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  Microchip Technology Semiconductor Electronic Components Datasheet  

34AA04 Datasheet

EEPROM

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34AA04
4K I2CSerial EEPROM with Software Write-Protect
Device Selection Table
Part
Number
VCC Max. Clock Temp
Range Frequency 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
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
PDIP/SOIC/TSSOP
A0 1
A1 2
A2 3
VSS 4
8 VCC
7 NC
6 SCL
5 SDA
TDFN/UDFN
A0 1
A1 2
A2 3
VSS 4
8 VCC
7 NC
6 SCL
5 SDA
Block Diagram
A0 A1 A2
I/O
Control
Logic
Memory
Control
Logic
XDEC
SDA SCL
VCC
VSS
HV Generator
Block 0
(000h-07Fh)
Block 1
(080h-0FFh)
Block 2
(100h-17Fh)
Block 3
(180h-1FFh)
Write-Protect
Circuitry
YDEC
Sense Amp.
R/W Control
2014 Microchip Technology Inc.
DS20005271B-page 1


  Microchip Technology Semiconductor Electronic Components Datasheet  

34AA04 Datasheet

EEPROM

No Preview Available !

34AA04
1.0 ELECTRICAL CHARACTERISTICS
Absolute Maximum Ratings(†)
VCC.............................................................................................................................................................................6.5V
All Inputs and Outputs (except A0) w.r.t. VSS ............................................................................................... -0.3V to 6.5V
A0 Input w.r.t. VSS ........................................................................................................................................... -0.3 to 12V
Storage Temperature...............................................................................................................................-65°C to +150°C
Ambient Temperature with Power Applied ..............................................................................................-40°C to +125°C
ESD Protection on All Pins  4 kV
† NOTICE: Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the
device. These are stress ratings only and functional operation of the device at these or any other conditions above
those indicated in the operation sections of the specifications is not implied. Exposure to Absolute Maximum Rating
conditions for extended periods may affect device reliability.
TABLE 1-1: DC SPECIFICATIONS
DC CHARACTERISTICS
VCC = +1.7V to +3.6V
Industrial (I): TA = -40°C to +85°C
Automotive (E): TA = -40°C to +125°C
Param.
No.
Symbol
D1 VIH
D2 VIL
Characteristic
A0, A1, A2, SCL, and SDA
High-Level Input Voltage
Low-Level Input Voltage
Min.
0.7 VCC
D3 VHYS Hysteresis of Schmitt
Trigger Inputs
0.0 VCC
D4 VOL
Low-Level Output Voltage
D5 VHV
High-Voltage Detect
(A0 pin only)
7
VCC + 4.8
D6 ILI
Input Leakage Current
D7 ILO
Output Leakage Current
D8 CIN, COUT Pin Capacitance
(all inputs/outputs)
D9 ICC write Operating Current
D10 ICC read
D11 ICCS
Standby Current
Max.
VCC + 0.5
0.3 VCC
0.2 VCC
0.40
0.40
10
10
±1
±1
10
1.5
200
1
5
Note: This parameter is periodically sampled and not 100% tested.
Units
Conditions
V
V VCC 2.5V
V VCC < 2.5V
V (Note)
V IOL = 20.0 mA, VCC = 2.2V
V IOL = 6.0 mA, VCC = 1.7V
V VCC < 2.2V
V VCC 2.2V
A VIN = VSS or VCC
A VOUT = VSS or VCC
pF VCC = 5.5V (Note)
TA = 25°C, FCLK = 1 MHz
mA VCC = 3.6V
A VCC = 3.6V, SCL = 400 kHz
A Industrial
A Automotive
SDA, SCL, VCC = 3.6V
A0, A1, A2 = VSS
DS20005271B-page 2
2014 Microchip Technology Inc.


Part Number 34AA04
Description EEPROM
Maker Microchip
Total Page 30 Pages
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