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參數(shù)資料
| 型號： | DS2502-UNW |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | Programmable ROM |
| 英文描述： | 128 X 8 OTPROM, PBCY3 |
| 封裝： | TO-92, 3 PIN |
| 文件頁數(shù)： | 1/5頁 |
| 文件大?。?/td> | 125K |
| 代理商： | DS2502-UNW |
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102099
SPECIAL FEATURES
§ 1024 bits, 16 kbits or 64 kbits Electrically
Programmable Read Only Memory (EPROM)
communicates with the economy of one
signal plus ground
§ Unique, factory-lasered and tested 64-bit
registration number (8-bit family code, 36-bit
serialization, 12-bit UniqueWare identifier
5E7H, 8-bit CRC-tester) assures absolute
traceability because no two parts are alike.
§ Built-in multidrop controller ensures
compatibility with other MicroLAN products
§ EPROM partitioned into 256-bit pages for
randomly accessing packetized data records
§ Each memory page can be permanently write-
protected to prevent tampering
§ Device is an “add only” memory where
additional data can be programmed into
EPROM without disturbing existing data
§ Reduces control, address, data, power and
programming signals to a single pin
§ Directly connects to a single port pin of a
microprocessor and communicates at up to
16.3k bits per second
§ Presence detector acknowledges when reader
first applies voltage
§ Low cost TO-92/PR-35 or 8-pin SOIC and
TSOC surface mount packages
§ Reads over a wide voltage range of 2.8V to
6.0V from -40°C to +85°C
PIN ASSIGNMENT
TO-92/PR-35
TSOC
SOIC
Pin 1
Ground
NC
Pin 2
Data
NC
Pin 3
NC
Data
Pin 4
-----
NC
Ground
Pins 5 to 8
-----
NC
SILICON LABEL DESCRIPTION
UniqueWare Add-Only Memories are factory programmed versions of the DS2502 (1024 bit), the
DS2505 (16-kbit) and the DS2506 (64k bit) Add-Only Memories, respectively. They differ from the
regular devices in their custom ROM family codes (see Ordering Information) and the UniqueWare
Identifier 5E7 in place of the upper 12 bits of the standard serialization field. For technical details on the
devices please refer to the DS2502, DS2505 and DS2506 data sheets.
UniqueWare Add-Only Memories are only available preprogrammed with customer-specific and write-
protected data. UniqueWare data fills at least one but no more than the first four pages of a device,
DS2502/5/6-UNW
UniqueWare
TM Add-Only Memory
www.dalsemi.com
8
7
6
5
1
2
3
4
8-Pin SOIC
1
2
3
6
5
4
TOP VIEW
3.7 X 4.0 X 1.5 mm
TSOC PACKAGE
See Mech.
Drawings Section
See Mech.
Drawings Section
TO-92/PR-35
GND
DATA
NC
BOTTOM VIEW
See Mech.
Drawings Section
2 3
1
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DS2506-UNW | 8K X 8 OTPROM, PBCY3 |
| DS2502P-E64 | 1K X 1 OTPROM, PDSO6 |
| DS2502-E64 | 1K X 1 OTPROM, PBCY3 |
| DS2505-UNW | 2K X 8 OTPROM, PBCY3 |
| DS3803 | 32K X 32 NON-VOLATILE SRAM MODULE, 70 ns, SMA72 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS2502-UNW-112D+ | 功能描述:可擦除可編程ROM RoHS:否 制造商:Maxim Integrated 類型: 存儲容量:1024 bit 組織:1 K x 1 接口類型: 工作電流:5 uA 編程電壓: 工作電源電壓:2.8 V to 6 V 最大工作溫度:+ 85 C 安裝風(fēng)格:Through Hole 封裝 / 箱體:TO-92 |
| DS2502-UNW-112F+ | 制造商:Maxim Integrated Products 功能描述:ADD ON MEMORY - Rail/Tube |
| DS2502-UNW-1161/TR | 制造商:Maxim Integrated Products 功能描述: |
| DS2502-UNW-PPPP | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:UniqueWare Add-Only Memory |
| DS2502V | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:1 kbit Add-Only Memory |
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