GT24C32A Datasheet PDF - Giantec Semiconductor

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GT24C32A
Giantec Semiconductor

Part Number GT24C32A
Description 2-WIRE 32K Bits Serial EEPROM
Page 23 Pages


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GT24C32A
GT24C32A
2-WIRE
32K Bits
Serial EEPROM
Copyright © 2013 Giantec Semiconductor Inc. (Giantec). All rights reserved. Giantec reserves the right to make changes to this specification and its products at any time without
notice. Giantec products are not designed, intended, authorized or warranted for use as components in systems or equipment intended for critical medical or surgical equipment,
aerospace or military, or other applications planned to support or sustain life. It is the customer's obligation to optimize the design in their own products for the best performance
and optimization on the functionality and etc. Giantec 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 prior placing orders for products.
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GT24C32A
Table of Contents
1. Features ..................................................................................................................................................................... 3 
2. General Description............................................................................................................................................. 3 
3. Functional Block Diagram................................................................................................................................ 4 
4. Pin Configuration................................................................................................................................................... 5 
4.1 8-Pin SOIC/SOP, TSSOP and MSOP .................................................................................................. 5
4.2 8-Lead UDFN and XDFN ..................................................................................................................... 5
4.3 Pin Definition ........................................................................................................................................ 5
4.4 Pin Descriptions ................................................................................................................................... 5
5. Device Operation................................................................................................................................................... 6 
5.1 2-WIRE Bus ......................................................................................................................................... 6
5.2 The Bus Protocol.................................................................................................................................. 6
5.3 Start Condition...................................................................................................................................... 6
5.4 Stop Condition...................................................................................................................................... 6
5.5 Acknowledge ........................................................................................................................................ 6
5.6 Reset.................................................................................................................................................... 6
5.7 Standby Mode ...................................................................................................................................... 6
5.8 Device Addressing ............................................................................................................................... 6
5.9 Write Operation .................................................................................................................................... 6
5.10 Read Operation.................................................................................................................................. 7
5.11 Diagrams ............................................................................................................................................ 8
5.12. Timing Diagrams ..............................................................................................................................11
6. Electrical Characteristics .............................................................................................................................. 12 
6.1 Absolute Maximum Ratings................................................................................................................ 12
6.2 Operating Range................................................................................................................................ 12
6.3 Capacitance ....................................................................................................................................... 12
6.4 DC Electrical Characteristic ............................................................................................................... 13
6.5 AC Electrical Characteristic ................................................................................................................ 14
7. Ordering Information......................................................................................................................................... 15 
8. Top Markings......................................................................................................................................................... 16 
8.1 SOIC/SOP package ........................................................................................................................... 16
8.2 TSSOP package................................................................................................................................. 16
8.3 UDFN package................................................................................................................................... 16
8.4 XDFN package................................................................................................................................... 16
8.5 MSOP Package.................................................................................................................................. 17
9. Package Information......................................................................................................................................... 18 
9.1 SOIC/SOP.......................................................................................................................................... 18
9.2 TSSOP ............................................................................................................................................... 19
9.3 UDFN ................................................................................................................................................. 20
9.4 XDFN ................................................................................................................................................. 21
9.5 MSOP ................................................................................................................................................ 22
10. Revision History.................................................................................................................................................23 
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GT24C32A
1. Features
Two-Wire Serial Interface, I2CTM Compatible
Bi-directional data transfer protocol
Wide-voltage Operation
VCC = 1.7V to 5.5V
Speed: 400 KHz (1.7V) and 1 MHz (2.5V~5.5V)
Standby current (max.): 1 A, 1.7V
Operating current (max.): 1 mA, 1.7V
Hardware Data Protection
Write Protect Pin
Sequential & Random Read Features
Memory organization: 32Kb (4,096 x 8)
Page Size: 32 bytes
2. General Description
The GT24C32A is an industrial standard electrically
erasable programmable read only memory (EEPROM)
device that utilizes the industrial standard 2-wire interface
for communications. The GT24C32A contains a memory
array of 32K bits (4,096x8), which is organized in 32-byte
per page.
The EEPROM operates in a wide voltage range from 1.7V
to 5.5V, which fits most application. The product provides
low-power operations and low standby current. The device
is offered in Lead-free, RoHS, halogen free or Green
package. The available package types are 8-pin SOIC/SOP,
TSSOP, UDFN, XDFN, MSOP and CSP.
The GT24C32A is compatible to the standard 2-wire bus
protocol. The simple bus consists of Serial Clock (SCL) and
Serial Data (SDA) signals. Utilizing such bus protocol, a
Master device, such as a microcontroller, can usually
control one or more Slave devices, alike this GT24C32A.
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
Page write mode
Partial page writes allowed
Self timed write cycle: 5 ms (max.)
Noise immunity on inputs, besides Schmitt trigger
High-reliability
Endurance: 1 million cycles
Data retention: 100 years
Industrial grade
Packages: SOIC/SOP, TSSOP, UDFN, XDFN,
MSOP and CSP
Lead-free, RoHS, Halogen free, Green
appropriate. The GT24C32A also has a Write Protect
function via WP pin to cease from overwriting the data
stored inside the memory array.
In order to refrain the state machine from entering into a
wrong state during power-up sequence or a power toggle
off-on condition, a power on reset circuit is embedded.
During power-up, the device does not respond to any
instructions until the supply voltage (VCC) has reached an
acceptable stable level above the reset threshold voltage.
Once VCC passes the power on reset threshold, the device
is reset and enters into the Standby mode. This would also
avoid any inadvertent Write operations during power-up
stage. During power-down process, the device will enter
into standby mode, once VCC drops below the power on
reset threshold voltage. In addition, the device will be in
standby mode after receiving the Stop command, provided
that no internal write operation is in progress. Nevertheless,
it is illegal to send a command unless the VCC is within its
operating level.
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GT24C32A
3. Functional Block Diagram
VCC 8
SDA
SCL
WP
5
6
7
A0 1
A1 2
A2 3
GND 4
HIGH VOLTAGE
GENERATOR
TIMING &
CONTROL
SLAVE ADDRESS
REGISTER &
COMPARATOR
CONTROL LOGIC
WORD ADDRESS
COUNTER
nMOS
ACK
CLOCK
DI
DO
EEPROM ARRAY
Y DECODER
DATA REGISTER
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