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マキシム > ソリューション > プリンタおよびファックス

SHA-1セキュアメモリ

データシート
表示 タイトル/製品 主な特長
QV  PDF トリプルNV小ステップサイズ可変抵抗器およびメモリ
DS3906

QV    SHA-1エンジン付き、1kb保護、EEPROM iButton
DS1961S

アクセス制御とeCashアプリケーション用のステンレス鋼製ケースに収納されたワールドクラスのセキュリティ
QV  PDF 抵抗付き、ESD保護ダイオード
DS9503

QV  PDF ESD保護ダイオード
DS9502

QV  PDF シリアルから1-Wireへのラインドライバ
DS2480B

QV  PDF SHA-1エンジン内蔵、1kビット保護1-Wire EEPROM
DS2432

QV    SHA iButton
DS1963S




Key Specifications:   1-Wire Interface Products
Part Number Functions Features Supply Voltage (V) Package Smallest Available Package (max w/pins) (mm2)
DS2480B 
1-Wire Bridge
Connects UART protocol (5V RS-232) to 1-Wire.
4.5 to 5.5 SOIC/8 31
See All 1-Wire Interface Products (4)

Key Specifications:   iButton Products
Part Number Overview Memory Type Memory Size Security Features UniqueWare Real-Time Clock
DS1961S 
Secure iButton
EEPROM 1k bits SHA-1
Write-Only Secrets
No No
DS1963S 
Secure iButton
NV SRAM 4k bits SHA-1
Secure Coprocessor
Write Cycle Counters
Write-Only Secrets
No No
See All iButton Products (24)

Key Specifications:   Digital Potentiometers
Part Number Taper POTs Per Pkg. Control Interface Wiper Memory Number of Steps Res. Tol. (%) Temp. Coeff. (typ)(ppm/°C) Max. Idle State Supply Current @5V (µA) Applications Features Supply Voltage (V) Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C)
DS3906  Pseudo-Log 3 2-Wire Non-Volatile 64 20 60 160
LED Driver
Low Step Size Applications
Custom Programmed Resistance Response
EEPROM Wiper Memory
Small step size with external resistance
2.7 to 5.5 uSOP/10 15 -40 to +85
See All Digital Potentiometers (121)

Key Specifications:   ESD Protection Diode Arrays
Part Number Protection Method Number of Channels Capacitance (pF) Supply Voltage (V) Package Smallest Available Package (max w/pins) (mm2)
DS9502  7.5V Snap-Back Zener 1 100 0.9 to 5.5 TSOC/6 19
DS9503  7.5V Snap-Back Zener with Two 5 Ohm Resistors 1 100  -  TSOC/6 19
See All ESD Protection Diode Arrays (13)

Key Specifications:   Memory (EPROM, EEPROM, ROM, NV SRAM)
Part Number Memory Type Memory Size Bus Type Real-Time Clock DIP with Internal Battery PowerCap Package Battery Monitor With GPIO Single Piece Module Features Supply Voltage (min) (V) Supply Voltage (max) (V) Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C)
DS2432  EEPROM 1k x 1 1-Wire No No No No No No
Secure Hash Standard
2.8 5.5 TSOC/6
UCSPR/8
5 -40 to +85
See All Memory (EPROM, EEPROM, ROM, NV SRAM) (69)




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