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34AA04T-E/ST Datasheet(PDF) 1 Page - Microchip Technology |
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34AA04T-E/ST Datasheet(HTML) 1 Page - Microchip Technology |
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1 / 36 page  2014 Microchip Technology Inc. DS20005271B-page 1 34AA04 Device Selection Table Features • 4 Kbit EEPROM: - Internally organized as two 256 x 8-bit banks - Byte or page writes (up to 16 bytes) - Byte or sequential reads within a single bank - Self-timed write cycle (5 ms max.) • JEDEC® JC42.4 (EE1004-v) Serial Presence Detect (SPD) Compliant for DRAM (DDR4) modules • High-Speed I2C™ Interface: - Industry standard 1 MHz, 400 kHz, and 100 kHz - Schmitt Trigger inputs for noise suppression - SMBus-compatible bus time out - Cascadable up to eight devices • Write Protection: - Reversible software write protection for four individual 128-byte blocks • Low-Power CMOS Technology: - Voltage range: 1.7V to 3.6V - Write current: 1.5 mA at 3.6V - Read current: 200 µA at 3.6V, 400 kHz - Standby current: 1 µA at 3.6V • High Reliability: - More than one million erase/write cycles - Data retention: > 200 years - ESD protection: > 4000V • 8-lead PDIP, SOIC, TSSOP, TDFN, and UDFN Packages • Available Temperature Ranges: - Industrial (I): -40°C to +85°C - Automotive (E): -40°C to +125°C Description The Microchip Technology Inc. 34AA04 is a 4 Kbit Electrically Erasable PROM which utilizes the I2C serial interface and is capable of operation across a broad voltage range (1.7V to 3.6V). This device is JEDEC JC42.4 (EE1004-v) Serial Presence Detect (SPD) compliant and includes reversible software write protection for each of four independent 128 x 8-bit blocks. The device features a page write capability of up to 16 bytes of data. Address pins allow up to eight devices on the same bus. The 34AA04 is available in the 8-lead PDIP, SOIC, TSSOP, TDFN, and UDFN packages. Package Types Block Diagram Part Number VCC Range Max. Clock Frequency Temp Ranges 34AA04 1.7-3.6 1 MHz(1) I, E Note 1: 400 kHz for 1.8V ≤ VCC < 2.2V 100 kHz for VCC < 1.8V A0 A1 A2 VSS 1 2 3 4 8 7 6 5 VCC NC SCL SDA A0 A1 A2 VSS NC SCL SDA VCC 8 7 6 5 1 2 3 4 TDFN/UDFN PDIP/SOIC/TSSOP I/O Control Logic Memory Control Logic XDEC HV Generator Write-Protect Circuitry YDEC VCC VSS Sense Amp. R/W Control SDA SCL A0 A1 A2 Block 0 (000h-07Fh) Block 1 (080h-0FFh) Block 2 (100h-17Fh) Block 3 (180h-1FFh) 4K I2C™ Serial EEPROM with Software Write-Protect |
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Similar Description - 34AA04T-E/ST |
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