without notice Doc. No. 25044-00 2/98 |
Аналогичный номер детали - CAT33C804APITE13 |
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Аналогичное описание - CAT33C804APITE13 |
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