ST24E16, ST25E16
Table 5. Input Parameters (1) (TA = 25 °C, f = 400 kHz )
Symbol
CIN
Parameter
Input Capacitance (SDA)
Test Condition
Min
Max
8
Unit
pF
CIN
Input Capacitance (other pins)
WC Input Impedance
6
pF
ZWCL
ZWCH
V
IN ≤ 0.3 VCC
IN ≥ 0.7 VCC
5
20
kΩ
kΩ
WC Input Impedance
V
500
Low-pass filter input time constant
(SDA and SCL)
tLP
100
ns
Note: 1. Sampled only, not 100% tested.
Table 6. DC Characteristics
(TA = 0 to 70 ° or –40 to 85 °C; VCC = 4.5V to 5.5V or 2.5V to 5.5V)
Symbol
Parameter
Test Condition
Min
Max
Unit
Input Leakage Current
(SCL, SDA, E0-E2)
ILI
0V ≤ VIN ≤ VCC
±2
µA
0V ≤ VOUT ≤ VCC
ILO
Output Leakage Current
±2
µA
SDA in Hi-Z
Supply Current (ST24 series)
Supply Current (ST25 series)
2
1
mA
mA
fC = 400kHz
(Rise/Fall time < 30ns)
ICC
VIN = VSS or VCC
VCC = 5V
,
100
300
5
µA
µA
µA
µA
Supply Current (Standby)
(ST24 series)
ICC1
V
IN = VSS or VCC
,
VCC = 5V, fC = 400kHz
VIN = VSS or VCC
VCC = 2.5V
,
Supply Current (Standby)
(ST25 series)
ICC2
V
IN = VSS or VCC
,
50
V
CC = 2.5V, fC = 400kHz
VIL
VIH
VIL
VIH
Input Low Voltage (SCL, SDA)
Input High Voltage (SCL, SDA)
Input Low Voltage (E0-E2, WC)
Input High Voltage (E0-E2, WC)
Output Low Voltage (ST24 series)
Output Low Voltage (ST25 series)
–0.3
0.7 VCC
–0.3
0.3 VCC
VCC + 1
0.5
V
V
V
V
V
V
VCC – 0.5
VCC + 1
0.4
IOL = 3mA, VCC = 5V
OL = 2.1mA, VCC = 2.5V
VOL
I
0.4
5/16
STMICROELECTRONICS [ ST ]
