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부품번호 | AT49BV040T-20JC 기능 |
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기능 | 4-Megabit 512K x 8 Single 2.7-volt Battery-Voltage Flash Memory | ||
제조업체 | ATMEL Corporation | ||
로고 | |||
Features
• Single Voltage for Read and Write: 2.7V to 3.6V (BV), 3.0V to 3.6V (LV)
• Fast Read Access Time - 120 ns
• Internal Program Control and Timer
• 16K bytes Boot Block With Lockout
• Fast Chip Erase Cycle Time - 10 seconds
• Byte-by-Byte Programming - 30 µs/Byte Typical
• Hardware Data Protection
• DATA Polling For End Of Program Detection
• Low Power Dissipation
– 25 mA Active Current
– 50 µA CMOS Standby Current
• Typical 10,000 Write Cycles
• Small Packaging
– 8 x 8 mm CBGA
– 8 x 14 mm V-TSOP
Description
The AT49BV/LV040 are 3-volt-only, 4-megabit Flash memories organized as 524,288
words of 8-bits each. Manufactured with Atmel’s advanced nonvolatile CMOS tech-
nology, the devices offer access times to 120 ns with power dissipation of just 90 mW
over the commercial temperature range. When the device is deselected, the CMOS
standby current is less than 50 µA.
The device contains a user-enabled “boot block” protection feature. Two versions of
the feature are available: the AT49BV/LV040 locates the boot block at lowest order
addresses (“bottom boot”); the AT49BV/LV040T locates it at highest order addresses
(“top boot”).
(continued)
Pin Configurations
Pin Name
A0 - A18
CE
OE
WE
I/O0 - I/O7
Function
Addresses
Chip Enable
Output Enable
Write Enable
Data Inputs/Outputs
PLCC Top View
CBGA Top View
1234567
A
GND I/O6 VCC VCC I/O2 OE GND
B
A17 I/O7 I/O4 NC NC I/O0 CE
C
A10 NC I/O5 NC I/O3 I/O1 A0
D
A14 A13 A9 NC NC A6 A3
E
A16 A11 WE NC A7 A4 A1
F
A15 A12 A8 NC A18 A5 A2
V - TSOP Top View (8 x 14 mm) or
T - TSOP Top View (8 x 20 mm)
4-Megabit
(512K x 8)
Single 2.7-volt
Battery-Voltage™
Flash Memory
AT49BV040
AT49BV040T
AT49LV040
AT49LV040T
AT49BV/LV040
0679AX-A–9/97
1
Command Definition (in Hex)
Command
Sequence
Read
Chip Erase
Byte Program
Boot Block Lockout(1)
Product ID Entry
Product ID Exit(2)
Product ID Exit(2)
Bus
Cycles
1
6
4
6
3
3
1
1st Bus
Cycle
Addr Data
Addr
5555
DOUT
AA
5555 AA
5555 AA
5555 AA
5555 AA
XXXX F0
2nd Bus
Cycle
Addr Data
2AAA
2AAA
2AAA
2AAA
2AAA
55
55
55
55
55
3rd Bus
Cycle
Addr Data
5555
5555
5555
5555
5555
80
A0
80
90
F0
4th Bus
Cycle
Addr Data
5555
Addr
5555
AA
DIN
AA
5th Bus
Cycle
Addr Data
2AAA 55
2AAA 55
6th Bus
Cycle
Addr Data
5555 10
5555 40
Notes: 1. The 16K byte boot sector has the address range 00000H to 03FFFH for the AT49BV/LV040 and 7C000H to 7FFFFH for the
AT49BV/LV040T.
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 Maxi-
mum Ratings” may cause permanent damage to the
device. This is a stress rating only and functional
operation of the device at these or any other condi-
tions beyond those indicated in the operational sec-
tions of this specification is not implied. Exposure to
absolute maximum rating conditions for extended
periods may affect device reliability.
4 AT49BV/LV040
4페이지 AC Byte Load Characteristics
Symbol
tAS, tOES
tAH
tCS
tCH
tWP
tDS
tDH, tOEH
tWPH
Parameter
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
AT49BV/LV040
Min Max
0
100
0
0
200
100
0
200
Units
ns
ns
ns
ns
ns
ns
ns
ns
CE Controlled
7
7페이지 | |||
구 성 | 총 12 페이지수 | ||
다운로드 | [ AT49BV040T-20JC.PDF 데이터시트 ] |
당사 플랫폼은 키워드, 제품 이름 또는 부품 번호를 사용하여 검색할 수 있는 |
구매 문의 | 일반 IC 문의 : 샘플 및 소량 구매 ----------------------------------------------------------------------- IGBT, TR 모듈, SCR 및 다이오드 모듈을 포함한 광범위한 전력 반도체를 판매합니다. 전력 반도체 전문업체 상호 : 아이지 인터내셔날 사이트 방문 : [ 홈페이지 ] [ 블로그 1 ] [ 블로그 2 ] |
부품번호 | 상세설명 및 기능 | 제조사 |
AT49BV040T-20JC | 4-Megabit 512K x 8 Single 2.7-volt Battery-Voltage Flash Memory | ATMEL Corporation |
AT49BV040T-20JI | 4-Megabit 512K x 8 Single 2.7-volt Battery-Voltage Flash Memory | ATMEL Corporation |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |