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X24256A, X2429CE, X24320

Table of contents:
Info of X24256A
Info of X2429CE
Info of X24320

X24256A, X2429CE, X24320 Selling Leads, Datasheet

MFG:46 Package Cooled:SOP-8 D/C:2005

X24256A, X2429CE, X24320 Datasheet download

Five Points

Part Number: X24256A

MFG: 46

Package Cooled: SOP-8

D/C: 2005

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X24320 General Description

The X24320 is a CMOS Serial E²PROM, internally organized 4K x 8. The device features a serial interface and software protocol allowing operation on a simple two wire bus. The bus operates at 400 KHz all the way down to 1.8V.

Three device select inputs (S0S2) allow up to eight devices to share a common two wire bus.

A Write Protect Register at the highest address location, FFFFh, provides three write protection features: Software Write Protect, Block Lock Protect, and Programmable Hardware Write Protect. The Software Write Protect feature prevents any nonvolatile writes to the device until the WEL bit in the Write Protect Register is set. The Block Lock Protection feature gives the user four array block protect options, set by programming two bits in the Write Protect Register. The Programmable Hardware Write Protect feature allows the user to install the device with WP tied to VCC, write to and Block Lock the desired portions of the memory array in circuit, and then enable the In Circuit Programmable ROM Mode by programming the WPEN bit HIGH in the Write Protect Register. After this, the Block Locked portions of the array, including the Write Protect Register itself, are permanently protected from being erased.

X24320 Maximum Ratings

Temperature under Bias
    X24320................................. 65°C to +135°C
Storage Temperature..................65°C to +150°C
Voltage on any Pin with
    Respect to VSS...................................1V to +7V
D.C. Output Current ...........................................5mA
Lead Temperature
    (Soldering, 10 seconds) ..............................300°C

X24320 Features

• Save Critical Data with Programmable Block Lock Protection
-Block Lock (0, 1/4, 1/2, or all of E2PROM Array)
-Software Write Protection
-Programmable Hardware Write Protect
• In Circuit Programmable ROM Mode
• 400KHz 2-Wire Serial Interface
-Schmitt Trigger Input Noise Suppression
-Output Slope Control for Ground Bounce Noise Elimination
• Longer Battery Life With Lower Power
-Active Read Current Less Than 1mA
-Active Write Current Less Than 3mA
-Standby Current Less Than 1mA
• 1.8V to 3.6V, 2.5V to 5.5V and 4.5V to 5.5V
Power Supply Versions
• 32 Word Page Write Mode
-Minimizes Total Write Time Per Word
• Internally Organized 4K x 8
• Bidirectional Data Transfer Protocol
• Self-Timed Write Cycle
-Typical Write Cycle Time of 5ms
• High Reliability
-Endurance: 100,000 Cycles
-Data Retention: 100 Years
• 8-Lead SOIC
• 14-Lead TSSOP
• 8-Lead PDIP

X24320 Connection Diagram

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