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AT25160A-10TI-2.7

Part # AT25160A-10TI-2.7
Description IC EEPROM 16KBIT 20MHZ 8TSSOP
Category IC
Availability In Stock
Qty 78
Qty Price
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17 - 32 $2.67750
33 - 49 $2.52450
50 - 65 $2.34600
66 + $2.09100
Manufacturer Available Qty
Atmel
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Technical Document


DISCLAIMER: The information provided herein is solely for informational purposes. Customers must be aware of the suitability of this product for their application, and consider that variable factors such as Manufacturer, Product Category, Date Codes, Pictures and Descriptions may differ from available inventory.

1
Features
• Serial Peripheral Interface (SPI) Compatible
• Supports SPI Modes 0 (0,0) and 3 (1,1)
– Data Sheet Describes Mode 0 Operation
• Medium-voltage and Standard-voltage Operation
– 2.7 (V
CC
= 2.7V to 5.5V)
• Extended Temperature Range –40°C to 125°C
• 5.0 MHz Clock Rate
• 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 (2 ms [5V] typical)
• High Reliability
– Endurance: One Million Write Cycles
– Data Retention: 100 Years
• 8-lead PDIP, 8-lead JEDEC SOIC Packages and 8-lead TSSOP Packages
Description
The AT25080A/160A/320A/640A provides 8192/16384/32768/65536 bits of serial
electrically-erasable programmable read-only memory (EEPROM) organized as
1024/2048/4096/8192 words of 8 bits each. The device is optimized for use in many
automotive applications where low-power and low-voltage operation are essential.
The AT25080A/160A/320A/640A is available in space-saving 8-lead PDIP, 8-lead
JEDEC SOIC and 8-lead TSSOP packages.
The AT25080A/160A/320A/640A is enabled through the Chip Select pin (CS
) and
accessed via a three-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.
Table 1. Pin Configurations
Pin Name Function
CS
Chip Select
SCK Serial Data Clock
SI Serial Data Input
SO Serial Data Output
GND Ground
VCC Power Supply
WP
Write Protect
HOLD
Suspends Serial Input
NC No Connect
DC Don’t Connect
SPI Serial
Extended
Temperature
EEPROMs
8K (1024 x 8)
16K (2048 x 8)
32K (4096 x 8)
64K (8192 x 8)
AT25080A
AT25160A
AT25320A
AT25640A
5082B–SEEPR–1/05
1
2
3
4
8
7
6
5
CS
SO
WP
GND
VCC
HOLD
SCK
SI
8-lead PDIP
1
2
3
4
8
7
6
5
CS
SO
WP
GND
VCC
HOLD
SCK
SI
8-lead TSSOP
1
2
3
4
8
7
6
5
CS
SO
WP
GND
VCC
HOLD
SCK
SI
8-lead SOIC
2
AT25080A/160A/320A/640A
5082B–SEEPR–1/05
Figure 1. Block Diagram
Absolute Maximum Ratings*
Operating Temperature......................................−40°C to +125°C
*NOTICE: Stresses beyond those listed under “Absolute
Maximum Ratings” may cause permanent dam-
age 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.
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........................................................ 5.0 mA
3
AT25080A/160A/320A/640A
5082B–SEEPR–1/05
Table 2. Pin Capacitance
(1)
Note: 1. This parameter is characterized and is not 100% tested.
Table 3. DC Characteristics
Note: 1. Worst case measured at 125°C
2. V
IL
min and V
IH
max are reference only and are not tested.
Applicable over recommended operating range from T
AE
= 25°C, f = 1.0 MHz, V
CC
= +5.0V (unless otherwise noted)
Symbol Test Conditions Max Units Conditions
C
OUT
Output Capacitance (SO) 8 pF V
OUT
= 0V
C
IN
Input Capacitance (CS, SCK, SI, WP, HOLD)6pFV
IN
= 0V
Applicable over recommended operating range from: T
AE
= −40°C to +125°C, V
CC
= +2.7V to +5.5V
Symbol Parameter Test Condition Min Typ Max Units
V
CC1
Supply Voltage 2.7 5.5 V
I
CC1
Supply Current V
CC
= 5.0V at 5 MHz, SO = Open, Read 6.0 mA
I
CC2
Supply Current V
CC
= 5.0V at 1 MHz 3.0 mA
I
CC3
Supply Current V
CC
= 5.0V at 5 MHz, SO = Open,
Read, Write
7.0 mA
I
SB1
Standby Current V
CC
= 2.7V, CS = V
CC
0.2 10.0
(1)
µA
I
SB2
Standby Current V
CC
= 5.0V, CS = V
CC
2.0 13.0
(1)
µA
I
IL
Input Leakage V
IN
= 0V to V
CC
−3.0 µA
I
OL
Output Leakage V
IN
= 0V to V
CC
−3.0 3.0 µA
V
IL
(2)
Input Low-voltage −0.6 V
CC
x 0.3 V
V
IH
(2)
Input High-voltage V
CC
x 0.7 V
CC
+ 0.5 V
V
OL1
Output Low-voltage
2.7V ≤ V
CC
≤ 5.5V
I
OL
= 3.0 mA 0.4 V
V
OH1
Output High-voltage I
OH
= −1.6 mA V
CC
− 0.8 V
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