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Symbol
Parameter
Test Condition
Min
Max
Unit
CIN
Input Capacitance (SDA)
8
pF
CIN
Input Capacitance (other pins)
6
pF
ZWCL
WC Input Impedance (ST24/25W04)
VIN
≤ 0.3 VCC
520
k
ZWCH
WC Input Impedance (ST24/25W04)
VIN
≥ 0.7 VCC
500
k
tLP
Low-pass filter input time constant
(SDA and SCL)
100
ns
Note: 1. Sampled only, not 100% tested.
Table 5. Input Parameters (1) (TA = 25
°C, f = 100 kHz )
Symbol
Parameter
Test Condition
Min
Max
Unit
ILI
Input Leakage Current
0V
≤ VIN ≤ VCC
±2
A
ILO
Output Leakage Current
0V
≤ VOUT ≤ VCC
SDA in Hi-Z
±2
A
ICC
Supply Current (ST24 series)
VCC = 5V, fC = 100kHz
(Rise/Fall time < 10ns)
2mA
Supply Current (ST25 series)
VCC = 2.5V, fC = 100kHz
1
mA
ICC1
Supply Current (Standby)
(ST24 series)
VIN = VSS or VCC,
VCC = 5V
100
A
VIN = VSS or VCC,
VCC = 5V, fC = 100kHz
300
A
ICC2
Supply Current (Standby)
(ST25 series)
VIN = VSS or VCC,
VCC = 2.5V
5
A
VIN = VSS or VCC,
VCC = 2.5V, fC = 100kHz
50
A
ICC3
Supply Current (Standby)
(ST24C04R)
VIN = VSS or VCC,
VCC = 3.6V
20
A
VIN = VSS or VCC,
VCC = 3.6V, fC = 100kHz
60
A
ICC4
Supply Current (Standby)
(ST24C04R)
VIN = VSS or VCC,
VCC = 1.8V
10
A
VIN = VSS or VCC,
VCC = 1.8V, fC = 100kHz
20
A
VIL
Input Low Voltage (SCL, SDA)
–0.3
0.3 VCC
V
VIH
Input High Voltage (SCL, SDA)
0.7 VCC
VCC + 1
V
VIL
Input Low Voltage
(E1-E2, PRE, MODE, WC)
–0.3
0.5
V
VIH
Input High Voltage
(E1-E2, PRE, MODE, WC)
VCC – 0.5
VCC + 1
V
VOL
Output Low Voltage (ST24 series)
IOL = 3mA, VCC = 5V
0.4
V
Output Low Voltage (ST25 series)
IOL = 2.1mA, VCC = 2.5V
0.4
V
Output Low Voltage
(ST24C04R)
IOL = 1mA, VCC = 1.8V
0.3
V
Table 6. DC Characteristics
(TA = 0 to 70
°C, –20 to 85°C or –40 to 85°C; VCC = 3V to 5.5V, 2.5V to 5.5V or 1.8V to 5.5V)
5/16
ST24/25C04, ST24C04R, ST24/25W04