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PDF ACE24C256 Data sheet ( Hoja de datos )
| Número de pieza | ACE24C256 | |
| Descripción | Two-wire Serial EEPROM | |
| Fabricantes | ACE Technology | |
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ACE24C128/256
Technology
Two-wire Serial EEPROM
Description
The ACE24C128/256 provides 131,072/262,144 bits of serial electrically erasable and programmable read-only
memory (EEPROM) organized as 16,384/32,768 words of 8 bits each. The device’s cascadable feature allows up
to 8 devices to share a common two-wire bus. The device is optimized for use in many industrial and
commercial applications where low-power and low-voltage operations are essential.
Features
z Low Operation Voltage: Vcc = 1.7V to 5.5V
z Internally Organized: 16,384 x 8(128K), 32,768 x 8(256K)
z Two-wire Serial Interface
z Schmitt Trigger, Filtered Inputs for Noise Suppression
z Bi-directional Data Transfer Protocol
z 1MHz (2.5V~5.5V) and 400 kHz (1.7V) Compatibility
z Write Protect Pin for Hardware Data Protection
z 64-byte Page Write Modes (Partial Page Writes are Allowed)
z Self-timed Write Cycle (5 ms max)
z High-reliability - Endurance: 1,000,000 Write Cycles
- Data Retention: 100 Years
z PDIP-8,SOP-8,TSSOP-8 ROHS compliant Packages
z Wafer Sales: available in inked wafer Form
Absolute Maximum Ratings
Operating Temperature
Storage Temperature
-55℃ to +125℃
-65℃ to +150℃
Voltage on Any Pin with Respect to Ground -1.0V to +7.0V
Maximum Operating Voltage
6.25V
DC Output Current
5.0 mA
*Notice: Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a
stress rating only and functional operation of the device at these or any other conditions beyond those indicated in the operational
sections of this specification are not implied. Exposure to absolute maximum rating conditions for extended periods may affect
device reliability.
VER 1.2 1
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ACE24C128/256
Technology
Two-wire Serial EEPROM
Memory Organization
ACE24C128, 128K Serial EEPROM:
Internally organized with 256 pages of 64 bytes each, Random word addressing requires a 14-bit data
word address.
ACE24C256, 256K Serial EEPROM:
Internally organized with 512 pages of 64 bytes each, Random word addressing requires a 15-bit data
word address.
Pin Capacitance
Applicable over recommended operating range from: TA = 25℃, f = 1.0 MHz, VCC = +1.8V.
Symbol
Test Condition
Max
CI/
1
O
CIN1
Input / Output Capacitance
Input Capacitance
8
6
Note: 1. This parameter is characterized and is not 100% tested.
Units
pF
pF
Conditions
VI/O = 0V
VIN = 0V
DC Characteristics
Applicable over recommended operating range from: TA = -40℃ to +85℃, VCC = +1.7V to +5.5V, (unless otherwise noted).
Symbol
Parameter
Test Condition
Min Typ Max Units
VCC Supply Voltage
1.7 5.5 V
ICC1 Supply Current
VCC = 5V, Read at 400KHz
0.4 1.0 mA
ICC2 Supply Current
VCC = 5V, Write at 400KHz
2.0 3.0 mA
ISB1 Standby Current
VCC = 1.7V, VIN = VCC/ VSS
1.0 µA
ISB2 Standby Current
VCC = 5.5V, VIN = VCC/ VSS
6.0 µA
ILI Input Leakage Current
VIN = VCC/VSS
0.10 3.0 µA
ILO
Output Leakage Current
VOUT = VCC/ VSS
0.05 3.0 µA
VIL1 Input Low Level
-0.6 VCCx0.3 V
VIH1 Input High Level
VCCx0.7
VCC+0.5 V
VOL2
Output Low Level 2
VCC = 3.0V, IOL = 2.1 mA
0.4 V
VOL1
Output Low Level 1
VCC = 1.7V, IOL = 0.15 mA
0.2 V
Note: 1. VIL min and VIH max are reference only and are not tested.
VER 1.2 5
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ACE24C128/256
Technology
Two-wire Serial EEPROM
Figure 8．Byte Write
Figure 9．Page Write
Figure 10．Current Address Read
VER 1.2 11
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| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet ACE24C256.PDF ] | |
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