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Atmel Electronic Components Datasheet

AT25160B Datasheet

SPI Serial EEPROM

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AT25080B and AT25160B
SPI Serial EEPROMs
8K (1,024 x 8) and 16K (2,048 x 8)
DATASHEET
Features
Serial Peripheral Interface (SPI) Compatible
Supports SPI Modes 0 (0,0) and 3 (1,1)
̶ Datasheet Describes Mode 0 Operation
Low-voltage and Standard-voltage Operation
̶ 1.8 (VCC = 1.8V to 5.5V)
20MHz Clock Rate (5V)
32-byte Page Mode
Block Write Protection
̶ Protect 1/4, 1/2, or Entire Array
Write Protect (WP) Pin and Write Disable Instructions for Both Hardware and
Software Data Protection
Self-timed Write Cycle (5ms max)
High Reliability
̶ Endurance: 1,000,000 Write Cycles
̶ Data Retention: 100 Years
Green (Pb/Halide-free/RoHS Compliant) Packaging Options
Die Sales: Wafer Form, Tape and Reel, and Bumped Wafers
Description
The Atmel® AT25080B/160B provides 8,192/16,384 bits of Serial Electrically-
Erasable Programmable Read-Only Memory (EEPROM) organized as
1,024/2,048 words of 8 bits each. The device is optimized for use in many
industrial and commercial applications where low-power and low-voltage
operation are essential. The AT25080B/160B is available in space-saving 8-lead
JEDEC SOIC, 8-lead TSSOP, 8-pad UDFN, 8-pad XDFN, 8-ball VFBGA, and
8-ball WLCSP packages.
The AT25080B/160B is enabled through the Chip Select pin (CS) and accessed
via a 3-wire interface consisting of Serial Data Input (SI), Serial Data Output (SO),
and Serial Clock (SCK). All programming cycles are completely self-timed, and no
separate erase cycle is required before write.
Block Write protection is enabled by programming the status register with one of
four blocks of write protection. Separate program enable and program disable
instructions are provided for additional data protection. Hardware data protection
is provided via the WP pin to protect against inadvertent write attempts to the
status register. The HOLD pin may be used to suspend any serial communication
without resetting the serial sequence.
Atmel-5228G-SEEPROM-AT25080B-160B-Datasheet_012015


Atmel Electronic Components Datasheet

AT25160B Datasheet

SPI Serial EEPROM

No Preview Available !

1. Pin Configurations and Pinouts
Table 1. Pin Configurations
Pin Name
CS
GND
HOLD
SCK
SO
SI
WP
VCC
Function
Chip Select
Ground
Suspends Serial Input
Serial Data Clock
Serial Data Output
Serial Data Input
Write Protect
Power Supply
8-lead SOIC
(Top View)
CS
SO
WP
GND
1
2
3
4
8 VCC
7 HOLD
6 SCK
5 SI
8-pad UDFN/XDFN
(Top View)
CS
SO
WP
GND
1
2
3
4
8 VCC
7 HOLD
6 SCK
5 SI
CS
SO
WP
GND
8-lead TSSOP
(Top View)
18
27
36
45
VCC
HOLD
SCK
SI
8-ball VFBGA
(Top View)
CS 1 8 VCC
SO 2 7 HOLD
WP 3 6 SCK
GND 4 5 SI
8-ball WLSCP
(Top View)
GND
SI
WP
SO SCK
HOLD
CS VCC
Note: Drawings are not to scale.
2. Absolute Maximum Ratings*
Operating Temperature . . . . . . . . . . .-55C to +125C
Storage Temperature . . . . . . . . . . . . .-65°C to +150°C
Voltage on Any Pin
with Respect to Ground . . . . . . . . . . . . -1.0V to +7.0V
Maximum Operating Voltage . . . . . . . . . . . . . . . 6.25V
DC Output Current . . . . . . . . . . . . . . . . . . . . . . .5.0mA
*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.
2 AT25080B/160B [DATASHEET]
Atmel-5228G-SEEPROM-AT25080B-160B-Datasheet_012015


Part Number AT25160B
Description SPI Serial EEPROM
Maker Atmel
Total Page 25 Pages
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