AT94S40AL-25BQX Atmel, AT94S40AL-25BQX Datasheet - Page 8
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AT94S40AL-25BQX
Manufacturer Part Number
AT94S40AL-25BQX
Description
Manufacturer
Atmel
Datasheet
1.AT94S40AL-25BQX.pdf
(32 pages)
Specifications of AT94S40AL-25BQX
Device System Gates
40000
Operating Supply Voltage (typ)
3.3V
Operating Supply Voltage (max)
3.6V
Operating Supply Voltage (min)
3V
Operating Temperature Classification
Commercial
Operating Temperature (min)
0C
Operating Temperature (max)
70C
Mounting
Surface Mount
Pin Count
144
Package Type
LQFP
Lead Free Status / RoHS Status
Compliant
4.8
8
No
Programming Summary:
Write to Whole Device
AT94S Secure Family
Power-Cycle EEPROM
Send Device Address
Send Device Address
Send Start Condition
Send Start Condition
Low-power (Standby)
Send Stop Condition
(Latches 1st Byte for
EEPROM Address
EEPROM Address
PAGE_COUNT
EEPROM Address
BYTE_COUNT
Send Data Byte
PAGE_COUNT+1
BYTE_COUNT+1
PAGE_COUNT
BYTE_COUNT
BYTE_COUNT =
FPGA Download
SER_EN
SER_EN
Send MSB of
Middle Byte
Send LSB of
Operations)
T_BYTE?
($A6)
START
($A7)
END
High
Low
(2)
0
0
(1)
(1)
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Value Changed Due
PAGE_COUNT =
1st Data Byte
T_PAGE?
to Write?
ACK?
ACK?
ACK?
ACK?
ACK?
ACK?
No
No
No
No
No
No
No
No
Notes:
4.8.1
AT17LV010 0000 000x
Note:
4.8.2
AT17LV010
4.8.3
AT17LV010
1. The 1-Mbit part requires three EEPROM address
2. Data byte received/sent LSB to MSB.
where X
EEPROM Address is Defined as:
T_BYTE
T_PAGE
bytes; all three bytes must be individually ACK’d by
the EEPROM.
cSCK
cSDA
cSCK
cSDA
cSCK
cSDA
cSCK
cSDA
n
START CONDITION
STOP CONDITION
DATA BIT
ACK BIT
... X
0
is (PAGE_COUNT)\b
9
x
8
x
7
x
6
x
5
x
ACK
4
x
3
x
2
x
1
x
0
000
2314E–FPSLI–6/05
0000
1024
128