English
Language : 

MIC2788 Datasheet, PDF (4/17 Pages) Micrel Semiconductor – Push-Button Reset IC
Micrel, Inc.
MIC2788/MIC2789
Absolute Maximum Ratings(1)
Supply Voltage (VIN) ..................................... −0.3V to +6.0V
Reset Input Voltage (/MR0, /MR1). ....... −0.3V to VIN + 0.3V
Open Drain Reset Output (/RST) ................. −0.3V to +6.0V
Push-Pull Reset Output (RSTP)............ −0.3V to VIN + 0.3V
Tri-State Programmable Delay (PDY)... −0.3V to VIN + 0.3V
Lead Temperature (soldering, 10sec.)....................... 260°C
Junction Temperature (TJ) ........................−40°C to +150°C
Storage Temperature (Ts)......................... −55°C to +150°C
ESD Rating (Human Body Model)(3) .............................. 2kV
ESD Rating (Machine Model)(3)....................................300V
Operating Ratings(2)
Supply Voltage (VIN)..................................... +1.6V to +5.5V
Reset Input Voltage (/MR0, /MR1)......................... 0V to VIN
Open Drain Reset Output (/RST)...................... 0V to +5.5V
Push-Pull Reset Output (/RSTP) ........................... 0V to VIN
Tri-State Programmable Delay (PDY).................... 0V to VIN
Ambient Temperature (TA) .......................... –40°C to +85°C
Junction Thermal Resistance
2mm × 2mm Thin MLF® (θJA).............................90°C/W
Electrical Characteristics(4)
VIN = 3.0V, TA = 25°C, Bold values indicate –40°C ≤ TA ≤ +85°C; unless noted otherwise.
Parameter
Conditions
Min.
Typ.
Power Supply Input
Supply Voltage (VIN)
1.6
VIN = 5V; /MR0, /MR1, /RST, RSTP, and PDY
open
3.4
Supply Current (IIN)
VIN = 3V; /MR0, /MR1, /RST, RSTP, and PDY
open
2.9
Reset Time
PDY = Open
1.6
2.0
Set-Up Delay (tSETUP)
Reset Timeout Delay (tRESET)
PDY = 0V
PDY = VIN
Option X
Option Y
3.2
4.0
4.8
6.0
140
220
240
350
Reset Outputs (/RST, RSTP)
Reset Output Voltage Low
(/RST Output and RSTP Output)
(VOL)
VIN = 4.5V, ISINK = 3.2mA
VIN = 3.3V, ISINK = 2.5mA
VIN = 1.6V, ISINK = 1.0mA
Reset Output Voltage High
(RSTP Output) (VOH)
/RST Output Leakage (ILO)
VIN = 4.5V, ISOURCE = 0.8mA
VIN = 2.7V, ISOURCE = 0.5mA
VIN = 1.6V, ISOURCE = 250μA
V/RST = 5.5V
0.8 × VIN
0.8 × VIN
0.8 × VIN
Notes:
1. Exceeding the absolute maximum rating may damage the device.
2. The device is not guaranteed to function outside its operating rating.
3. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5kΩ in series with 100pF.
4. Specification for packaged product only.
Max.
Units
5.5
V
7.5
µA
2.4
4.8
s
7.2
280
ms
480
0.3
0.3
V
0.3
V
0.3
μA
October 2011
4
M9999-102711-A