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AT25320 데이터시트 PDF




ATMEL Corporation에서 제조한 전자 부품 AT25320은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 AT25320 자료 제공

부품번호 AT25320 기능
기능 SPI Serial EEPROMs
제조업체 ATMEL Corporation
로고 ATMEL Corporation 로고


AT25320 데이터시트 를 다운로드하여 반도체의 전기적 특성과 매개변수에 대해 알아보세요.




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AT25320 데이터시트, 핀배열, 회로
Features
Serial Peripheral Interface (SPI) Compatible
Supports SPI Modes 0 (0,0) and 3 (1,1)
Low-voltage and Standard-voltage Operation
– 2.7 (VCC = 2.7V to 5.5V)
– 1.8 (VCC = 1.8V to 5.5V)
3.0 MHz 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 (5 ms Typical)
High-reliability
– Endurance: One Million Write Cycles
– Data Retention: 100 Years
Automotive Grade Devices Available
8-lead PDIP, 8-lead JEDEC SOIC and 14-lead TSSOP Packages
Description
The AT25080/160/320/640 provides 8192/16384/32768/65536 bits of serial electri-
cally-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
industrial and commercial applications where low-power and low-voltage operation
are essential. The AT25080/160/320/640 is available in space saving 8-lead PDIP, 8-
lead JEDEC SOIC and 14-lead TSSOP packages.
The AT25080/160/320/640 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 sepa-
rate ERASE cycle is required before WRITE.
SPI Serial
EEPROMs
8K (1024 x 8)
16K (2048 x 8)
32K (4096 x 8)
64K (8192 x 8)
AT25080
AT25160
AT25320
AT25640
Pin Configuration
Pin Name
CS
Function
Chip Select
SCK
SI
SO
Serial Data Clock
Serial Data Input
Serial Data Output
GND
VCC
WP
HOLD
Ground
Power Supply
Write Protect
Suspends Serial Input
NC No Connect
DC Don’t Connect
8-lead PDIP
CS
SO
WP
GND
1
2
3
4
8 VCC
7 HOLD
6 SCK
5 SI
8-lead SOIC
CS
SO
WP
GND
1
2
3
4
8 VCC
7 HOLD
6 SCK
5 SI
14-lead TSSOP
CS
SO
NC
NC
NC
WP
GND
1
2
3
4
5
6
7
14 VCC
13 HOLD
12 NC
11 NC
10 NC
9 SCK
8 SI
0675M–SEEPR–9/03
1




AT25320 pdf, 반도체, 판매, 대치품
AC Characteristics
Applicable over recommended operating range from TAI = -40°C to +85°C, VCC = As Specified, CL = 1 TTL Gate and
100 pF (unless otherwise noted).
Symbol
Parameter
Voltage
Min
Max Units
fSCK SCK Clock Frequency
4.5 - 5.5
2.7 - 5.5
1.8 - 5.5
0
0
0
3.0
2.1 MHz
0.5
tRI Input Rise Time
4.5 - 5.5
2.7 - 5.5
1.8 - 5.5
2
2 µs
2
tFI Input Fall Time
4.5 - 5.5
2.7 - 5.5
1.8 - 5.5
2
2 µs
2
tWH SCK High Time
4.5 - 5.5
2.7 - 5.5
1.8 - 5.5
133
200
800
ns
tWL SCK Low Time
4.5 - 5.5
2.7 - 5.5
1.8 - 5.5
133
200
800
ns
tCS CS High Time
4.5 - 5.5
2.7 - 5.5
1.8 - 5.5
250
250
1000
ns
tCSS CS Setup Time
4.5 - 5.5
2.7 - 5.5
1.8 - 5.5
250
250
1000
ns
tCSH CS Hold Time
4.5 - 5.5
2.7 - 5.5
1.8 - 5.5
250
250
1000
ns
tSU Data In Setup Time
4.5 - 5.5
2.7 - 5.5
1.8 - 5.5
50
50
100
ns
tH Data In Hold Time
4.5 - 5.5
2.7 - 5.5
1.8 - 5.5
50
50
100
ns
tHD Hold Setup Time
4.5 - 5.5
2.7 - 5.5
1.8 - 5.5
100
100
400
tCD Hold Hold Time
4.5 - 5.5
2.7 - 5.5
1.8 - 5.5
200
200
400
ns
tV Output Valid
4.5 - 5.5
2.7 - 5.5
1.8 - 5.5
0
0
0
133
200 ns
800
tHO Output Hold Time
4.5 - 5.5
2.7 - 5.5
1.8 - 5.5
0
0
0
ns
4 AT25080/160/320/640
0675M–SEEPR–9/03

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AT25320 전자부품, 판매, 대치품
SPI Serial Interface
AT25080/160/320/640
0675M–SEEPR–9/03
7

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