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AT25080A 데이터시트 PDF




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부품번호 AT25080A 기능
기능 SPI Automotive Temperature Serial EEPROMs
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로고 ATMEL Corporation 로고


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AT25080A 데이터시트, 핀배열, 회로
NOT RECOMMENDED
FOR NEW DESIGNS
1. AT25080A Replaced by
AT25080B Automotive
2. AT25160A Replaced by
AT25160B Automotive
3. AT25320A Replaced by
AT25320B Automotive
4. AT25640A Replaced by
AT25640B Automotive
AT25080A(1),AT25160A(2)
AT25320A(3),AT25640A(4)
SPI Automotive Temperature Serial EEPROMs
8K (1024 x 8), 16K (2048 x 8), 32K (4096 x 8), 64K (8192 x 8)
Features
DATASHEET
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 (VCC = 2.7V to 5.5V)
Extended Temperature Range: –40C to 125C
5MHz 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 (2ms at 5.0V VCC Typical)
High Reliability
̶ Endurance: 1,000,000 Write Cycles
̶ Data Retention: 100 Years
8-lead JEDEC SOIC and TSSOP Packages
Description
The AT25080A/160A/320A/640A provides 8,192/16,384/32,768/65,536 bits of
Serial Electrically-Erasable Programmable Read-only Memory (EEPROM)
organized as 1,024/2,048/4,096/8,192 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 JEDEC SOIC and TSSOP packages.
The AT25080A/160A/320A/640A 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-5082E-SEEPROM-AT25080A-160A-320A-640A-Auto-Datasheet_102014




AT25080A pdf, 반도체, 판매, 대치품
4. Memory Organization
4.1 Pin Capacitance
Table 4-1.
Pin Capacitance(1)
Applicable over recommended operating range from TA = 25C, f = 1.0MHz, VCC = +5.0V (unless otherwise noted).
Symbol
Test Conditions
Max
Units
Conditions
COUT
CIN
Output Capacitance (SO)
Input Capacitance (CS, SCK, SI, WP, HOLD)
8 pF VOUT = 0V
6 pF VIN = 0V
Note: 1. This parameter is characterized and is not 100% tested.
4.2 DC Characteristics
Table 4-2. DC Characteristics
Applicable over recommended operating range from: TA = 40C to +125C, VCC = +2.7V to +5.5V.
Symbol Parameter
Test Condition
Min Typ
VCC1
ICC1
ICC2
ICC3
Supply Voltage
Supply Current
Supply Current
Supply Current
VCC = 5.0V at 5MHz, SO = Open, Read
VCC = 5.0V at 1MHz
VCC = 5.0V at 5MHz,
SO = Open, Read, Write
2.7
ISB1
ISB2
IIL
IOL
VIL(2)
VIH(2)
VOL1
VOH1
Standby Current
Standby Current
Input Leakage
Output Leakage
Input Low-voltage
Input High-voltage
Output Low-voltage
Output High-voltage
VCC = 2.7V, CS = VCC
VCC = 5.0V, CS = VCC
VIN = 0V to VCC
VIN = 0V to VCC
2.7V VCC 5.5V
2.7V VCC 5.5V
IOL = 3.0mA
IOH = 1.6mA
3.0
3.0
0.6
VCC x 0.7
VCC 0.8
0.2
2.0
Notes: 1. Worst case measured at 125C.
2. VIL min and VIH max are reference only and are not tested.
Max Units
5.5 V
6.0 mA
3.0 mA
7.0 mA
10.0(1)
13.0(1)
3.0
VCC x 0.3
VCC + 0.5
0.4
μA
μA
μA
μA
V
V
V
V
4 AT25080A/160A/320A/640A Automotive [DATASHEET]
Atmel-5082E-SEEPROM-AT25080A-160A-320A-640A-Auto-Datasheet_102014

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AT25080A 전자부품, 판매, 대치품
Figure 5-1. SPI Serial Interface
Master:
Microcontroller
Data Out (MOSI)
Data In (MISO)
Serial Clock (SPI CK)
SS0
SS1
SS2
SS3
Slave:
AT25080A/160A/320A
SI
SO
SCK
CS
SI
SO
SCK
CS
SI
SO
SCK
CS
SI
SO
SCK
CS
AT25080A/160A/320A/640A Automotive [DATASHEET]
Atmel-5082E-SEEPROM-AT25080A-160A-320A-640A-Auto-Datasheet_102014
7

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관련 데이터시트

부품번호상세설명 및 기능제조사
AT25080

SPI Serial EEPROMs

ATMEL Corporation
ATMEL Corporation
AT25080A

SPI Automotive Temperature Serial EEPROMs

ATMEL Corporation
ATMEL Corporation

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