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4256BWP Datasheet(PDF) 15 Page - STMicroelectronics

Part # 4256BWP
Description  256Kbit and 128Kbit Serial I2C Bus EEPROM With Three Chip Enable Lines
PDF  25 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

4256BWP Datasheet(HTML) 15 Page - STMicroelectronics

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M24128-BW, M24128-BR, M24256-BW, M24256-BR
Table 11. Input Parameters
Note: 1. TA = 25°C, f = 400kHz
2. Sampled only, not 100% tested.
Table 12. DC Characteristics (M24128-BW, M24256-BW)
Table 13. DC Characteristics (M24128-BR, M24256-BR)
Symbol
Parameter1,2
Test Condition
Min.
Max.
Unit
CIN
Input Capacitance (SDA)
8
pF
CIN
Input Capacitance (other pins)
6
pF
ZL
Input Impedance (WC)
VIN < 0.3 VCC
30
k
Ω
ZH
VIN > 0.7VCC
500
k
Ω
tNS
Pulse width ignored
(Input Filter on SCL and SDA)
Single glitch
100
ns
Symbol
Parameter
Test Condition
(in addition to those in Table 8.)
Min.
Max.
Unit
ILI
Input Leakage Current
(SCL, SDA)
VIN = VSS or VCC
device in Stand-by mode
± 2
µA
ILO
Output Leakage Current
VOUT = VSS or VCC, SDA in Hi-Z
± 2
µA
ICC
Supply Current
VCC =2.5V, fc=400kHz (rise/fall time < 30ns)
1mA
VCC = 5V, fc=400kHz (rise/fall time < 30ns)
2mA
ICC1
Stand-by Supply Current
VIN = VSS or VCC , VCC = 2.5V
2
µA
VIN = VSS or VCC , VCC = 5V
10
µA
VIL
Input Low Voltage (SCL, SDA)
–0.45
0.3VCC
V
VIH
Input High Voltage
(SCL, SDA, WC)
0.7VCC
VCC+1
V
VOL
Output Low Voltage
IOL = 2.1 mA, VCC = 2.5 V
0.4
V
Symbol
Parameter
Test Condition
(in addition to those in Table 9.)
Min.
Max.
Unit
ILI
Input Leakage Current
(SCL, SDA)
VIN = VSS or VCC
device in Stand-by mode
± 2
µA
ILO
Output Leakage Current
VOUT = VSS or VCC, SDA in Hi-Z
± 2
µA
ICC
Supply Current
VCC =1.8V, fc=100kHz (rise/fall time < 30ns)
0.8
mA
ICC1
Stand-by Supply Current
VIN = VSS or VCC , VCC = 1.8 V
1µA
VIL
Input Low Voltage (SCL, SDA)
–0.45
0.3 VCC
V
Input Low Voltage
(E2, E1, E0, WC)
–0.45
0.5
V
VIH
Input High Voltage
(E2, E1, E0, SCL, SDA, WC)
0.7VCC
VCC+1
V
VOL
Output Low Voltage
IOL = 0.7 mA, VCC = 1.8 V
0.2
V



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