is24c128-3z Integrated Silicon Solution, Inc., is24c128-3z Datasheet

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is24c128-3z

Manufacturer Part Number
is24c128-3z
Description
262,144-bit/131,072-bit 2-wire Serial Cmos Eeprom
Manufacturer
Integrated Silicon Solution, Inc.
Datasheet
FEATURES
• Low Power CMOS Technology
• Low Voltage Operation
• 100 KHz (1.8V), 400 KHz (2.5V) and 1MHz (5V)
• Hardware Data Protection
• Sequential Read Feature
• Filtered Inputs for Noise Suppression
PRODUCT OFFERING OVERVIEW
Part No
IS24C256-2
IS24C256-3
IS24C128-2
IS24C128-3
DESCRIPTION
The IS24C128-2 is a 1.8V (1.8V-5.5V) 128K-bit (16384 x 8)
Electrically Erasable PROM, IS24C128-3 is a 2.5V (2.5V-
5.5V) 128K-bit (16384 x 8) Electrically Erasable PROM,
IS24C256-2 is a 1.8V (1.8V-5.5V) 256K-bit (32768 x 8)
Electrically Erasable PROM and the IS24C256-3 is a 2.5V
(2.5V-5.5V) 256K-bit (32768 x 8) Electrically Erasable
PROM.
IS24C128-2/3
IS24C256-2/3
Integrated Silicon Solution, Inc. — www.issi.com —
ADVANCED INFORMATION Rev. 00B
07/02/02
262,144-bit/131,072-bit 2-WIRE SERIAL
CMOS EEPROM
Copyright © 2002 Integrated Silicon Solution, Inc. All rights reserved. ISSI reserves the right to make changes to this specification and its products at any time without notice.
assumes no liability arising out of the application or use of any information, products or services described herein. Customers are advised to obtain the latest version of this device
specification before relying on any published information and before placing orders for products.
– Standby Current less than 10 µA (5.5V)
– Read Current (typical) less than 1 mA (5.5V)
– Write Current (typical) less than 3 mA (5.5V)
– IS24C256-2 & IS24C128-2: Vcc = 1.8V to 5.5V
– IS24C256-3 & IS24C128-3: Vcc = 2.5V to 5.5V
Compatibility
– Write Protect Pin
1.8V-5.5V
2.5V-5.5V
1.8V-5.5V
2.5V-5.5V
Voltage
100 KHz
400 KHz
100 KHz
400 KHz
Speed
Standby ICC
< 10 µA
< 10 µA
< 5 µA
< 5 µA
1-800-379-4774
• Self time write cycle with auto clear
• Organization:
• 64-Byte Page Write Buffer
• Two-Wire Serial Interface
• High Reliability
• Commercial and Industrial temperature ranges
• 8-pin PDIP, 8-Pin SOIC, and 14-pin TSSOP
The IS24CXXX (IS24C128-2, IS24C128-3, IS24C256-2
and IS24C1256-3) family is a low-cost and low voltage 2-
wire Serial EEPROM. It is fabricated using ISSI’s advanced
CMOS EEPROM technology and provides a low power
and low voltage operation. The IS24CXXX family features
a write protection feature, and is available in 8-pin DIP, 8-
pin SOIC, and 14-pin TSSOP packages.
– 5 ms @ 2.5V
– IS24C256-2 and IS24C256-3: 32,768x8
– IS24C128-2 and IS24C128-3: 16,384x8
– Bi-directional data transfer protocol
– Endurance: 1,000,000 Cycles
– Data Retention: 100 Years
Read ICC
1 mA
1 mA
1 mA
1 mA
Write ICC
3 mA
3 mA
3 mA
3 mA
ADVANCED INFORMATION
ISSI
JULY 2002
Temperature
C,I
C,I
C,I
C,I
ISSI
®
1

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is24c128-3z Summary of contents

Page 1

... KHz IS24C128-3 2.5V-5.5V 400 KHz DESCRIPTION The IS24C128 1.8V (1.8V-5.5V) 128K-bit (16384 x 8) Electrically Erasable PROM, IS24C128 2.5V (2.5V- 5.5V) 128K-bit (16384 x 8) Electrically Erasable PROM, IS24C256 1.8V (1.8V-5.5V) 256K-bit (32768 x 8) Electrically Erasable PROM and the IS24C256 2.5V (2.5V-5.5V) 256K-bit (32768 x 8) Electrically Erasable PROM. ...

Page 2

... IS24C128-2/3 IS24C256-2/3 FUNCTIONAL BLOCK DIAGRAM Vcc 8 SDA 5 SCL SLAVE ADDRESS REGISTER & COMPARATOR GND 4 nMOS 2 CONTROL LOGIC WORD ADDRESS COUNTER ACK Integrated Silicon Solution, Inc. — www.issi.com — ISSI HIGH VOLTAGE GENERATOR, TIMING & CONTROL EEPROM ARRAY Y DECODER Clock > ...

Page 3

... IS24C128-2/3 IS24C256-2/3 PIN CONFIGURATION 8-Pin DIP and SOIC GND 4 5 PIN DESCRIPTIONS A0-A1 Address Inputs SDA Serial Address/Data I/O SCL Serial Clock Input WP Write Protect Input Vcc Power Supply GND Ground SCL This input clock pin is used to synchronize the data transfer to and from the device ...

Page 4

... IS24C128-2/3 IS24C256-2/3 DEVICE OPERATION The IS24CXXX family features a serial communication and supports a bi-directional 2-wire bus transmission protocol. 2-WIRE BUS The two-wire bus is defined as a Serial Data line (SDA), and a Serial Clock Line (SCL). The protocol defines any device that sends data onto the SDA bus as a transmitter, and the receiving devices as a receiver ...

Page 5

... When the memory address boundary (32767 for IS24C256-2 and IS24C256-3; 16383 for IS24C128-2 and IS24C128-3) is reached, the address counter “rolls over” to address 0, and the IS24CXXX-2 continues to output data for each ACKnowledge received. ...

Page 6

... IS24C128-2/3 IS24C256-2/3 Figure 1. Typical System Bus Configuration SDA SCL Figure 2. Output Acknowledge SCL from Master Data Output from Transmitter Data Output from Receiver Figure 3. START and STOP Conditions SCL SDA 6 Vcc Master IS24Cxx Transmitter/ Receiver Integrated Silicon Solution, Inc. — www.issi.com — ...

Page 7

... IS24C128-2/3 IS24C256-2/3 Figure 4. Data Validity Protocol SCL SDA Figure 5. Slave Address BIT Figure 6. Byte Write Device R Address T SDA Bus Activity Figure 7. Page Write Device R T Word Address (n) Address T E SDA A Bus Activity R/W Integrated Silicon Solution, Inc. — www.issi.com — ...

Page 8

... IS24C128-2/3 IS24C256-2/3 Figure 8. Current Address Read Activity Figure 9. Random Address Read Device R T Address T E SDA A Bus C K Activity R/W DUMMY WRITE Figure 10. Sequential Read R E Device A Address D SDA A Bus C Activity K R Device ...

Page 9

... Exposure to absolute maximum rating conditions for extended periods may affect reliability. OPERATING RANGE (IS24C256-2 and IS24C128-2) Range Ambient Temperature Commercial 0°C to +70°C Industrial –40°C to +85°C OPERATING RANGE (IS24C256-3 and IS24C128-3) Range Ambient Temperature Commercial 0°C to +70°C Industrial –40°C to +85°C (1,2) CAPACITANCE ...

Page 10

... IS24C128-2/3 IS24C256-2/3 DC ELECTRICAL CHARACTERISTICS Symbol Parameter V Output LOW Voltage Output LOW Voltage Input HIGH Voltage IH V Input LOW Voltage IL I Input Leakage Current LI I Output Leakage Current LO Notes: V min and V max are reference only and are not tested ...

Page 11

... IS24C128-2/3 IS24C256-2/3 AC WAVEFORMS Figure 11. Bus Timing t R SCL t SU:STA SDA IN SDA OUT Figure 12. Write Cycle Timing SCL 8th BIT SDA WORD n Integrated Silicon Solution, Inc. — www.issi.com — ADVANCED INFORMATION Rev. 00B 07/02/ HIGH LOW t HD:DAT t t HD:STA SU:DAT ...

Page 12

... IS24C256-2PI 300-mil Plastic DIP IS24C256-2GI Small Outline (JEDEC STD) IS24C256-2ZI TSSOP IS24C128-3PI 300-mil Plastic DIP IS24C128-3GI Small Outline (JEDEC STD) IS24C128-3ZI TSSOP IS24C256-3PI 300-mil Plastic DIP IS24C256-3GI Small Outline (JEDEC STD) IS24C256-3ZI TSSOP Integrated Silicon Solution, Inc. — www.issi.com — ISSI ® ...

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