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부품번호 | PYA28C64B 기능 |
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기능 | STATIC CMOS RAM | ||
제조업체 | PYRAMID | ||
로고 | |||
FEATURES
Access Times of 150, 200, 250 and 350ns
Single 5V±10% Power Supply
Simple Byte and Page Write
Low Power CMOS:
- 40 mA Active Current
- 100 µA Standby Current
Fast Write Cycle Times
PYA28C64B
8K x 8 EEPROM
Software Data Protection
CMOS & TTL Compatible Inputs and Outputs
Endurance:
- 100,000 Write Cycles
Data Retention: 10 Years
Available in the following packages:
– 28-Pin 600 mil Ceramic DIP
– 32-Pin Ceramic LCC (450x550 mils)
DESCRIPTION
The PYA28C64B is a 5 Volt 8Kx8 EEPROM. The device
supports 64-byte page write operation. The PYA28C64B
features DATA and Toggle Bit Polling to indicate early
completion of a Write Cycle. The device also includes
user-optional software data protection. Data Retention is
10 Years. The device is available in a 28-Pin 600 mil wide
Ceramic DIP and 32-Pin LCC.
Functional Block Diagram
Pin Configuration
Document # EEPROM111 REV 02
DIP (C5-1)
LCC (L6)
Modified April 2015
POWER-UP TIMING
Symbol
Parameter
tPUR Power-up to Read operation
tPUW Power-up to Write operation
PYA28C64B - 8K x 8 EEPROM
Max Unit
100 µs
5 ms
AC ELECTRICAL CHARACTERISTICS—READ CYCLE
(VCC = 5V ± 10%, All Temperature Ranges)(2)
Sym Parameter
-150
Min Max
-200
Min Max
tAVAV
tAVQV
tELQV
tOLQV
tELQX
tEHQZ
tOLQX
tOHQZ
tAVQX
Read Cycle Time
Address Access Time
Chip Enable Access Time
Output Enable Access Time
Chip Enable to Output in Low Z
Chip Disable to to Output in High Z
Output Enable to Output in Low Z
Output Disable to Output in High Z
Output Hold from Address Change
150 200
150 200
150 200
70 80
00
50 55
00
50 55
00
-250
Min Max
250
250
250
100
0
60
0
60
0
-350
Min Max
350
350
350
100
0
70
0
70
0
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
TIMING WAVEFORM OF READ CYCLE
Document # EEPROM111 REV 02
Page 4
4페이지 SOFTWARE DATA PROTECTION ENABLE
ALGORITHM(1)
PYA28C64B - 8K x 8 EEPROM
SOFTWARE DATA PROTECTION DISABLE
ALGORITHM(1)
(SDP Set)
Notes:
1. Data Format: I/O7 - I/O0 (Hex)
Address Format: A12 - A0 (Hex)
2. Write Protect state will be activated at end of write even if no other data is loaded.
3. Write Protect state will be deactivated at end of write period even if no other data is loaded.
4. 1 to 64 bytes of data are loaded.
Document # EEPROM111 REV 02
(SDP Reset)
Page 7
7페이지 | |||
구 성 | 총 11 페이지수 | ||
다운로드 | [ PYA28C64B.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 |
PYA28C64 | EEPROM | PYRAMID |
PYA28C64B | STATIC CMOS RAM | PYRAMID |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |