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Maxim > 솔루션 > 전송 노드, 액세스 노드, 애드/드롭 멀티플렉서 및 디지털 크로스커넥트
비휘발성 메모리
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| 디스플레이 |
제목/부품번호 |
주요 성능 (이점) |
| QV PDF |
NV RAM 제어 기능을 갖는 워치독 클록
DS1558, DS1558W, DS1558Y
| DS155X 워치독 클록 모듈에 대한 개별 부품 옵션 |
| QV PDF |
Y2K 규격 만족, 비휘발성 타임키핑 RAM
DS1747, DS1747P
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| QV PDF |
Y2K 규격 만족, 비휘발성 타임키핑 RAM
DS1746, DS1746P
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| QV PDF |
Y2K 규격 만족, 비휘발성 타임키핑 RAM
DS1744, DS1744P
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| QV PDF |
Y2K 규격 만족, 비휘발성 타임키핑 RAM
DS1743, DS1743P
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| QV PDF |
4M, 비휘발성, Y2K 규격 만족 타임키핑 RAM
DS1557
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| QV PDF |
1M, 비휘발성, Y2K 규격 만족 타임키핑 RAM
DS1556, DS1556P
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| QV PDF |
256k 비휘발성, Y2K 규격 만족 타임키핑 RAM
DS1554
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| QV PDF |
배터리 모니터를 가진 4096k 비휘발성 SRAM
DS1350AB, DS1350Y
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| QV PDF |
배터리 모니터를 가진 1024k 비휘발성 SRAM
DS1345AB, DS1345Y
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| QV PDF |
배터리 모니터를 가진 256k 비휘발성 SRAM
DS1330AB, DS1330Y
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| QV PDF |
16M 비휘발성 SRAM
DS1270AB, DS1270Y
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| QV PDF |
8M 비휘발성 SRAM
DS1265AB, DS1265Y
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| QV PDF |
128k x 16 비휘발성 SRAM
DS1258AB, DS1258Y
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| QV PDF |
4096k 비휘발성 SRAM
DS1250AB, DS1250Y
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| QV PDF |
2048k 비휘발성 SRAM
DS1249AB, DS1249Y
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| QV PDF |
1024k 비휘발성 SRAM
DS1245AB, DS1245Y
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| QV PDF |
256k 비휘발성 SRAM
DS1230AB, DS1230Y
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| QV PDF |
64k 비휘발성 SRAM
DS1225AB, DS1225AD
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| QV PDF |
16k 비휘발성 SRAM
DS1220AB, DS1220AD
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| Key Specifications: Memory (EPROM, EEPROM, ROM, NV SRAM) |
| Part Number |
Memory Type |
Memory Size |
Bus Type |
Real Time Clock |
DIP w/Int. Batt. |
Pwr. Cap Pckg. |
Battery Monitor |
With GPIO |
VSUPPLY
(V) |
VSUPPLY
(V) |
| min |
max |
| DS1220AB |
NV SRAM |
2K x 8 |
Parallel |
No |
Yes |
No |
No |
No |
4.75 |
5.25 |
| DS1220AD |
2K x 8 |
Yes |
No |
No |
4.5 |
5.5 |
| DS1225AB |
8K x 8 |
Yes |
No |
No |
4.75 |
5.25 |
| DS1225AD |
8K x 8 |
Yes |
No |
No |
4.5 |
5.5 |
| DS1230AB |
32K x 8 |
Yes |
Yes |
No |
4.75 |
5.25 |
| DS1230Y |
32K x 8 |
Yes |
Yes |
No |
4.5 |
5.5 |
| DS1245AB |
128K x 8 |
Yes |
Yes |
No |
4.75 |
5.25 |
| DS1245Y |
128K x 8 |
Yes |
Yes |
No |
4.5 |
5.5 |
| DS1249AB |
256K x 8 |
Yes |
No |
No |
4.75 |
5.25 |
| DS1249Y |
256K x 8 |
Yes |
No |
No |
4.5 |
5.5 |
| DS1250AB |
512K x 8 |
Yes |
Yes |
No |
4.75 |
5.25 |
| DS1250Y |
512K x 8 |
Yes |
Yes |
No |
4.5 |
5.5 |
| DS1265AB |
1M x 8 |
Yes |
No |
No |
4.75 |
5.25 |
| DS1265Y |
1M x 8 |
Yes |
No |
No |
4.5 |
5.5 |
| DS1270AB |
2M x 8 |
Yes |
No |
No |
4.75 |
5.25 |
| DS1270Y |
2M x 8 |
Yes |
No |
No |
4.5 |
5.5 |
| DS1330AB |
32K x 8 |
No |
Yes |
Yes |
4.75 |
5.25 |
| DS1330Y |
32K x 8 |
No |
Yes |
Yes |
4.5 |
5.5 |
| DS1345AB |
128K x 8 |
No |
Yes |
Yes |
4.75 |
5.25 |
| DS1345Y |
128K x 8 |
No |
Yes |
Yes |
4.5 |
5.5 |
| DS1350AB |
512K x 8 |
No |
Yes |
Yes |
4.75 |
5.25 |
| DS1350Y |
512K x 8 |
No |
Yes |
Yes |
4.5 |
5.5 |
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See All Memory (EPROM, EEPROM, ROM, NV SRAM) (52)
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| Key Specifications: Timekeeping & Real-Time Clocks |
| Part Number |
Functions |
Date/ Time Format |
Interface |
VSUPPLY
(V) |
Time Keeping Current
(nA) |
CL
(pF) |
Memory Type |
Memory Size
(Bytes) |
Time of Day Alarms |
| hh = sec/100 |
typ |
| DS1558 |
| NV SRAM Control | | Watchdog Timekeeper |
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YYYY-MM-DD/ HH:MM:SS |
Bytewide |
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300 |
6 |
None |
- |
1 |
| DS1554 |
Watchdog Timekeeper |
- |
- |
NV SRAM |
32K |
1 |
| DS1556 |
Watchdog Timekeeper |
- |
- |
NV SRAM |
128K |
1 |
| DS1557 |
Watchdog Timekeeper |
- |
- |
NV SRAM |
512K |
1 |
| DS1743 |
- |
- |
- |
NV SRAM |
8K |
0 |
| DS1744 |
- |
- |
- |
NV SRAM |
32K |
0 |
| DS1746 |
- |
- |
- |
NV SRAM |
128K |
0 |
| DS1747 |
- |
- |
- |
NV SRAM |
512K |
0 |
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See All Timekeeping & Real-Time Clocks (80)
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