IC EEPROM 64KBIT 1MHZ 8TSSOP

 

IS24C64A-2ZLI-TR

Manufacturer Part NumberIS24C64A-2ZLI-TR
DescriptionIC EEPROM 64KBIT 1MHZ 8TSSOP
ManufacturerISSI, Integrated Silicon Solution Inc
IS24C64A-2ZLI-TR datasheets

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Specifications of IS24C64A-2ZLI-TR

Format - MemoryEEPROMs - SerialMemory TypeEEPROM
Memory Size64K (8K x 8)Speed400kHz, 1MHz
InterfaceI²C, 2-Wire SerialVoltage - Supply1.8 V ~ 5.5 V
Operating Temperature-40°C ~ 85°CPackage / Case8-TSSOP
Lead Free Status / RoHS StatusLead free / RoHS Compliant  
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Download datasheet (233Kb)Embed
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IS24C32A/B
IS24C64A/B
64K-bit/32K-bit
2-WIRE SERIAL CMOS EEPROM
FEATURES
2
TM
• Two-Wire Serial Interface, I
C
–Bi-directional data transfer protocol
• Wide Voltage Operation
–Vcc = 1.8V to 5.5V
• 400 KHz (2.5V) and 1MHz (5.0V) Compatible
• Low Power CMOS Technology
–Standby Current less than 6 µA (5.0V)
–Read Current less than 2 mA (5.0V)
–Write Current less than 3 mA (5.0V)
• Hardware Data Protection
–IS24C32A/64A: WP protects entire array
–IS24C32B/64B: WP protects top quarter of
array
• Sequential Read Feature
• Filtered Inputs for Noise Suppression
• Self time write cycle with auto clear
5 ms max.@ 2.5V
• Organization:
–IS24C32A/B: 4Kx8 (128 pages of 32 bytes)
–IS24C64A/B: 8Kx8 (256 pages of 32 bytes)
• 32 Byte Page Write Buffer
• High Reliability
–Endurance: 1,000,000 Cycles
–Data Retention: 100 Years
• Automotive and Industrial temperature ranges
• 8-pin PDIP, 8-pin SOIC, 8-pin TSSOP, 8-pad
DFN, and 8-pin MSOP packages
• Lead-free
Copyright © 2007 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. ISSI 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.
Integrated Silicon Solution, Inc. | www.issi.com
Rev. D
01/04/08
DESCRIPTION
Compatible
The IS24C32A/B and IS24C64A/B are electrically
erasable PROM devices that use the standard 2-
wire interface for communications. The IS24C32A/B
and IS24C64A/B contain a memory array of 32K-
bits (4K x 8) and 64K-bits (8K x 8), respectively.
Each device is organized into 32 byte pages for
page write mode.
This EEPROM operates in a wide voltage range of
1.8V to 5.5V to be compatible with most application
voltages. ISSI designed this device family to be a
practical, low-power 2-wire EEPROM solution.
The devices are available in 8-pin PDIP, 8-pin
SOIC, 8-pin TSSOP, 8-pad DFN, and 8-pin MSOP
packages.
The IS24C32A/32B/64A/64B (IS24CXX) maintains
compatibility with the popular 2-wire bus protocol,
so it is easy to use in applications implementing
this bus type. The simple bus consists of the
Serial Clock wire (SCL) and the Serial Data wire
(SDA). Using the bus, a Master device such as a
microcontroller is usually connected to one or
more Slave devices such as this device. The bit
stream over the SDA line includes a series of
bytes, which identifies a particular Slave device,
an instruction, an address within that Slave device,
and a series of data, if appropriate. The IS24CXX
has a Write Protect pin (WP) to allow blocking of
any write instruction transmitted over the bus.
JANUARY 2008
1

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IS24C64B-2ZI  IS24C64B-2ZI IC EEPROM 64KBIT 1MHZ 8TSSOP ISSI, Integrated Silicon Solution Inc
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IS24C64A-2ZLI-TR Summary of contents

  • Page 1

    ... Compatible The IS24C32A/B and IS24C64A/B are electrically erasable PROM devices that use the standard 2- wire interface for communications. The IS24C32A/B and IS24C64A/B contain a memory array of 32K- bits ( and 64K-bits (8K x 8), respectively. Each device is organized into 32 byte pages for page write mode. ...

  • Page 2

    ... IS24C32A/B IS24C64A/B FUNCTIONAL BLOCK DIAGRAM Vcc 8 SDA 5 SCL SLAVE ADDRESS REGISTER & COMPARATOR GND 4 nMOS 2 CONTROL LOGIC WORD ADDRESS COUNTER ACK Clock DI/O Integrated Silicon Solution, Inc. | www.issi.com HIGH VOLTAGE GENERATOR, TIMING & CONTROL EEPROM ARRAY Y DECODER > DATA REGISTER Rev. D 01/04/08 ...

  • Page 3

    ... IS24C32A/B IS24C64A/B PIN CONFIGURATION 8-Pin DIP, SOIC, TSSOP, and MSOP GND 4 PIN DESCRIPTIONS A0-A2 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

    ... IS24C32A/B IS24C64A/B DEVICE OPERATION IS24CXX features serial communication and supports a bi- directional 2-wire bus transmission protocol called I 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 receivers ...

  • Page 5

    ... After the Master transmits the Start condition and Slave address byte (Fig. 5), the appropriate 2-wire Slave (eg.IS24C64A) will respond with ACK on the SDA line. The Slave will pull down the SDA on the ninth clock cycle, signaling that it received the eight bits of data. The selected EEPROM then prepares for a Read or Write operation by monitoring the bus ...

  • Page 6

    ... Read operation. When the memory address boundary of 8191 for IS24C64A/B or 4095 for IS24C32A/B (depending on the device) is reached, the address counter “rolls over” to address 0, and the device continues to output data ...

  • Page 7

    ... IS24C32A/B IS24C64A/B 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 Integrated Silicon Solution, Inc. | www.issi.com Rev. D 01/04/08 Vcc Master Transmitter/ IS24CXX ...

  • Page 8

    ... IS24C32A/B IS24C64A/B 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 8 Data Change Data Stable Data Stable Word Address ...

  • Page 9

    ... IS24C32A/B IS24C64A/B Figure 8. Current Address Read Activity Figure 9. Random Address Read Device R T Address T E SDA A Bus Activity R/W DUMMY WRITE Figure 10. Sequential Read R E Device A Address D SDA A Bus C Activity K R/W Integrated Silicon Solution, Inc. | www.issi.com Rev. D 01/04/ Device A T Address ...

  • Page 10

    ... OPERATING RANGE (IS24C64A/B-2 and IS24C32A/B-2) Range Ambient Temperature Industrial –40°C to +85°C Note: ISSI offers Industrial grade for Commerical applications (0 OPERATING RANGE (IS24C64A/B-3 and IS24C32A/B-3) Range Ambient Temperature Automotive –40°C to +125°C (1,2) CAPACITANCE ...

  • Page 11

    ... IS24C32A/B IS24C64A/B AC WAVEFORMS Figure 11. Bus Timing SCL t SU:STA SDA IN SDA OUT WP Figure 12. Write Cycle Timing SCL 8th BIT SDA WORD n Integrated Silicon Solution, Inc. | www.issi.com Rev. D 01/04/ HIGH LOW t HD:DAT t t HD:STA SU:DAT ACK t WR STOP Condition t SU:STO t BUF t SU:WP t HD:WP ...

  • Page 12

    ... IS24C32A/B IS24C64A/B DC ELECTRICAL CHARACTERISTICS Symbol Parameter V 1 Output Low Voltage Output Low Voltage OL V 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 POWER SUPPLY CHARACTERISTICS ...

  • Page 13

    ... IS24C32A/B IS24C64A/B AC ELECTRICAL CHARACTERISTICS Symbol Parameter f SCL Clock Frequency SCL (1) T Noise Suppression Time t Clock Low Period Low t Clock High Period High t Bus Free Time Before New Transmission BUF t Start Condition Setup Time SU:STA t Stop Condition Setup Time SU:STO t Start Condition Hold Time ...

  • Page 14

    ... Voltage Range Part Number 1.8V IS24C32A-2ZI to 5.5V IS24C32A-2GI IS24C32A-2PI 1.8V IS24C32B-2ZI to 5.5V IS24C32B-2GI IS24C32B-2PI 1.8V IS24C64A-2ZI to 5.5V IS24C64A-2GI IS24C64A-2PI 1.8V IS24C64B-2ZI to 5.5V IS24C64B-2GI IS24C64B-2PI *Please check with the Sales Rep for availability. 14 Package 8-pad 2x3mm DFN 8-pin 3x4.4mm TSSOP 8-pin 120-mil MSOP ...

  • Page 15

    ... IS24C32A/B IS24C64A/B Dual Flat No-Lead Package Code: D (8-pad) D Pad 1 index area DFN MILLIMETERS Sym. Min. Nom. Max. N0. Pad 8 D 2.00 BSC E 3.00 BSC D2 1.50 — 1.75 E2 1.60 — 1.90 A 0.70 0.75 0.80 A1 0.0 0.02 0.05 A2 — — 0.75 A3 0.20 REF L 0.30 ...

  • Page 16

    ... IS24C32A/B IS24C64A/B Thin Shrink Small Outline TSSOP Package Code pin, 14 pin TSSOP (Z) Ref. Std. JEDEC MO-153 No. Leads 8 Millimeters Symbol Min Max A — 1.20 A1 0.05 0.15 0.002 0.006 A2 0.80 1.05 0.032 0.041 B 0.19 0.30 0.007 0.012 C 0.09 0.20 0.004 0.008 D 2.90 3.10 ...

  • Page 17

    ... IS24C32A/B IS24C64A/B Plastic MSOP Package Code: S Plastic MSOP (S) Ref. Std. JEDEC MO 187 No. Leads 8 (120 mil) Millimeters Symbol Min Nom. Max A — 1.10 A1 0.05 0.15 A2 0.81 0.86 0.91 B 0.25 0.30 0.40 C 0.13 0.15 0.18 D 2.95 3.00 3.05 E 2.95 3.00 3.05 H 4.90 Typ. ...

  • Page 18

    ... IS24C32A/B IS24C64A/B 150-mil Plastic SOP Package Code 150-mil Plastic SOP (G, GR) Symbol Min Max Ref. Std. Inches No. Leads 8 A — 0.068 A1 0.004 0.009 B 0.013 0.020 C 0.007 0.010 D 0.189 0.197 E 0.150 0.157 H 0.228 0.245 e 0.050 BSC L 0.020 0.035 SEATING PLANE Min Max ...

  • Page 19

    ... IS24C32A/B IS24C64A/B 300-mil Plastic DIP Package Code: N FOR 32-PIN ONLY MILLIMETERS Sym. Min. Max. Min. N0. Leads 8 A 4.57 3.68 0.145 A1 — 0.38 0.015 B 0.56 0.36 0.014 B1 1.52 1.14 0.045 B2 1.17 0.81 0.032 C 0.33 0.20 0.008 D 9.12 9.53 0.359 E 7.62 8.26 0.300 E1 6 ...

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