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X25165, X25170, X25170 /AE/AF/I

Table of contents:
Info of X25165
Info of X25170
Info of X25170 /AE/AF/I

X25165, X25170, X25170 /AE/AF/I Selling Leads, Datasheet

MFG:XICOR Package Cooled:XICOR D/C:9945

X25165, X25170, X25170 /AE/AF/I Datasheet download

Five Points

Part Number: X25165

MFG: XICOR

Package Cooled: XICOR

D/C: 9945

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X25165 General Description

These devices combine three popular functions, Watchdog Timer, Supply Voltage Supervision, and Serial E2PROM Memory in one package. This combination lowers system cost, reduces board space requirements, and increases reliability.

The Watchdog Timer provides an independent protection mechanism for microcontrollers. During a system failure, the device will respond with a RESET/RESET signal after a selectable time-out interval. The user selects the interval from three preset values. Once selected, the interval does not change, even after cycling the power.

The user's system is protected from low voltage conditions by the device's low Vcc detection circuitry. When Vcc falls below the minimum Vcc trip point, the system is reset. RESET/RESET is asserted until Vcc returns to proper operating levels and stabilizes.

The memory portion of the device is a CMOS Serial E²PROM array with Xicor's Block LockTM Protection. The array is internally organized as x 8. The device features a Serial Peripheral Interface (SPI) and software protocol allowing operation on a simple four-wire bus.

The device utilizes Xicor's proprietary Direct WriteTM cell, providing a minimum endurance of 100,000 cycles per sector and a minimum data retention of 100 years.

X25165 Maximum Ratings

Temperature under Bias ........................65°C to +135°C
Storage Temperature ...........................65°C to +150°C
Voltage on any Pin with Respect to V_SS.......... 1.0V to +7V
D.C. Output Current ................................................ .... 5mA
Lead Temperature (Soldering, 10 seconds).................300°C

X25165 Features

• Programmable Watchdog Timer
• Low Vcc Detection and Reset Assertion
-Reset Signal Valid to Vcc=1V
• Save Critical Data With Block LockTM Protection
-Block LockTM Protect 0, 1/4, 1/2 or all of
Serial E2PROM Memory Array
• In Circuit Programmable ROM Mode
• Long Battery Life With Low Power Consumption
-<50

mA Max Standby Current, Watchdog On
-<1

mA Max Standby Current, Watchdog Off
-<5mA Max Active Current during Write
-<400

mA Max Active Current during Read
• 1.8V to 3.6V, 2.7V to 5.5V and 4.5V to 5.5V Power
Supply Operation
• 2MHz Clock Rate
• Minimize Programming Time
-32 Byte Page Write Mode
-Self-Timed Write Cycle
-5ms Write Cycle Time (Typical)
• SPI Modes (0,0 & 1,1)
• Built-in Inadvertent Write Protection
-Power-Up/Power-Down Protection Circuitry
-Write Enable Latch
-Write Protect Pin
• High Reliability
• Available Packages
-14-Lead SOIC (X2564x)
-14-Lead TSSOP (X2532x, X2516x)
-8-Lead SOIC (X2532x, X2516x)

X25165 Connection Diagram

X25170 General Description

The X25170 is a CMOS 16384-bit serial E2PROM, internally organized as 2K x 8. The X25170 features a Serial Peripheral Interface (SPI) and software protocol, allowing operation on a simple three-wire bus. The bus signals are a clock input (SCK) plus separate data in (SI) and data out (SO) lines. Access to the device is controlled through a chip select (CS) input, allowing any number of devices to share the same bus.

The X25170 also features two additional inputs that provide the end user with added flexibility. By asserting the HOLD input, the X25170 will ignore transitions on its inputs, thus allowing the host to service higher priority interrupts. The WP input can be used as a hardwire input to the X25170 (disabling all write attempts to the status register), thus providing a mechanism for limiting end user capability of altering 0, 1/4, 1/2 or all of the memory.

The X25170 utilizes Xicor's proprietary Direct Write cell,providing a minimum endurance of 100,000 cycles and a minimum data retention of 100 years.

X25170 Maximum Ratings

Temperature under bias .....................65 to +135°C
Storage temperature ..........................65 to +150°C
Voltage on any pin with respect to V_SS.......1V to +7V
D.C. output current ............................................... 5mA
Lead temperature (soldering, 10 seconds).........300°C

X25170 Features

•5MHz Clock Rate
•SPI Modes (0,0 & 1,1)
•2K X 8 Bits
-32 byte page mode
•Low Power CMOS
-<1A standby current
-<5mA active current
•2.5V To 5.5V Power Supply
•Block Lock Protection
-Protect 1/4, 1/2 or all of E2PROM array
•Built-In Inadvertent Write Protection
-Power-up/power-down protection circuitry
-Write enable latch
-Write protect pin
•Self-Timed Write Cycle
-5ms write cycle time (typical)
•High Reliability
-Endurance: 100,000 cycles
-Data retention: 100 Years
-ESD protection: 2000V on all pins
•8-Lead PDlP Package
•8-Lead SOIC Package
•14-Lead TSSOP Package

X25170 Connection Diagram

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