ATMEL AT24C512B

Features
• Low-voltage and Standard-voltage Operation
•
•
•
•
•
•
•
•
•
•
•
•
– 1.8v (VCC = 1.8V to 3.6V)
– 2.5v (VCC = 2.5V to 3.6V)
Internally Organized 65,536 x 8
Two-wire Serial Interface
Schmitt Triggers, Filtered Inputs for Noise Suppression
Bidirectional Data Transfer Protocol
1 MHz (3.6V), 400 kHz (1.8V, 2.5V) Compatibility
Write Protect Pin for Hardware and Software Data Protection
128-byte Page Write Mode (Partial Page Writes Allowed)
Self-timed Write Cycle (5 ms Max)
High Reliability
– Endurance: 1,000,000 Write Cycles
– Data Retention: 40 Years
Lead-free/Halogen-free Devices
8-lead PDIP, 8-lead JEDEC SOIC, 8-lead EIAJ SOIC, 8-lead TSSOP, 8-ball dBGA2, and
8-lead Ultra Thin Small Array (SAP) Packages
Die Sales: Wafer Form, Waffle Pack and Bumped Die
The AT24C512B provides 524,288 bits of serial electrically erasable and programmable read only memory (EEPROM) organized as 65,536 words of 8 bits each. The
device’s cascadable feature allows up to eight devices to share a common two-wire
bus. The device is optimized for use in many industrial and commercial applications
where low-power and low-voltage operation are essential. The devices are available
in space-saving 8-pin PDIP, 8-lead JEDEC SOIC, 8-lead EIAJ SOIC, 8-lead TSSOP,
8-ball dBGA2 and 8-lead Ultra Thin SAP packages. In addition, the entire family is
available in a 1.8V (1.8V to 3.6V) version.
A0–A2
Address Inputs
SDA
Serial Data
SCL
Serial Clock Input
WP
Write Protect
AT24C512B
1
2
3
4
A0
A1
A2
GND
8
7
6
5
Preliminary
8-lead PDIP
8-lead TSSOP
Table 1. Pin Configurations
Function
512K (65,536 x 8)
with Three Device Address Inputs
Description
Pin Name
Two-wire Serial
EEPROM
VCC
WP
SCL
SDA
A0
A1
A2
GND
1
2
3
4
8
7
6
5
VCC
WP
SCL
SDA
8-lead SOIC
A0
A1
A2
GND
1
2
3
4
8
7
6
5
VCC
WP
SCL
SDA
8-ball dBGA2
8-lead Ultra Thin SAP
VCC
WP
SCL
SDA
8
7
6
5
1
2
3
4
A0
A1
A2
GND
Bottom View
VCC
WP
SCL
SDA
8
7
6
5
1
2
3
4
A0
A1
A2
GND
Bottom View
Rev. 5112D–SEEPR–3/07
1
Absolute Maximum Ratings*
Operating Temperature..................................–55°C to +125°C
Storage Temperature .....................................–65°C to +150°C
Voltage on Any Pin
with Respect to Ground .................................... –1.0V to +7.0V
Maximum Operating Voltage ............................................ 4.3V
DC Output Current........................................................ 3.0 mA
*NOTICE:
Stresses beyond those listed under “Absolute
Maximum Ratings” may cause permanent damage to the device. This is a stress rating only and
functional operation of the device at these or any
other conditions beyond those indicated in the
operational sections of this specification is not
implied. Exposure to absolute maximum rating
conditions for extended periods may affect
device reliability.
Figure 1. Block Diagram
2
AT24C512B [Preliminary]
5112D–SEEPR–3/07
AT24C512B [Preliminary]
Pin Description
SERIAL CLOCK (SCL): The SCL input is used to positive edge clock data into each
EEPROM device and negative edge clock data out of each device.
SERIAL DATA (SDA): The SDA pin is bidirectional for serial data transfer. This pin is
open-drain driven and may be wire-ORed with any number of other open-drain or open
collector devices.
DEVICE/PAGE ADDRESSES (A2, A1, A0): The A2, A1, and A0 pins are device
address inputs that are hardwired (directly to GND or to Vcc) for compatibility with other
AT24Cxx devices. When the pins are hardwired, as many as eight 512K devices may be
addressed on a single bus system. (Device addressing is discussed in detail under
“Device Addressing,” page 8.) A device is selected when a corresponding hardware and
software match is true. If these pins are left floating, the A2, A1, and A0 pins will be
internally pulled down to GND. However, due to capacitive coupling that may appear
during customer applications, Atmel® recommends always connecting the address pins
to a known state. When using a pull-up resistor, Atmel recommends using 10kΩ or less.
WRITE PROTECT (WP): The write protect input, when connected to GND, allows normal write operations. When WP is connected directly to Vcc, all write operations to the
memory are inhibited. If the pin is left floating, the WP pin will be internally pulled down
to GND. However, due to capacitive coupling that may appear during customer applications, Atmel recommends always connecting the WP pins to a known state. When using
a pull-up resistor, Atmel recommends using 10kΩ or less.
Memory Organization
AT24C512B, 512K SERIAL EEPROM: The 512K is internally organized as 512 pages
of 128-bytes each. Random word addressing requires a 16-bit data word address.
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5112D–SEEPR–3/07
Table 2. Pin Capacitance(1)
Applicable over recommended operating range from: TA = 25°C, f = 1.0 MHz, VCC = +1.8V to +3.6V
Symbol
Test Condition
CI/O
CIN
Note:
Max
Units
Conditions
Input/Output Capacitance (SDA)
8
pF
VI/O = 0V
Input Capacitance (A0, A1, SCL)
6
pF
VIN = 0V
1. This parameter is characterized and is not 100% tested.
Table 3. DC Characteristics
Applicable over recommended operating range from: TAI = −40°C to +85°C, VCC = +1.8V to +3.6V (unless otherwise noted)
Symbol
Parameter
VCC1
Supply Voltage
ICC1
Supply Current
VCC = 3.6V
READ at 400 kHz
ICC2
Supply Current
VCC = 3.6V
WRITE at 400 kHz
ISB1
Standby Current
(1.8V option)
VCC = 1.8V
ISB2
Standby Current
(2.5V option)
VCC = 2.5V
ILI
Input Leakage Current
VIN = VCC or VSS
ILO
Output Leakage
Current
VOUT = VCC or VSS
VIL
Input Low Level(1)
VIH
Input High Level(1)
VOL2
Output Low Level
VCC = 3.0V
VOL1
Output Low Level
VCC = 1.8V
Note:
4
Test Condition
Min
Typ
Max
Units
3.6
V
1.0
2.0
mA
2.0
3.0
mA
1.0
µA
3.0
µA
2.0
µA
3.0
µA
0.10
3.0
µA
0.05
3.0
µA
−0.6
VCC x 0.3
V
VCC x 0.7
VCC + 0.5
V
IOL = 2.1 mA
0.4
V
IOL = 0.15 mA
0.2
V
1.8
VCC = 3.6V
VCC = 3.6V
VIN = VCC or VSS
VIN = VCC or VSS
1. VIL min and VIH max are reference only and are not tested.
AT24C512B [Preliminary]
5112D–SEEPR–3/07
AT24C512B [Preliminary]
Table 4. AC Characteristics (Industrial Temperature)
Applicable over recommended operating range from TAI = −40°C to +85°C, VCC = +1.8V to +3.6V, CL = 100 pF (unless otherwise noted). Test conditions are listed in Note 2.
1.8-volt, 2.5-volt
Symbol
Parameter
Min
fSCL
Clock Frequency, SCL
tLOW
Clock Pulse Width Low
tHIGH
Clock Pulse Width High
Max
3.6-volt
Min
400
Max
Units
1000
kHz
1.3
0.4
µs
0.6
0.4
µs
(1)
ti
Noise Suppression Time
tAA
Clock Low to Data Out Valid
0.05
tBUF
Time the bus must be free before a
new transmission can start(1)
1.3
0.5
µs
tHD.STA
Start Hold Time
0.6
0.25
µs
tSU.STA
Start Set-up Time
0.6
0.25
µs
tHD.DAT
Data In Hold Time
0
0
µs
tSU.DAT
Data In Set-up Time
100
100
ns
100
(1)
Inputs Rise Time
tR
(1)
0.9
0.05
50
ns
0.55
µs
0.3
0.3
µs
300
100
ns
tF
Inputs Fall Time
tSU.STO
Stop Set-up Time
0.6
0.25
µs
tDH
Data Out Hold Time
50
50
ns
tWR
Write Cycle Time
Endurance(1)
25°C, Page Mode, 3.3V
Notes:
5
5
1,000,000
ms
Write
Cycles
1. This parameter is ensured by characterization.
2. AC measurement conditions:
RL (connects to VCC): 1.3 kΩ (2.5V, 3.6V), 10 kΩ (1.8V)
Input pulse voltages: 0.3 VCC to 0.7 VCC
Input rise and fall times: ≤ 50 ns
Input and output timing reference voltages: 0.5 VCC
Device Operation
CLOCK and DATA TRANSITIONS: The SDA pin is normally pulled high with an external device. Data on the SDA pin may change only during SCL low time periods (see
Figure 4 on page 7). Data changes during SCL high periods will indicate a start or stop
condition as defined below.
START CONDITION: A high-to-low transition of SDA with SCL high is a start condition
which must precede any other command (see Figure 5 on page 7).
STOP CONDITION: A low-to-high transition of SDA with SCL high is a stop condition.
After a read sequence, the stop command will place the EEPROM in a standby power
mode (see Figure 5 on page 7).
ACKNOWLEDGE: All addresses and data words are serially transmitted to and from
the EEPROM in 8-bit words. The EEPROM sends a zero during the ninth clock cycle to
acknowledge that it has received each word.
5
5112D–SEEPR–3/07
STANDBY MODE: The AT24C512B features a low power standby mode which is
enabled: a) upon power-up and b) after the receipt of the STOP bit and the completion
of any internal operations.
Software Reset: After an interruption in protocol, power loss or system reset, any 2-wire
part can be protocol reset by following these steps: (a) Create a start bit condition, (b)
clock 9 cycles, (c) create another start bit followed by stop bit condition as shown below.
The device is ready for next communication after above steps have been completed.
Figure 1. Protocol Reset Condition
Dummy Clock Cycles
Start bit
SCL
1
2
3
Start bit
8
Stop bit
9
SDA
Figure 2. Bus Timing (SCL: Serial Clock, SDA: Serial Data I/O)
6
AT24C512B [Preliminary]
5112D–SEEPR–3/07
AT24C512B [Preliminary]
Figure 3. Write Cycle Timing (SCL: Serial Clock, SDA: Serial Data I/O)
SCL
SDA
8th BIT
ACK
WORDn
(1)
twr
STOP
CONDITION
Note:
START
CONDITION
1. The write cycle time tWR is the time from a valid stop condition of a write sequence to the end of the internal clear/write cycle.
Figure 4. Data Validity
Figure 5. Start and Stop Definition
7
5112D–SEEPR–3/07
Figure 6. Output Acknowledge
Device Addressing
The 512K EEPROM requires an 8-bit device address word following a start condition to
enable the chip for a read or write operation (see Figure 7 on page 9). The device
address word consists of a mandatory “1”, “0” sequence for the first four most significant
bits as shown. This is common to all two-wire EEPROM devices.
The 512K uses the three device address bits A2, A1, A0 to allow as many as eight
devices on the same bus. These bits must compare to their corresponding hardwired
input pins. The A2, A1 and A0 pins use an internal proprietary circuit that biases them to
a logic low condition if the pins are allowed to float.
The eighth bit of the device address is the read/write operation select bit. A read operation is initiated if this bit is high and a write operation is initiated if this bit is low.
Upon a compare of the device address, the EEPROM will output a “0”. If a compare is
not made, the device will return to a standby state.
DATA SECURITY: The AT24C512B has a hardware data protection scheme that allows
the user to Write Protect the whole memory when the WP pin is at VCC.
Write Operations
BYTE WRITE: A write operation requires two 8-bit data word addresses following the
device address word and acknowledgment. Upon receipt of this address, the EEPROM
will again respond with a “0” and then clock in the first 8-bit data word. Following receipt
of the 8-bit data word, the EEPROM will output a “0”. The addressing device, such as a
microcontroller, then must terminate the write sequence with a stop condition. At this
time the EEPROM enters an internally-timed write cycle, tWR, to the nonvolatile memory.
All inputs are disabled during this write cycle and the EEPROM will not respond until the
write is complete (see Figure 8 on page 10).
PAGE WRITE: The 512K EEPROM is capable of 128-byte page writes.
A page write is initiated the same way as a byte write, but the microcontroller does not
send a stop condition after the first data word is clocked in. Instead, after the EEPROM
acknowledges receipt of the first data word, the microcontroller can transmit up to 127
more data words. The EEPROM will respond with a “0” after each data word received.
The microcontroller must terminate the page write sequence with a stop condition (see
Figure 9 on page 10).
8
AT24C512B [Preliminary]
5112D–SEEPR–3/07
AT24C512B [Preliminary]
The data word address lower 7 bits are internally incremented following the receipt of
each data word. The higher data word address bits are not incremented, retaining the
memory page row location. When the word address, internally generated, reaches the
page boundary, the following byte is placed at the beginning of the same page. If more
than 128 data words are transmitted to the EEPROM, the data word address will “roll
over” and previous data will be overwritten. The address roll over during write is from the
last byte of the current page to the first byte of the same page.
ACKNOWLEDGE POLLING: Once the internally-timed write cycle has started and the
EEPROM inputs are disabled, acknowledge polling can be initiated. This involves sending a start condition followed by the device address word. The Read/Write bit is
representative of the operation desired. Only if the internal write cycle has completed
will the EEPROM respond with a “0”, allowing the read or write sequence to continue.
Read Operations
Read operations are initiated the same way as write operations with the exception that
the Read/Write select bit in the device address word is set to “1”. There are three read
operations: current address read, random address read and sequential read.
CURRENT ADDRESS READ: The internal data word address counter maintains the
last address accessed during the last read or write operation, incremented by “1”. This
address stays valid between operations as long as the chip power is maintained. The
address roll over during read is from the last byte of the last memory page, to the first
byte of the first page.
Once the device address with the Read/Write select bit set to “1” is clocked in and
acknowledged by the EEPROM, the current address data word is serially clocked out.
The microcontroller does not respond with an input “0” but does generate a following
stop condition (see Figure 10 on page 10).
RANDOM READ: A random read requires a “dummy” byte write sequence to load in the
data word address. Once the device address word and data word address are clocked
in and acknowledged by the EEPROM, the microcontroller must generate another start
condition. The microcontroller now initiates a current address read by sending a device
address with the Read/Write select bit high. The EEPROM acknowledges the device
address and serially clocks out the data word. The microcontroller does not respond
with a “0” but does generate a following stop condition (see Figure 11 on page 10).
SEQUENTIAL READ: Sequential reads are initiated by either a current address read or
a random address read. After the microcontroller receives a data word, it responds with
an acknowledge. As long as the EEPROM receives an acknowledge, it will continue to
increment the data word address and serially clock out sequential data words. When the
memory address limit is reached, the data word address will roll over and the sequential
read will continue. The sequential read operation is terminated when the microcontroller
does not respond with a “0” but does generate a following stop condition (see Figure 12
on page 11).
Figure 7. Device Address
1
MSB
0
1
0
A2
A1
A0
R/W
LSB
9
5112D–SEEPR–3/07
Figure 8. Byte Write
Figure 9. Page Write
Figure 10. Current Address Read
Figure 11. Random Read
10
AT24C512B [Preliminary]
5112D–SEEPR–3/07
AT24C512B [Preliminary]
Figure 12. Sequential Read
11
5112D–SEEPR–3/07
Ordering Information
Ordering Code
Voltage
AT24C512B-PU (Bulk form only)
1.8
Package
8P3
AT24C512B-PU25 (Bulk form only)
2.5
8P3
AT24C512BN-SH-B(1) (NiPdAu Lead Finish)
1.8
8S1
AT24C512BN-SH-T(2) (NiPdAu Lead Finish)
1.8
8S1
(1)
(NiPdAu Lead Finish)
2.5
8S1
(2)
(NiPdAu Lead Finish)
2.5
8S1
1.8
8S2
(NiPdAu Lead Finish)
1.8
8S2
(1)
(NiPdAu Lead Finish)
2.5
8S2
AT24C512BW-SH25-T(2) (NiPdAu Lead Finish)
2.5
8S2
AT24C512B-TH-B(1) (NiPdAu Lead Finish)
1.8
8A2
(NiPdAu Lead Finish)
1.8
8A2
(1)
(NiPdAu Lead Finish)
2.5
8A2
(2)
(NiPdAu Lead Finish)
2.5
8A2
AT24C512BY7-YH-T(2) (NiPdAu Lead Finish)
1.8
8Y7
2.5
8Y7
1.8
8U4-1
1.8
Die Sale
AT24C512BN-SH25-B
AT24C512BN-SH25-T
AT24C512BW-SH-B(1) (NiPdAu Lead Finish)
AT24C512BW-SH-T
(2)
AT24C512BW-SH25-B
AT24C512B-TH-T
(2)
AT24C512B-TH25-B
AT24C512B-TH25-T
AT24C512BY7-YH25-T
AT24C512BU4-UU-T
AT24C512B-W-11
Notes:
(2)
(2)
(NiPdAu Lead Finish)
(NiPdAu Lead Finish)
(3)
Operation Range
Lead-free/Halogen-free/
Industrial Temperature
(–40°C to 85°C)
Industrial Temperature
(–40°C to 85°C)
1. “-B” denotes bulk
2. “-T” denotes tape and reel. SOIC = 4K per reel. TSSOP and dBGA2 = 5K per reel. SAP = 3K per reel. EIAJ = 2K per reel.
3. Available in waffle pack, tape and reel, and wafer form; order as SL788 for inkless wafer form. Bumped die available upon
request. Please contact Serial EEPROM Marketing.
Package Type
8P3
8-lead, 0.300" Wide, Plastic Dual In-line Package (PDIP)
8S1
8-lead, 0.150” Wide, Plastic Gull Wing Small Outline Package (JEDEC SOIC)
8S2
8-lead, 0.200” Wide Plastic Gull Wing Small Outline Package (EIAJ SOIC)
8A2
8-lead, 4.4 mm Body, Plastic Thin Shrink Small Outline Package (TSSOP)
8Y7
8-lead, 6.00 mm x 4.90 mm Body, Ultra Thin, Dual Footprint, Non-leaded, Small Array Package (SAP)
8U4-1
8-ball, die Ball Grid Array Package (dBGA2)
Options
–1.8
Low-voltage (1.8V to 3.6V)
–2.5
Low-voltage (2.5V to 3.6V)
12
AT24C512B [Preliminary]
5112D–SEEPR–3/07
AT24C512B [Preliminary]
Packaging Information
8P3 – PDIP
E
1
E1
N
Top View
c
eA
End View
COMMON DIMENSIONS
(Unit of Measure = inches)
D
e
D1
A2 A
b2
b3
b
4 PLCS
Side View
L
SYMBOL
NOM
MAX
NOTE
2
A
–
–
0.210
A2
0.115
0.130
0.195
b
0.014
0.018
0.022
5
b2
0.045
0.060
0.070
6
b3
0.030
0.039
0.045
6
c
0.008
0.010
0.014
D
0.355
0.365
0.400
3
D1
0.005
–
–
3
E
0.300
0.310
0.325
4
E1
0.240
0.250
0.280
3
e
0.100 BSC
eA
0.300 BSC
L
Notes:
MIN
0.115
0.130
4
0.150
2
1. This drawing is for general information only; refer to JEDEC Drawing MS-001, Variation BA, for additional information.
2. Dimensions A and L are measured with the package seated in JEDEC seating plane Gauge GS-3.
3. D, D1 and E1 dimensions do not include mold Flash or protrusions. Mold Flash or protrusions shall not exceed 0.010 inch.
4. E and eA measured with the leads constrained to be perpendicular to datum.
5. Pointed or rounded lead tips are preferred to ease insertion.
6. b2 and b3 maximum dimensions do not include Dambar protrusions. Dambar protrusions shall not exceed 0.010 (0.25 mm).
01/09/02
R
2325 Orchard Parkway
San Jose, CA 95131
TITLE
8P3, 8-lead, 0.300" Wide Body, Plastic Dual
In-line Package (PDIP)
DRAWING NO.
REV.
8P3
B
13
5112D–SEEPR–3/07
8S1 – JEDEC SOIC
C
1
E
E1
L
N
∅
Top View
End View
e
B
COMMON DIMENSIONS
(Unit of Measure = mm)
A
SYMBOL
A1
D
Side View
MIN
NOM
MAX
A
1.35
–
1.75
A1
0.10
–
0.25
B
0.31
–
0.51
C
0.17
–
0.25
D
4.80
–
5.00
E1
3.81
–
3.99
E
5.79
–
6.20
e
NOTE
1.27 BSC
L
0.40
–
1.27
∅
0°
–
8°
Note: These drawings are for general information only. Refer to JEDEC Drawing MS-012, Variation AA for proper dimensions, tolerances, datums, etc.
10/7/03
R
14
1150 E. Cheyenne Mtn. Blvd.
Colorado Springs, CO 80906
TITLE
8S1, 8-lead (0.150" Wide Body), Plastic Gull Wing
Small Outline (JEDEC SOIC)
DRAWING NO.
8S1
REV.
B
AT24C512B [Preliminary]
5112D–SEEPR–3/07
AT24C512B [Preliminary]
8S2 - EIAJ SOIC
C
1
E
E1
L
N
θ
TOP VIEW
END VIEW
e
b
COMMON DIMENSIONS
(Unit of Measure = mm)
A
SYMBOL
A1
D
SIDE VIEW
NOM
MAX
NOTE
A
1.70
2.16
A1
0.05
0.25
b
0.35
0.48
5
C
0.15
0.35
5
D
5.13
5.35
E1
5.18
5.40
E
7.70
8.26
L
0.51
0.85
θ
0˚
8˚
e
Notes: 1.
2.
3.
4.
5.
MIN
1.27 BSC
2, 3
4
This drawing is for general information only; refer to EIAJ Drawing EDR-7320 for additional information.
Mismatch of the upper and lower dies and resin burrs aren't included.
It is recommended that upper and lower cavities be equal. If they are different, the larger dimension shall be regarded.
Determines the true geometric position.
Values b,C apply to plated terminal. The standard thickness of the plating layer shall measure between 0.007 to .021 mm.
4/7/06
R
2325 Orchard Parkway
San Jose, CA 95131
TITLE
8S2, 8-lead, 0.209" Body, Plastic Small
Outline Package (EIAJ)
DRAWING NO.
8S2
REV.
D
15
5112D–SEEPR–3/07
8A2 – TSSOP
3
2 1
Pin 1 indicator
this corner
E1
E
L1
N
L
Top View
End View
COMMON DIMENSIONS
(Unit of Measure = mm)
SYMBOL
D
A
b
MIN
NOM
MAX
NOTE
2.90
3.00
3.10
2, 5
3, 5
E
e
A2
D
6.40 BSC
E1
4.30
4.40
4.50
A
–
–
1.20
A2
0.80
1.00
1.05
b
0.19
–
0.30
e
Side View
L
0.65 BSC
0.45
L1
Notes:
0.60
0.75
1.00 REF
1. This drawing is for general information only. Refer to JEDEC Drawing MO-153, Variation AA, for proper dimensions, tolerances,
datums, etc.
2. Dimension D does not include mold Flash, protrusions or gate burrs. Mold Flash, protrusions and gate burrs shall not exceed
0.15 mm (0.006 in) per side.
3. Dimension E1 does not include inter-lead Flash or protrusions. Inter-lead Flash and protrusions shall not exceed 0.25 mm
(0.010 in) per side.
4. Dimension b does not include Dambar protrusion. Allowable Dambar protrusion shall be 0.08 mm total in excess of the
b dimension at maximum material condition. Dambar cannot be located on the lower radius of the foot. Minimum space between
protrusion and adjacent lead is 0.07 mm.
5. Dimension D and E1 to be determined at Datum Plane H.
5/30/02
R
16
4
2325 Orchard Parkway
San Jose, CA 95131
TITLE
8A2, 8-lead, 4.4 mm Body, Plastic
Thin Shrink Small Outline Package (TSSOP)
DRAWING NO.
8A2
REV.
B
AT24C512B [Preliminary]
5112D–SEEPR–3/07
AT24C512B [Preliminary]
8Y7 – UTSAP
PIN 1 INDEX AREA
A
D1
PIN 1 ID
D
E1
L
A1
E
e
b
e1
A
COMMON DIMENSIONS
(Unit of Measure = mm)
MIN
NOM
MAX
A
–
–
0.60
A1
0.00
–
0.05
D
5.80
6.00
6.20
E
4.70
4.90
5.10
D1
3.30
3.40
3.50
E1
3.90
4.00
4.10
b
0.35
0.40
0.45
SYMBOL
e
1.27 TYP
e1
L
NOTE
3.81 REF
0.50
0.60
0.70
10/13/05
R
1150 E. Cheyenne Mtn. Blvd.
Colorado Springs, CO 80906
TITLE
8Y7, 8-lead (6.00 x 4.90 mm Body) Ultra-Thin SOIC Array
Package (UTSAP) Y7
DRAWING NO.
REV.
8Y7
B
17
5112D–SEEPR–3/07
8U4-1 – dBGA2
D
A1 BALL PAD CORNER
5.
b
E
A1
TOP VIEW
A2
A1 BALL PAD CORNER
2
A
SIDE VIEW
1
A
B
e
C
D
(e1)
d
(d1)
BOTTOM VIEW
COMMON DIMENSIONS
(Unit of Measure = mm)
8 SOLDER BALLS
SYMBOL
A
A1
A2
b
D
E
e
e1
d
5. Dimension 'b' is measured at the maximum solder ball diameter.
d1
MIN
0.81
0.15
0.40
0.25
NOM
MAX
NOTE
0.91 1.00
0.20 0.25
0.45 0.50
0.30 0.35
2.47 BSC
4.07 BSC
0.75 BSC
0.74 REF
0.75 BSC
0.80 REF
This drawing is for general information only.
1/5/05
TITLE
R
18
1150 E. Cheyenne Mtn. Blvd.
Colorado Springs, CO 80906
8U4-1, 8-ball, 2.47 x 4.07 mm Body, 0.75 mm pitch,
Small Die Ball Grid Array Package (dBGA2)
DRAWING NO.
REV.
PO8U4-1
A
AT24C512B [Preliminary]
5112D–SEEPR–3/07
AT24C512B [Preliminary]
Revision History
Doc. Rev.
Date
Comments
5112D
3/2007
Removed No Connect row from Pin Configuration table
Removed Note from page 6
Replaced figure 4 with the correct figure
Removed MSB and LSB from Figures 8-11
Added missing Figure 12
5112C
1/2007
Modify 8-ball dBGA2 drawing on page 1
Add lines between Ordering Information table on page 11
Remove AT24C512BU4-UU25-T offering from ordering information
Add 2.5V offering
Delete 2.7V offering
Add 8Y7 package drawing
Add dBGA2 package
Add AT24C512BU4-UU-T to page 1 and ordering information
Add 2.7V offering and 2.7V characteristics
5112B
7/2006
Pg 1
Remove Preliminary
Add Advance Information
Add EIAJ SOIC part number offering to Pg 1 and Pg 12
Add EIAJ pkg drawing
Changes to Ordering information, page 12; replaced 8Y4 package
with 8Y7 (UTSAP) package drawing
Page 1 - added ultra thin SAP to features and description
5112A
8/2005
Initial document release
19
5112D–SEEPR–3/07
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5112D–SEEPR–3/07