AT88SC0404CA-Y6H-T Atmel, AT88SC0404CA-Y6H-T Datasheet - Page 2

• Manufacturer Part Number: AT88SC0404CA-Y6H-T
• Description: IC EEPROM 4KBIT 4MHZ 8MAP
• Manufacturer: Atmel
• Series: CryptoMemory®r

Specifications of AT88SC0404CA-Y6H-T

• Format - Memory: EEPROMs - Serial
• Memory Type: EEPROM
• Memory Size: 4K (512 x 8)
• Speed: 4MHz
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 8-UDFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

8664C–CRYPT–1/10
Table of Contents
1. Pin Configuration and Package Information .........................................................................................3
2. Description .............................................................................................................................................4
3. Block Diagram ..........................................................................................................................................5
4. Pin Description .........................................................................................................................................6
5. Configuration and User Zone Description .............................................................................................7
6. Communication Security Modes.......................................................................................................... 14
7. Protocol Selection ................................................................................................................................. 24
8. Synchronous Protocol .......................................................................................................................... 26
1.1.
1.2.
2.1.
2.2.
2.3.
2.4.
4.1.
4.2.
4.3.
4.4.
5.1.
5.2.
5.3.
5.4.
6.1.
6.2.
6.3.
6.4.
7.1.
7.2.
8.1.
8.2.
8.3.
8.4.
8.5.
8.6.
8.7.
8.8.
8.9.
8.10.
8.11.
8.12.
Pin Configuration ...........................................................................................................................3
Package Information .....................................................................................................................3
Differences from Atmel AT88SCxxxxC Family of Products ..........................................................4
Embedded Applications .................................................................................................................4
Smart Card Applications ................................................................................................................4
Scope ............................................................................................................................................4
Supply Voltage (V
Clock (SCL/CLK) ...........................................................................................................................6
Serial Data (SDA/IO) .....................................................................................................................6
Reset (RST)...................................................................................................................................6
Detailed Description ......................................................................................................................7
Control Logic .................................................................................................................................7
Configuration Memory ...................................................................................................................7
User Memory .............................................................................................................................. 10
Security Operations .................................................................................................................... 14
Data Protection Features ........................................................................................................... 17
Configuration Memory Values .................................................................................................... 18
Security Fuses ............................................................................................................................ 22
Synchronous Mode for Embedded Applications ........................................................................ 24
Asynchronous Mode for Smart Card Applications ..................................................................... 25
Start-up Sequence ..................................................................................................................... 26
Command Set ............................................................................................................................ 27
Command Format ...................................................................................................................... 28
Acknowledge Polling .................................................................................................................. 30
Device Addressing ..................................................................................................................... 31
TWI Command Descriptions ...................................................................................................... 31
Write User Zone: $B0 ................................................................................................................. 31
Random Read: $B1 .................................................................................................................... 32
System WRITE: $B4 .................................................................................................................. 34
System READ: $B6 .................................................................................................................... 36
Verify CRYPTO: $B8 .................................................................................................................. 37
Verify Password: $BA ................................................................................................................. 39
CC
) .....................................................................................................................6
AT88SC0104/0204/0404/0808/CA
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