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부품번호 | AT29C512-12TC 기능 |
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기능 | 512K 64K x 8 5-volt Only CMOS Flash Memory | ||
제조업체 | ATMEL Corporation | ||
로고 | |||
전체 12 페이지수
AT29C512
Features
Fast Read Access Time - 70 ns
• 5-Volt-Only Reprogramming
•• Sector Program Operation
Single Cycle Reprogram (Erase and Program)
512 Sectors (128 bytes/sector)
Internal Address and Data Latches for 128-Bytes
Internal Program Control and Timer
• Hardware and Software Data Protection
• Fast Sector Program Cycle Time - 10 ms
• DATA Polling for End of Program Detection
•• Low Power Dissipation
50 mA Active Current
100 µA CMOS Standby Current
Typical Endurance > 10,000 Cycles
•• Single 5V ±10% Supply
CMOS and TTL Compatible Inputs and Outputs
•• Commercial and Industrial Temperature Ranges
512K (64K x 8)
5-volt Only
CMOS Flash
Memory
Description
The AT29C512 is a 5-volt-only in-system Flash programmable and erasable read only
memory (PEROM). Its 512K of memory is organized as 65,536 words by 8 bits. Manu-
factured with Atmel’s advanced nonvolatile CMOS technology, the device offers ac-
cess times to 70 ns with power dissipation of just 275 mW over the commercial tem-
perature range. When the device is deselected, the CMOS standby current is less
than 100 µA. The device endurance is such that any sector can typically be written to
in excess of 10,000 times.
DIP Top View
(continued)
Pin Configurations
Pin Name Function
A0 - A15 Addresses
CE Chip Enable
OE Output Enable
WE Write Enable
I/O0 - I/O7 Data Inputs/Outputs
NC No Connect
AT29C512
PLCC Top View
TSOP Top View
Type 1
0456B
4-117
DC and AC Operating Range
Operating
Temperature (Case)
VCC Power Supply
Com.
Ind.
AT29C512-70
0°C - 70°C
5V ± 5%
AT29C512-90
0°C - 70°C
-40°C - 85°C
5V ± 10%
AT29C512-12
0°C - 70°C
-40°C - 85°C
5V ± 10%
AT29C512-15
0°C - 70°C
-40°C - 85°C
5V ± 10%
Operating Modes
Mode
Read
Program (2)
5V Chip Erase
Standby/Write Inhibit
Program Inhibit
Program Inhibit
Output Disable
Product Identification
Hardware
CE
VIL
VIL
VIL
VIH
X
X
X
VIL
OE
VIL
VIH
VIH
X (1)
X
VIL
VIH
VIL
Software (5)
Notes: 1. X can be VIL or VIH.
2. Refer to AC Programming Waveforms.
3. VH = 12.0V ± 0.5V
WE Ai I/O
VIH Ai DOUT
VIL Ai DIN
VIL Ai
X X High Z
VIH
X
X High Z
VIH
A1 - A15 = VIL, A9 = VH,(3)
A0 = VIL
A1 - A15 = VIL, A9 = VH,(3)
A0 = VIH
Manufacturer Code (4)
Device Code (4)
A0 = VIL
Manufacturer Code (4)
A0 = VIH
Device Code (4)
4. Manufacturer Code: 1F, Device Code: 5D
5. See details under Software Product Identification Entry/Exit.
DC Characteristics
Symbol
ILI
ILO
Parameter
Input Load Current
Output Leakage Current
ISB1 VCC Standby Current CMOS
ISB2
ICC
VIL
VIH
VOL
VOH1
VOH2
VCC Standby Current TTL
VCC Active Current
Input Low Voltage
Input High Voltage
Output Low Voltage
Output High Voltage
Output High Voltage CMOS
Condition
VIN = 0V to VCC
VI/O = 0V to VCC
CE = VCC - 0.3V to VCC
CE = 2.0V to VCC
f = 5 MHz; IOUT = 0 mA
Com.
Ind.
IOL = 2.1 mA
IOH = -400 µA
IOH = -100 µA; VCC = 4.5V
4-120 AT29C512
Min Max Units
10 µA
10 µA
100 µA
300 µA
3 mA
50 mA
0.8 V
2.0 V
.45 V
2.4 V
4.2 V
4페이지 Program Cycle Characteristics
Symbol
tWC
tAS
tAH
tDS
tDH
tWP
tBLC
tWPH
Parameter
Write Cycle Time
Address Set-up Time
Address Hold Time
Data Set-up Time
Data Hold Time
Write Pulse Width
Byte Load Cycle Time
Write Pulse Width High
Program Cycle Waveforms (1, 2, 3)
Min
0
50
35
0
90
100
AT29C512
Max Units
10 ms
ns
ns
ns
ns
ns
150 µs
ns
Notes: 1. A7 through A15 must specify the sector address
during each high to low transition of WE (or CE).
2. OE must be high when WE and CE are both low.
3. All bytes that are not loaded within the sector being
programmed will be indeterminate.
4-123
7페이지 | |||
구 성 | 총 12 페이지수 | ||
다운로드 | [ AT29C512-12TC.PDF 데이터시트 ] |
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부품번호 | 상세설명 및 기능 | 제조사 |
AT29C512-12TC | 512K 64K x 8 5-volt Only CMOS Flash Memory | ATMEL Corporation |
AT29C512-12TI | 512K 64K x 8 5-volt Only CMOS Flash Memory | ATMEL Corporation |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |