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ACE24C128_11 Datasheet, PDF (5/18 Pages) ACE Technology Co., LTD. – Two-wire Serial EEPROM
ACE24C128/256
Two-wire Serial EEPROM
Write Protect Description
WP Pin Status
Part of the Array Protected
ACE24C128
ACE24C256
WP=VCC
Full (128K) Memory
Full (256K) Memory
WP=GND
Normal Read/Write Operations
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 = +1.7V.
Symbol
CI/O1
CIN1
Test Condition
Input / Output Capacitance
Input Capacitance
Max
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
ISB1
Standby Current
VCC = 5V, Write at 400KHz
VCC = 1.7V, VIN = VCC/ VSS
2.0 3.0 mA
1.0 µA
ISB2
Standby Current
VCC = 5.5V, VIN = VCC/ VSS
6.0 µA
ILI
ILO
VIL1
VIH1
VOL2
Input Leakage Current
VIN = VCC/VSS
0.10 3.0 µA
Output Leakage Current
VOUT = VCC/ VSS
0.05 3.0 µA
Input Low Level
-0.6
VCCx0.3 V
Input High Level
VCCx0.7
VCC+0.5 V
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 1.5 5