S-24C16C Seiko Instruments Inc., S-24C16C Datasheet

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S-24C16C

Manufacturer Part Number
S-24C16C
Description
2-wire Serial E2prom
Manufacturer
Seiko Instruments Inc.
Datasheet

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Rev.2.1
Features
Packages
• Operating voltage range
• Page write:
• Sequential read
• Operation frequency:
• Noise suppression
• Write protect function during the low power supply voltage
• Endurance:
• Data retention:
• Memory capacitance:
• Write protect:
• Lead-free product
Caution This product is intended to use in general electronic devices such as consumer electronics, office
2-WIRE SERIAL E
8-Pin SOP (JEDEC)
8-Pin TSSOP
SNT-8A
TMSOP-8
WLP
Package name
_00_H
equipment, and communication devices. Before using the product in medical equipment or
automobile equipment including car audio, keyless entry and engine control unit, contact to SII is
indispensable.
10
*1. For each address (Word: 8-bit)
100 years (at +25°C)
16 K-bit
100%
Please contact our sales office regarding the product with WLP package.
Read:
Write:
16 bytes / page
400 kHz (V
Schmitt trigger and noise filter on input pins (SCL, SDA)
6
2
cycles / word
PROM
FM008-A
PH008-A
Package
FT008-Z
FJ008-Z
1.6 V to 5.5 V
1.7 V to 5.5 V
CC
= 1.6 V to 5.5 V)
*1
(at +25°C)
Seiko Instruments Inc.
The S-24C16C is a 2-wire, low current consumption and wide range
operation serial E
bit, and the organization is 2048 words × 8-bit. Page write and
sequential read are available.
PH008-A
FM008-A
FT008-Z
FJ008-Z
Tape
Drawing code
2
PROM. The S-24C16C has the capacity of 16 K-
FM008-A
PH008-A
FT008-Z
FJ008-Z
Reel
S-24C16C
PH008-A
Land
1

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S-24C16C Summary of contents

Page 1

... SII is indispensable. PROM The S-24C16C is a 2-wire, low current consumption and wide range operation serial E bit, and the organization is 2048 words × 8-bit. Page write and sequential read are available. ...

Page 2

... GND Figure 1 S-24C16CI-J8T1U3 8-Pin TSSOP Top view GND 4 5 Figure 2 S-24C16CI-T8T1U3 2 Pin No Symbol * VCC * SCL 4 GND 5 SDA SDA SCL VCC *1. Connect to GND or V *2. Connect to GND. *3. Do not use it in high impedance. ...

Page 3

... Write protect input Connected Protection valid CC Open or connected to GND: Protection invalid Power supply . CC Table 4 Description No connection No connection TEST pin Ground Serial data I/O Serial clock input Write protect input Connected Protection valid CC Open or connected to GND: Protection invalid Power supply . CC 2 PROM S-24C16C 3 ...

Page 4

... PROM S-24C16C WLP Bottom view VCC B1 B2 GND SDA SCL Figure 5 S-24C16CI-H6TxS3 Remark Please contact our sales office regarding the product with WLP package. 4 Table 5 Pin No Symbol *2 A1 SDA Serial data I SCL Serial clock input B1 GND Ground Write protect input ...

Page 5

... Device Address Comparator D IN Serial Clock Controller LOAD COMP LOAD INC Address Counter Y Decoder D OUT Figure 6 Seiko Instruments Inc. 2 2-WIRE SERIAL E PROM S-24C16C VCC WP GND Voltage Detector High-Voltage Generator Data Register Memory Cell Array X Decoder Selector Data Output ACK Output Controller 5 ...

Page 6

... SERIAL E PROM S-24C16C Absolute Maximum Ratings Item Power supply voltage Input voltage Output voltage Operation 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 conditions. ...

Page 7

... PROM S-24C16C Unit mA Unit mA Unit Max. 2.0 µ A µ A 1.0 µ A 1.0 µ A 50.0 µ A 2.0 − k Ω − k Ω − V 0 ...

Page 8

... SERIAL E PROM S-24C16C AC Electrical Characteristics Table 14 Measurement Conditions Input pulse voltage Input pulse rising / falling time Output reference voltage Output load Item SCL clock frequency SCL clock time “L” SCL clock time “H” SDA output delay time SDA output hold time ...

Page 9

... Start Condition SCL SDA t WS1 WP (valid WS2 (invalid) Table 1 5 Symbol Min. − Acknowledgment Write data Signal D0 Figure 9 Write Cycle Timing Seiko Instruments Inc. 2-WIRE SERIAL E S-24C16C Unit Max. 5.0 ms Start Condition Stop Condition WH1 t WH2 2 PROM 9 ...

Page 10

... S-24C16C Pin Functions 1. A2 (TEST) Pin The slave address can not be assigned in the S-24C16C since addressing function is removed. The A2 pin should be connected to the GND. 2. SDA (Serial Data Input / Output) Pin The SDA pin is used for the bi-directional transmission of serial data. This pin is a signal input pin, and an Nch open drain output pin ...

Page 11

... When a device receives a stop condition during a write sequence, the reception of the write data is halted, and the S- 24C16C initiates a write cycle. t SU.STA SCL SDA Start Condition t HD.STA Figure 11 Start / Stop Conditions Seiko Instruments Inc. 2 2-WIRE SERIAL E PROM S-24C16C t SU.STO Stop Condition 11 ...

Page 12

... SERIAL E PROM S-24C16C 3. Data Transmission Changing the SDA line while the SCL line is low, data is transmitted. Changing the SDA line while the SCL line is high, a start or stop condition is recognized. SCL SDA 4. Acknowledge The unit of data transmission is 8 bits. During the 9th clock cycle period the receiver on the bus pulls down the SDA line to acknowledge the receipt of the 8-bit data ...

Page 13

... The upper 4 bits of the device address are the “Device Code”, and are fixed to “1010”. In the S-24C16C, successive 3 bits (P2, P1, P0) are “Page Address”. Choose the 8 memory blocks of 256-byte (Adress 000h to 0FFh, 100h to 1FFh, 200h to 2FFh, 300h to 3FFh, 400h to 4FFh, 500h to 5FFh, 600h to 6FFh, and 700h to 7FFh) ...

Page 14

... When the master sends a 7-bit device address and a 1-bit read / write instruction code set to “0”, following a start condition, the S-24C16C acknowledges it. And the S-24C16C receives 8-bit word address and responds with an acknowledge. After the S-24C16C receives 8-bit write data and responds with an acknowledge, it receives a stop condition and that initiates the write cycle at the addressed memory. ...

Page 15

... Its basic process to transmit data is as same as byte write, but it operates page write by sequentially receiving 8- bit write data as much data as the page size has. When the S-24C16C receives a 7-bit device address and a 1-bit read / write instruction code set to “0”, following a start condition, it generates an acknowledge. And the S-24C16C receives 8-bit word address and responds with an acknowledge ...

Page 16

... Figure 9. In not using the write protect, connect the WP pin to GND or set it open. The write protect is valid in the range of operation power supply voltage. As seen in Figure 17 when the write protect is valid, the S-24C16C does not generate an acknowledgment signal after data input. S ...

Page 17

... S-24C16C (slave device). That is, if the S-24C16C does not generate an acknowledgment signal, the write cycle is in progress and if the S- 24C16C generates an acknowledgment signal, the write cycle has been completed. ...

Page 18

... Address Read”. In the following the address counter in the S-24C16C is assumed to be “n”. When the S-24C16C receives a 7-bit device address and a 1-bit read / write instruction code set to “1” following a start condition, it responds with an acknowledge. Next, an 8-bit data at the address “n” is sent from the S-24C16C synchronous to the SCL clock. The address counter is incremented and the content of the address counter becomes ...

Page 19

... That is, when the S-24C16C receives a 7-bit device address and a 1-bit read / write instruction code set to “1”, following a start condition signal, it responds with an acknowledge. Next, 8-bit data is transmitted from the S- 24C16C in synchronous to the SCL clock ...

Page 20

... S-24C16C 7. 3 Sequential Read When the S-24C16C receives a 7-bit device address and a 1-bit read / write instruction code set to “1” following a start condition both in current address read and random read, it responds with an acknowledge. When an 8-bit data is output from the S-24C16C synchronous to the SCL clock, the address counter is automatically incremented ...

Page 21

... Write Protect Function during the Low Power Supply Voltage The S-24C16C has a built-in detection circuit which operates with the low power supply voltage, cancels Write when the power supply voltage drops and power-on. Its detection and release voltages are 1.20 V typ. (Refer to Figure 22). ...

Page 22

... In case that the SCL input pin of the S-24C16C is connected to the Nch open drain output pin of the master device, connect the SCL pin with a pull-up resistor. As well, in case the SCL input pin of the S-24C16C is connected to the tri- state output pin of the master device, connect the SCL pin with a pull-up resistor in order not to set it in high impedance ...

Page 23

... The SCL pin and the SDA pin do not have a built-in pull-down or pull-up resistor. The WP pin has a built-in pull-down resistor.The SDA pin has an open-drain output. The followings are equivalent circuits of the pins. SCL SDA WP Figure 23 SCL Pin Figure 24 SDA Pin Figure 25 WP Pin Seiko Instruments Inc. 2 2-WIRE SERIAL E PROM S-24C16C 23 ...

Page 24

... S-24C16C. How to reset is shown below. [How to reset S-24C16C] The S-24C16C is able to be reset by a start and stop instructions. When the S-24C16C is reading data “0” outputting the acknowledgment signal, outputs “0” to the SDA line. In this status, the master device cannot output an instruction to the SDA line ...

Page 25

... V (Max.) 0.2 V INIT * means there is no difference in potential between the VCC pin and the GND pin of the S-24C16C. * the time required to initialize the S-24C16C. No instructions are accepted during this time. INIT = 200 ms seen in Figure 28. The power supply voltage ...

Page 26

... In this case, S-24C16C may perform the Write operation. The voltage drops due to power off while the S-24C16C is being accessed. Even if the master device is reset due to the low power voltage, the S-24C16C may malfunction unless the power-on-clear operation conditions of S- 24C16C are satisfied ...

Page 27

... Rev.2.1 _00_H 5. 2 Initialization time The S-24C16C initializes at the same time when the power supply voltage is raised. Input instructions to the S- 24C16C after initialization. S-24C16C does not accept any instruction during initialization. Figure 29 shows the initialization time of the S-24C16C. Initialization Time (t INIT ...

Page 28

... The S-24C16C may error if it does not recognize a start / stop condition correctly during transmission recommended to set the delay time of 0.3 µ s minimum from a falling edge of SCL for the SDA. This is to prevent S-24C16C from going in a start / stop condition due to the time lag caused by the load of the bus line. ...

Page 29

... Rev.2.1 _00_H 8. Operation when input stop condition during input write data The S-24C16C does the write operation only when it receives data of 1 byte or more and receives a stop condition immediately after ACK output. Refer to Figure 32 regarding details. Write Inhibition by the STOP condition ...

Page 30

... SERIAL E PROM S-24C16C Precautions ● Do not apply an electrostatic discharge to this IC that exceeds the performance ratings of the built-in electrostatic protection circuit. ● SII claims no responsibility for any and all disputes arising out connection with any infringement of the products including this IC upon patents owned by a third party. ...

Page 31

... Rev.2.1 _00_H Product Name Structure 1. 8-Pin SOP (JEDEC), 8-Pin TSSOP, SNT-8A, TMSOP-8 S-24C16C I − xxxx U3 2. WLP S-24C16C I − H6Tx S3 Remark Please contact our sales office regarding the product with WLP package. Package name (abbreviated) and IC packing specification J8T1: 8-Pin SOP (JEDEC), Tape ...

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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 ...

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