24C04 STMicroelectronics, 24C04 Datasheet
24C04
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24C04 Summary of contents
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... Serial Data Address Input/Output SCL Serial Clock Multibyte/Page Write Mode MODE (C version) WC Write Control (W version) V Supply Voltage CC V Ground SS February 1999 ST24C04, ST25C04 ST24W04, ST25W04 4 Kbit Serial I with User-Defined Block Write Protection PSDIP8 (B) 0.25mm Frame Figure 1. Logic Diagram 2 C bus E1-E2 PRE SCL MODE/WC* Note: WC signal is only available for ST24/25W04 products ...
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... These are stress ratings only and operation of the device at these or any other conditions above those indicated in the Operating sections of this specification is not implied. Exposure to Absolute Maximum Rating conditions for extended periods may affect device reliability. Refer also to the STMicroelectronics SURE Program and other relevant quality documents. ...
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Table 3. Device Select Code Bit b7 Device Select 1 Note: The MSB b7 is sent first. (1) Table 4. Operating Modes Mode RW bit Current Address Read ’1’ ’0’ Random Address Read ’1’ Sequential Read ’1’ Byte Write ’0’ ...
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ST24/25C04, ST24/25W04 SIGNAL DESCRIPTIONS (cont’d) The devices with this Write Control feature no longer support the Multibyte Write mode of opera- tion, however all other write modes are fully sup- ported. Refer to the AN404 Application Note for more de- ...
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Table 5. Input Parameters Symbol C Input Capacitance (SDA Input Capacitance (other pins Input Impedance (ST24/25W04) WCL Z WC Input Impedance (ST24/25W04) WCH Low-pass filter input time constant t LP (SDA and SCL) Note: ...
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ST24/25C04, ST24/25W04 Table 7. AC Characteristics ( – – Symbol Alt t t Clock Rise Time CH1CH2 Clock Fall Time CL1CL2 F t ...
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Figure 5. AC Waveforms SCL SDA IN START CONDITION SCL tCLQV SDA OUT SCL SDA IN tCHDH STOP CONDITION Write Operations The Multibyte Write mode (only available on the ST24/25C04 versions) is selected when the MODE pin ...
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ST24/25C04, ST24/25W04 2 Figure Bus Protocol SCL SDA START CONDITION SCL MSB SDA START CONDITION 1 SCL MSB SDA Multibyte Write. For the Multibyte Write mode, the MODE pin must The Multibyte Write ...
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The master sends from one bytes of data, which are each acknowledged by the mem- ory. After each byte is transfered, the internal byte address counter (3 ...
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ST24/25C04, ST24/25W04 Figure 9. Write Modes Sequence (ST24/25C04) BYTE WRITE MULTIBYTE AND PAGE WRITE DEVICE OPERATION (cont’d) The sequence is as follows: – Initial condition: a Write is in progress (see Figure 8). – Step 1: the Master issues a ...
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Figure 10. Write Modes Sequence with Write Control = 1 (ST24/25W04) WC BYTE WRITE WC PAGE WRITE WC (cont'd) PAGE WRITE (cont'd) Read Operations Read operations are independent of the state of the MODE pin. On delivery, the memory content ...
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ST24/25C04, ST24/25W04 DEVICE OPERATION (cont’d) put, but MUST generate a STOP condition. The output data is from consecutive byte addresses, with the internal byte address counter automat- ically incremented after each byte output. After a count of the last memory ...
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... Temperature range on special request only. Parts are shipped with the memory content set at all "1’s" (FFh). For a list of available options (Operating Voltage, Range, Package, etc...) or for further information on any aspect of this device, please contact the STMicroelectronics Sales Office nearest to you. ST24C04 M Range Package ...
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ST24/25C04, ST24/25W04 PSDIP8 - 8 pin Plastic Skinny DIP, 0.25mm lead frame Symb Typ 7. 2. Drawing is not to scale 14/16 mm ...
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SO8 - 8 lead Plastic Small Outline, 150 mils body width Symb Typ 1. SO-a Drawing is not to scale mm Min Max ...
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... No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics ...