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34AA04-E/ST

Description
eeprom 4K serial eeprom spd eeprom for ddr4
Categorysemiconductor    Other integrated circuit (IC)   
File Size668KB,36 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
Environmental Compliance  
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34AA04-E/ST Overview

eeprom 4K serial eeprom spd eeprom for ddr4

34AA04
4K I
2
C
Serial EEPROM with Software Write-Protect
Device Selection Table
Part
Number
34AA04
V
CC
Range
1.7-3.6
Max. Clock
Frequency
1 MHz
(1)
Temp
Ranges
I, E
Description
The Microchip Technology Inc. 34AA04 is a 4 Kbit
Electrically Erasable PROM which utilizes the I
2
C 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.
Note 1:
400 kHz for 1.8V
V
CC
< 2.2V
100 kHz for V
CC
< 1.8V
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 I
2
C™ 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
Package Types
PDIP/SOIC/TSSOP
A0
A1
A2
V
SS
1
2
3
4
8
7
6
5
V
CC
NC
SCL
SDA
TDFN/UDFN
A0 1
A1 2
A2 3
V
SS
4
8 V
CC
7 NC
6 SCL
5 SDA
Block Diagram
A0 A1 A2
HV Generator
Block 0
(000h-07Fh)
Block 1
(080h-0FFh)
Block 2
(100h-17Fh)
Block 3
(180h-1FFh)
I/O
Control
Logic
Memory
Control
Logic
XDEC
SDA SCL
V
CC
V
SS
Write-Protect
Circuitry
YDEC
Sense Amp.
R/W Control
2014 Microchip Technology Inc.
DS20005271B-page 1

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Description eeprom 4K serial eeprom spd eeprom for ddr4 eeprom 4K serial eeprom spd eeprom for ddr4 eeprom 4K serial eeprom spd eeprom for ddr4 eeprom 4K serial eeprom spd eeprom for ddr4 eeprom 4K serial eeprom spd eeprom for ddr4 IC EEPROM 4K I2C 1MHZ 8UDFN IC EEPROM 4K I2C 1MHZ 8SOIC IC EEPROM 4K I2C 1MHZ 8DIP IC EEPROM 4K I2C 1MHZ 8TDFN
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