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25LC080A Datasheet

  • 25LC080A

  • SPI Serial EEPROM Family

  • 921.90KB

  • 44页

  • Microchip

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25AA080A/B, 25LC080A/B
8K SPI
鈩?/div>
Bus Serial EEPROM
Device Selection Table
Part Number
25LC080A
25AA080A
25LC080B
25AA080B
V
CC
Range
2.5-5.5V
1.8-5.5V
2.5-5.5V
1.8-5.5V
Page Size
16 Byte
16 Byte
32 Byte
32 Byte
Temp. Ranges
I, E
I
I, E
I
Packages
P, SN, ST, MS
P, SN, ST, MS
P, SN, ST, MS
P, SN, ST, MS
Features
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Max. clock 10 MHz
Low-power CMOS technology
1024 x 8-bit organization
16 byte page (鈥楢鈥?version devices)
32 byte page (鈥楤鈥?version devices)
Write cycle time: 5 ms max.
Self-timed ERASE and WRITE cycles
Block write protection
- Protect none, 1/4, 1/2 or all of array
Built-in write protection
- Power-on/off data protection circuitry
- Write enable latch
- Write-protect pin
Sequential read
High reliability
- Endurance: 1,000,000 erase/write cycles
- Data retention: > 200 years
- ESD protection: > 4000V
Temperature ranges supported;
- Industrial (I):
-40掳C to +85掳C
- Automotive (E):
-40掳C to +125掳C
Description
The Microchip Technology Inc. 25AA080A/B,
25LC080A/B (25XX080A/B
*
) are 8 Kbit Serial
Electrically Erasable PROMs. The memory is accessed
via a simple Serial Peripheral Interface鈩?(SPI鈩?
compatible serial bus. The bus signals required are a
clock input (SCK) plus separate data in (SI) and data
out (SO) lines. Access to the device is controlled
through a Chip Select (CS) input.
Communication to the device can be paused via the
hold pin (HOLD). While the device is paused, transi-
tions on its inputs will be ignored, with the exception of
chip select, allowing the host to service higher priority
interrupts.
The 25XX080A/B is available in standard packages
including 8-lead PDIP and SOIC, and advanced
packaging including 8-lead MSOP, and 8-lead TSSOP.
Pb-free (Pure Matte Sn) finish is also available.
鈥?/div>
鈥?/div>
Package Types (not to scale)
TSSOP/MSOP
(ST, MS)
CS
SO
WP
V
SS
1
2
3
4
8
7
6
5
V
CC
HOLD
SCK
SI
鈥?/div>
PDIP/SOIC
(P, SN)
CS
SO
WP
V
SS
1
2
3
4
8
7
6
5
V
CC
HOLD
SCK
SI
Pin Function Table
Name
CS
SO
WP
V
SS
SI
SCK
HOLD
V
CC
Function
Chip Select Input
Serial Data Output
Write-Protect
Ground
Serial Data Input
Serial Clock Input
Hold Input
Supply Voltage
SPI is a registered trademark of Motorola Semiconductor.
*25XX080A/B is used in this document as a generic part
number for the 25AA080A/B, 25LC080A/B.
铮?/div>
2003 Microchip Technology Inc.
DS21808B-page 1

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