ST24E64, ST25E64
Table 5. Input Parameters (1) (TA = 25 °C, f = 400 kHz )
Symbol
Parameter
Test Condition
Min
Max
Unit
CIN
Input Capacitance (SDA)
CIN
Input Capacitance (other pins)
ZWCL
WC Input Impedance
ZWCH
WC Input Impedance
tLP
Low-pass filter input time constant
(SDA and SCL)
Note: 1. Sampled only, not 100% tested.
8
pF
6
pF
VIN ≤ 0.3 VCC
5
20
kΩ
VIN ≥ 0.7 VCC
500
kΩ
100
ns
Table 6. DC Characteristics
(TA = –40 to 85 °C or 0 to 70 °C; VCC = 4.5V to 5.5V or 2.5V to 5.5V)
Symbol
Parameter
Test Condition
Min
Max
Unit
ILI
Input Leakage Current
(SCL, SDA, E0-E2)
0V ≤ VIN ≤ VCC
±2
µA
ILO
Output Leakage Current
0V ≤ VOUT ≤ VCC
SDA in Hi-Z
±2
µA
Supply Current (ST24 series)
ICC
Supply Current (ST25 series)
fC = 400kHz
(Rise/Fall time < 30ns)
2
mA
1
mA
ICC1
Supply Current (Standby)
(ST24 series)
VIN = VSS or VCC,
VCC = 5V
VIN = VSS or VCC,
VCC = 5V, fC = 400kHz
100
µA
300
µA
ICC2
Supply Current (Standby)
(ST25 series)
VIL
Input Low Voltage (SCL, SDA)
VIH
Input High Voltage (SCL, SDA)
VIN = VSS or VCC,
VCC = 2.5V
5
µA
VIN = VSS or VCC,
VCC = 2.5V, fC = 400kHz
50
µA
–0.3
0.3 VCC
V
0.7 VCC
VCC + 1
V
VIL
Input Low Voltage (E0-E2, WC)
VIH
Input High Voltage (E0-E2, WC)
–0.3
0.5
V
VCC – 0.5 VCC + 1
V
Output Low Voltage
VOL
IOL = 3mA, VCC = 5V
Output Low Voltage (ST25 series) IOL = 2.1mA, VCC = 2.5V
0.4
V
0.4
V
5/16