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AT49F080T 데이터시트 PDF




ATMEL Corporation에서 제조한 전자 부품 AT49F080T은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

PDF 형식의 AT49F080T 자료 제공

부품번호 AT49F080T 기능
기능 8-Megabit 5-volt Only Flash Memory
제조업체 ATMEL Corporation
로고 ATMEL Corporation 로고


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AT49F080T 데이터시트, 핀배열, 회로
Features
Single Voltage Operation
– 5V Read
– 5V Reprogramming
Fast Read Access Time - 90 ns
Internal Program Control and Timer
16K bytes Boot Block With Lockout
Fast Erase Cycle Time - 10 seconds
Byte-By-Byte Programming - 10 µs/Byte Typical
Hardware Data Protection
DATA Polling For End Of Program Detection
Low Power Dissipation
– 50 mA Active Current
– 100 µA CMOS Standby Current
Typical 10,000 Write Cycles
Description
The AT49F080 is a 5-volt-only in-system Flash Memory device. Its 8-megabits of
memory is organized as 1,024,576 words by 8-bits. Manufactured with Atmel’s
advanced nonvolatile CMOS technology, the device offers access times to 90 ns with
power dissipation of just 275 mW over the commercial temperature range. When the
device is deselected, the CMOS standby current is less than 100 µA.
The device contains a user-enabled “boot block” protection feature. Two versions of
the feature are available: the AT49F080 locates the boot block at lowest order
addresses (“bottom boot”); the AT49F080T locates it at highest order addresses (“top
boot”).
Pin Configurations
SOIC
(continued)
Pin Name
A0 - A19
CE
OE
WE
RESET
RDY/BUSY
I/O0 - I/O7
NC
Function
Addresses
Chip Enable
Output Enable
Write Enable
Reset
Ready/Busy Output
Data Inputs/Outputs
No Connect
CBGA Top View
1234567
NC
RESET
A11
A10
A9
A8
A7
A6
A5
A4
NC
NC
A3
A2
A1
A0
I/O0
I/O1
I/O2
I/O3
GND
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
44 VCC
43 CE
42 A12
41 A13
40 A14
39 A15
38 A16
37 A17
36 A18
35 A19
34 NC
33 NC
32 NC
31 NC
30 WE
29 OE
28 RDY/BUSY
27 I/O7
26 I/O6
25 I/O5
24 I/O4
23 VCC
A
A5 A8 A11 NC A12 A15 A17
B
A4 A7 A10 VCC A13 NC A18
C
A6 A9 RST CE A14 A16 A19
D
A3 I/O1 NC VCC I/O4 I/O7 NC
E
A2 A0 I/O3 GND I/O6 OE NC
F
A1 I/O0 I/O2 GND I/O5 RY/BY WE
A19
A18
A17
A16
A15
A14
A13
A12
CE
NC VCC
RESET
A11 A10
A9 A8
A7 A6
A5 A4
1
2
3
4
5
6
7
8
9
10
11
12
14 13
16 15
18 17
20 19
TSOP Top VIew
Type 1
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26 25
24 23
22 21
NC
NC
WE
OE
RDY/BUSY
I/O7
I/O6
I/O5
I/O4
VCC
GND
GND
I/O3
I/O2
I/O0 I/O1
A1 A0
A3 A2
8-Megabit
(1M x 8)
5-volt Only
Flash
Memory
AT49F080
AT49F080T
AT49F080/080T
0584B-A–8/97
1




AT49F080T pdf, 반도체, 판매, 대치품
Command Definition (in Hex)
Command
Sequence
Bus
Cycles
1st Bus
Cycle
Addr Data
2nd Bus
Cycle
Addr Data
3rd Bus
Cycle
Addr Data
4th Bus
Cycle
Addr Data
5th Bus
Cycle
Addr Data
6th Bus
Cycle
Addr Data
Read
Chip Erase
1 Addr DOUT
6 5555 AA 2AAA 55 5555 80 5555 AA 2AAA 55 5555 10
Byte Program
4 5555 AA 2AAA 55 5555 A0 Addr DIN
Boot Block Lockout(1) 6 5555 AA 2AAA 55 5555 80 5555 AA 2AAA 55 5555 40
Product ID Entry
3 5555 AA 2AAA 55 5555 90
Product ID Exit(2)
3 5555 AA 2AAA 55 5555 F0
Product ID Exit(2)
1 XXXX F0
Notes: 1. The 16K byte boot sector has the address range 00000H to 03FFFH for the AT49F080 and FC000H to FFFFFH for the
AT49F080T.
2. Either one of the Product ID Exit commands can be used.
Absolute Maximum Ratings*
Temperature Under Bias................................ -55°C to +125°C
Storage Temperature ..................................... -65°C to +150°C
All Input Voltages
(including NC Pins)
with Respect to Ground ...................................-0.6V to +6.25V
All Output Voltages
with Respect to Ground ............................ -0.6V to VCC + 0.6V
Voltage on OE
with Respect to Ground ...................................-0.6V to +13.5V
*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.
4 AT49F080/080T

4페이지










AT49F080T 전자부품, 판매, 대치품
AC Byte Load Characteristics
Symbol
Parameter
tAS, tOES
tAH
tCS
tCH
tWP
tDS
tDH, tOEH
tWPH
Address, OE Set-up Time
Address Hold Time
Chip Select Set-up Time
Chip Select Hold Time
Write Pulse Width (WE or CE)
Data Set-up Time
Data, OE Hold Time
Write Pulse Width High
AC Byte Load Waveforms
WE Controlled
OE
ADDRESS
CE
WE
tAS
tCS
DATA IN
tOES
tAH
tWP
tDS
CE Controlled
OE
ADDRESS
WE
CE
DATA IN
tOES
tAS tAH
tCS
tWP
tDS
AT49F080/080T
Min Max
0
50
0
0
90
50
0
90
Units
ns
ns
ns
ns
ns
ns
ns
ns
tOEH
tCH
tWPH
tDH
tOEH
tCH
tWPH
tDH
7

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AT49F080

8-Megabit 5-volt Only Flash Memory

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AT49F080T

8-Megabit 5-volt Only Flash Memory

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