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Maxim > Solutions > Printers and Faxes

SHA-1 Secure Memory

DATA SHEETS
Display Title / Parts Key Advantages
QV  PDF Triple NV Low Step Size Variable Resistor Plus Memory
DS3906

QV    1kb Protected EEPROM iButton with SHA-1 Engine
DS1961S

World-Class Security in Stainless Steel Case for Access Control and eCash Applications
QV  PDF ESD Protection Diode with Resistors
DS9503

QV  PDF ESD Protection Diode
DS9502

QV  PDF Serial to 1-Wire Line Driver
DS2480B

QV  PDF 1Kb Protected 1-Wire EEPROM with SHA-1 Engine
DS2432

QV    SHA iButton
DS1963S




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

Key Specifications:   iButton Products
Part Number Overview Memory Type Memory Size Security Features UniqueWare Real-Time Clock Features
DS1961S 
Secure iButton
EEPROM 1K bits SHA-1
Write-Only Secrets
No No
Monetary Ecash
DS1963S 
Secure iButton
NV SRAM 4Kbits SHA-1
Secure Coprocessor
Write Cycle Counters
Write-Only Secrets
No No
Monetary Ecash
See All iButton Products (25)

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) Features
DS3906  Pseudo-Log 3 2-Wire Non-Volatile 64 20 60 160
Custom Programmed Resistance Response
EEPROM Wiper Memory
Small step size with external resistance
See All Digital Potentiometers (119)

Key Specifications:   ESD Protection Diode Arrays
Part Number Protection Method Number of Channels Capacitance (pF) Supply Voltage (V) Package
DS9502  7.5V Snap-Back Zener 1 100 0.9 to 5.5 TSOC/6
DS9503  7.5V Snap-Back Zener with Two 5 Ohm Resistors 1 100  -  TSOC/6
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)
DS2432  EEPROM 1K x 1 1-Wire No No No No No No
Secure Hash Standard
2.8 5.5
See All Memory (EPROM, EEPROM, ROM, NV SRAM) (70)




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