MIC74 Datasheet, PDF (3/20 Pages) Micrel Semiconductor – 2-Wire Serial I/O Expander and Fan Controller Advance Information

MIC74
Absolute Maximum Ratings (Note 1)
Supply Voltage (V_DD) ................................................. +4.6V
Input Voltage [all pins except
V_DD and GND] (V_IN) ........................ GND – 0.3V to 5.5V
Junction Temperature (T_J) ...................................... +150°C
Lead Temperature (10 sec.) .................................... +260°C
ESD Rating, Note 3
V_DD ........................................................................................... 1.5kV
A0,A1,A2 ................................................................. 500V
Others ..................................................................... 200V
Micrel
Operating Ratings (Note 2)
Supply Voltage (V_DD) .................................. +2.7V to +3.6V
Ambient Temperature (T_A) ......................... –40°C to +85°C
Package Thermal Resistance ............................... 163°C/W
Electrical Characteristics
2.7V ≤ V_DD ≤ 3.6V; T_A = 25°C, bold values indicate –40°C ≤ T_A ≤ +85°C; unless noted.
Symbol
Parameter
Condition
Min Typ Max Units
V_IN
I_DD
I_START
Input Voltage, any pin except
V_DD and GND
Operating Supply Current
Fan Startup Supply Current
(Fan Mode Only)
GND–0.3
P[7:0] inputs; P[7:0] = V_DD or GND
2
/ALERT open; f_CLK = 100kHz
during t_START; /ALERT, /SHDN,
/FS2[2:0] = open; V_SMBCLK = V_SMBDATA = V_DD;
P[3:0] = inputs
5.5
V
6
µA
1.75 mA
I_STBY
Standby Supply Current
/ALERT = open, V_SMBCLK = V_SMBDATA = V_DD;
P[3:0] = inputs
1
3
µA
Serial I/O (DATA, CLK)
V_IL
Input Low Voltage
V_IH
Input High Voltage
V_OL
Output Low Voltage
I_OL = 3mA
I_LEAK
Leakage Current
V_IN = 5.5V or GND
C_IN
Input Capacitance
Parallel I/O [P0–P3, P4(/SHDN), P5(/FS0)–P7(/FS2)]
–0.3
0.8
V
2.0
5.5
V
0.4
V
–1
+1
µA
10
pF
V_IL
Input Low Voltage
V_IH
Input High Voltage
I_OL
Output Low Current
I_OH
Output High Current
I_LEAK
Leakage Current
C_IN
Input Capacitance
C_OUT
Output Capacitance
Address Input (A0–A2)
V_OL = 0.4V, V_DD = 2.7V
V_OL = 1V, V_DD = 3.3V
V_OH = 2.4V
V_IN = 5.5V or GND
–0.5
0.8
V
2
5.5
V
7
mA
10
mA
7
mA
–1
+1
µA
10
pF
10
pF
V_IL
V_IH
I_LEAK
Input Low Voltage
Input High Voltage
Leakage Current
V_IN = V_DD or GND
–0.3
0.7V_DD
–250
0.3V_DD V
V_DD+0.3 V
+250 nA
August 1, 2000
3
MIC74