AT94S05AL-25BQU Atmel, AT94S05AL-25BQU Datasheet - Page 9

• Manufacturer Part Number: AT94S05AL-25BQU
• Description: IC FPSLIC 5K GATE 25MHZ 144LQFP
• Manufacturer: Atmel
• Series: FPSLIC®r

Specifications of AT94S05AL-25BQU

• Core Type: 8-bit AVR
• Speed: 25MHz
• Interface: I²C, UART
• Program Sram Bytes: 4K-16K
• Fpga Sram: 2kb
• Eeprom Size: 256K x 8
• Data Sram Bytes: 4K ~ 16K
• Fpga Core Cells: 256
• Fpga Gates: 5K
• Fpga Registers: 436
• Voltage - Supply: 3 V ~ 3.6 V
• Mounting Type: Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 144-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

4.9
2314E–FPSLI–6/05
Programming Summary:
Read from Whole Device
Low-power (Standby)
Send Device Address
Send Device Address
Send Start Condition
Send Start condition
BYTE_COUNT
EEPROM Address
EEPROM Address
Sent Stop Condition
EEPROM Address
BYTE_COUNT
BYTE_COUNT+1
SER_EN
SER_EN
Read Data Byte
Middle Byte
Send MSB of
Send LSB of
Send ACK
START
($A6)
($A7)
END
High
Low
0
(2)
(1)
(1)
Yes
Yes
Yes
Yes
Yes
Yes
No
BYTE_COUNT=
TT_BYTE?
ACK?
ACK?
ACK?
ACK?
ACK?
No
No
No
No
No
Notes:
4.9.1
AT17LV010
4.9.2
AT17LV010
1. The 1-Mbit part requires three EEPROM address
2. Data byte received/sent LSB to MSB
EEPROM Address is Defined as:
TT_BYTE
bytes; all three bytes must be individually ACK’d by
the EEPROM.
cSCK
cSDA
cSCK
cSDA
cSCK
cSDA
cSCK
cSDA
START CONDITION
STOP CONDITION
SAMPLE DATA BIT
ACK BIT
AT94S Secure Family
ACK
00 00 00 \h
131072 \d
9