s-24c04bphal Seiko Instruments Inc., s-24c04bphal Datasheet
s-24c04bphal
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s-24c04bphal Summary of contents
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... Before using the product in medical equipment or automobile equipment including car audio, keyless entry, and engine control units, be sure to contact SII. 2 PROM The S-24C04BPHAL is a 2-wire, low-power, wide- range-operation 4K-bit serial E 512 words × 8 bits. Page write and sequential read are possible. 1.0 µA max. (V ...
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... CMOS SERIAL E S-24C04BPHAL Pin Configuration WLP Bottom view VCC SDA 4 GND SCL Figure 1 S-24C04BPHAL Remark Please contact our sales office regarding the product with WLP package PROM Pin No. Symbol 1 VCC 2 SDA SCL 5 GND Seiko Instruments Inc. ...
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... SDA Device address D IN Serial clock controller LOAD COMP comparator LOAD INC R/W Address counter Y decoder D OUT Figure 2 Seiko Instruments Inc. 2-WIRE CMOS SERIAL E S-24C04BPHAL WP VCC GND High-voltage generator Data Register 2 X decoder E PROM Selector Data output ACK output controller 2 PROM 3 ...
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... CMOS SERIAL E S-24C04BPHAL Absolute Maximum Ratings Power supply voltage Input voltage Output voltage Operating ambient temperature Storage temperature Caution The absolute maximum ratings are rated values exceeding which the product could suffer physical damage. These values must therefore not be exceeded under any condition. ...
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... V or GND − − GND to V − 0 GND to V − 0 3.2 mA − − = 1.5 mA − − − 1.5 − Seiko Instruments Inc. 2-WIRE CMOS SERIAL E S-24C04BPHAL = 2 1 − − − 0.3 − − − 4.0 1.5 = 2 1 1.0 0.6 − − − ...
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... CMOS SERIAL E S-24C04BPHAL AC Electrical Characteristics Table 8 Measurement Conditions Input pulse voltage Input pulse rise/fall time Output judgment voltage Output load Item SCL clock frequency SCL clock time “L” SCL clock time “H” SDA output delay time SDA output hold time ...
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... Rev.3.0 _00 Item Write time SCL SDA D0 Write data Table 10 Symbol Min. Typ. Stop condition Acknowledge Figure 5 Write Cycle Timing Seiko Instruments Inc. 2-WIRE CMOS SERIAL E S-24C04BPHAL Max. Unit 4.0 10 Start condition 2 PROM 7 ...
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... CMOS SERIAL E S-24C04BPHAL Pin Functions 1. SDA (Serial Data Input/Output) Pin The SDA pin is used for bidirectional transfer of serial data. It consists of a signal input pin and an Nch open-drain transistor output pin. Usually pull up the SDA line to V open-drain or open-collector output devices connected in a wired-OR configuration. ...
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... When the device receives the stop condition signal during a write sequence, the retrieval of write data is halted, and rewriting the E t SCL SDA 2 PROM starts. t SU. STA HD. STA Start condition Figure 6 Start/Stop Condition Seiko Instruments Inc. 2-WIRE CMOS SERIAL E S-24C04BPHAL t SU. STO Stop condition 2 PROM 9 ...
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... CMOS SERIAL E S-24C04BPHAL 3. Data transfer Changing the SDA line while the SCL line is “L” allows the data to be transferred. A start or stop condition is recognized when the SDA line changes while the SCL line is “H”. SCL SDA 4. Acknowledgment 8 bits of data are transferred in succession. The device on the system bus that receives the data changes the SDA line to “ ...
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... When the comparison results match, the slave device outputs the acknowledge signal during the 9th clock cycle. S-24C04BPHAL In the S-24C04BPHAL, the 7th bit is a page address bit. Accordingly, when the first half of the memory area (2 Kb: addresses 000h to 0FFh) is selected; when the second half of the memory area (2 Kb; addresses 100h to 1FFh) are selected. ...
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... CMOS SERIAL E S-24C04BPHAL 6. Write operation 6.1 Byte write 2 When the E PROM receives a 7-bit device address and the 1-bit read/write instruction code “0”, following the start condition signal, it outputs the acknowledge signal. 2 Next, when the E PROM receives an 8-bit word address, it outputs the acknowledge signal. ...
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... Rev.3.0 _00 6.2 Page write bytes per page can be written in the S-24C04BPHAL. Basic data transfer procedures are the same as those in “Byte write”. The S-24C04BPHAL performs page write by successively receiving 8-bit write data sized pages. 2 When the E PROM receives a 7-bit device address and the 1-bit read/write instruction code “0” following the start condition signal, it outputs the acknowledge signal ...
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... CMOS SERIAL E S-24C04BPHAL 6.3 Write Protection Write protection is available in the S-24C04BPHAL. When the WP pin is connected to the V operation to memory area is forbidden at all. When the WP pin is connected to the GND, the write protection is invalid, and write operation in all memory area is available. Fix the level of the WP pin from the rising edge of SCL for loading the last write data (D0) until the end of the write time (10 ms max ...
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... W Figure 13 Current Address Read 2 PROM, take into consideration the following: 2 PROM is automatically incremented for every falling edge of the Seiko Instruments Inc. 2-WIRE CMOS SERIAL E S-24C04BPHAL or more. Accordingly, when AH 2 PROM, data can be read from 2 PROM is address “n”. No ACK from master device ...
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... CMOS SERIAL E S-24C04BPHAL 7.2 Random read Random read is a mode used when data is read from arbitrary memory addresses. To load a memory address into the address counter inside the E following the procedure below. 2 When the E PROM receives a 7-bit device address and the 1-bit read/write instruction code “0” following the start condition signal, it outputs the acknowledge signal ...
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... PROM, in synchronization with the SCL clock, the memory address DATA ( DATA (n) ADR INC ADR INC Figure 15 Sequential Read Seiko Instruments Inc. 2-WIRE CMOS SERIAL E S-24C04BPHAL No ACK from master device DATA ( DATA ( ...
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... CMOS SERIAL E S-24C04BPHAL 8. Address increment timing The address increment timing is as follows. During a read operation, the memory address counter is automatically incremented at the falling edge of the SCL clock (where the 8th bit of read data is output). During a write operation, the memory address counter is also automatically incremented at the falling edge of the SCL clock when the 8th bit of write data is fetched ...
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... Slave address The S-24C04BPHAL does not have slave address pins (A0, A1, A2). Therefore two or more of this IC cannot be used on the same bus. However, slave addresses can be used without changing the communication software because they are arbitrary addresses in communication with the master device ...
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... CMOS SERIAL E S-24C04BPHAL 3. I/O pin equivalent circuit The I/O pins of this IC do not include pull-up and pull-down resistors. The SDA pin is an open-drain output. The following shows the equivalent circuits. SCL WP SDA 20 2 PROM Figure 19 SCL Pin Figure 20 WP Pin Figure 21 SDA Pin Seiko Instruments Inc ...
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... Matching phases while E PROM is accessed The S-24C04BPHAL does not have a pin for resetting (the internal circuit), therefore, the E be forcibly reset externally communication interruption occurs in the E software. For example, even if a reset signal is input to the microprocessor, the internal circuit of the E reset as long as the stop condition is not input to the E same status and cannot shift to the next operation ...
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... CMOS SERIAL E S-24C04BPHAL 6. Acknowledge check 2 The I C-bus protocol includes an acknowledge check function as a handshake function to prevent a communication error. This function allows detection of a communication failure during data communication between the microprocessor and E recommended to perform an acknowledge check on the microprocessor side. 7. Built-in power-on-clear circuit ...
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... V within 200 ms. Figure 24 Raising Time of Power Supply Voltage 2 PROM are satisfied. For the power-on-clear operation conditions of 2 PROM immediately after the power-on-clear circuit operates and Seiko Instruments Inc. 2-WIRE CMOS SERIAL E S-24C04BPHAL 50 100 150 200 ) Max. RISE [ms] 2 ...
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... CMOS SERIAL E S-24C04BPHAL 7.2 Wait for the initialization sequence to end 2 The E PROM executes initialization during the time that the supply voltage is increasing to its normal value. All instructions must wait until after initialization. The relationship between the initialization time (t rise time ( shown in Figure 25 . ...
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... SDA 9. SDA pin and SCL pin noise suppression time The S-24C04BPHAL includes a built-in low-pass filter to suppress noise at the SDA and SCL pins. This means that if the power supply voltage is 5.0 V (at room temperature), noise with a pulse width of 150 ns or less can be suppressed. ...
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... PROM operation and write data in case that write data is input more than defined page size at “page write” When write data is input more than defined page size at page write operation, for example, S-24C04BPHAL (which can be executed 16-byte page write) is received data more than 17 byte, 8-bit data of the 17th byte is over written to the first byte in the same page ...
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... In this package, the overcoat of the resin of translucence is carried out on the side of device area. Keep it mind that it may affect the characteristic of a device when exposed a device in the bottom of a high light source. 2-WIRE CMOS SERIAL E Seiko Instruments Inc. 2 PROM S-24C04BPHAL 27 ...
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... CMOS SERIAL E S-24C04BPHAL Characteristics (Typical Data Characteristics 1.1 Current consumption (READ) I Ambient temperature 100 kHz f SCL DATA = 0101 200 100 0 − (°C) 1.3 Current consumption (READ) I Ambient temperature 100 kHz f SCL DATA = 0101 − (° ...
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... CC2 Ambient temperature Ta 1.0 0.5 0 − 1.10 Current consumption (PROGRAM) I CC2 Power supply voltage V 1.0 0.5 0 − 1.12 Input current leakage I SB Ambient temperature Ta 1.0 0.5 0 Seiko Instruments Inc. 2-WIRE CMOS SERIAL E S-24C04BPHAL CC2 = 3 − (°C) CC2 25° (V) CC − ...
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... CMOS SERIAL E S-24C04BPHAL 1.13 Input current leakage I Ambient temperature SDA, SCL 5.5 V 1.0 0.5 0 − (°C) 1.15 Output current leakage I Ambient temperature SDA = 5.5 V 1.0 0.5 0 − (°C) 1.17 Low-level output voltage V Ambient temperature 4 3 0.3 0.2 0.1 − (° PROM − ...
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... V (V) CC − 1.20 Low-level output current − 1.22 High input inversion voltage − 1.24 Low input inversion voltage Seiko Instruments Inc. 2-WIRE CMOS SERIAL E S-24C04BPHAL − OL Ambient temperature 1 0 2.0 1.0 0 − (°C) IH Ambient temperature 5 SDA, SCL ...
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... CMOS SERIAL E S-24C04BPHAL 2. AC Characteristics 2.1 Maximum operating frequency f Power supply voltage 25° 100 (V) CC − 2.3 Write time t WR Ambient temperature − (°C) 2.5 SDA output delay time t Ambient temperature 4 1.5 1.0 0.5 −40 ...
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... Rev.3.0 _00 2.7 SDA output delay time t Ambient temperature 1 3.0 2.0 1.0 − (°C) − Seiko Instruments Inc. 2-WIRE CMOS SERIAL E S-24C04BPHAL 2 PROM 33 ...
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... CMOS SERIAL E S-24C04BPHAL Product Name Structure S-24C04BP Remark Please contact our sales office regarding the product with WLP package PROM IC direction in tape specification Operating voltage range L : Writing 1.7 to 5.5 V, reading 1.6 to 5.5 V Package code HA : WLP Product name S-24C04BP : 4 Kbit Seiko Instruments Inc. ...
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... Use of the information described herein for other purposes and/or reproduction or copying without the express permission of Seiko Instruments Inc. is strictly prohibited. The products described herein cannot be used as part of any device or equipment affecting the human body, such as exercise equipment, medical equipment, security systems, gas equipment, or any apparatus installed in airplanes and other vehicles, without prior written permission of Seiko Instruments Inc ...