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X24320AFV Datasheet(PDF) 2 Page - IC MICROSYSTEMS |
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X24320AFV Datasheet(HTML) 2 Page - IC MICROSYSTEMS |
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2 / 17 page  X24320 2 Xicor E 2 PROMs are designed and tested for applications requiring extended endurance. Inherent data retention is greater than 100 years. PIN DESCRIPTIONS Serial Clock (SCL) The SCL input is used to clock all data into and out of the device. Serial Data (SDA) SDA is a bidirectional pin used to transfer data into and out of the device. It is an open drain output and may be wire-ORed with any number of open drain or open collector outputs. An open drain output requires the use of a pull-up resistor. For selecting typical values, refer to the Pull- up resistor selection graph at the end of this data sheet. Device Select (S0, S1, S2) The device select inputs (S0, S1, S2) are used to set the first three bits of the 8-bit slave address. This allows up to eight devices to share a common bus. These inputs can be static or actively driven. If used statically they must be tied to VSS or VCC as appropriate. If actively driven, they must be driven with CMOS levels (driven to VCC or VSS). Write Protect (WP) The Write Protect input controls the Hardware Write Protect feature. When held LOW, Hardware Write Protection is disabled. When this input is held HIGH, and the WPEN bit in the Write Protect Register is set HIGH, the Write Protect Register is protected, preventing changes to the Block Lock Protection and WPEN bits. PIN NAMES 7035 FM T01 PIN CONFIGURATION Symbol Description S0, S1, S2 Device Select Inputs SDA Serial Data SCL Serial Clock WP Write Protect VSS Ground VCC Supply Voltage NC No Connect V CC WP SCL SDA S 0 S 1 S 2 V SS 1 2 3 4 8 7 6 5 X24320 8-Lead DIP/SOIC 7035 FM 02 V CC WP SCL S 0 S 1 NC 1 2 3 4 8 7 6 5 V SS SDA NC NC NC NC NC S 2 * .244” .252” * .197” .200” 9 10 11 12 13 14 Not to scale X24320 * SOIC Measurement 14-Lead TSSOP |
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Similar Description - X24320AFV |
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