IMP183 4/A/D
Pin Configuration
DIP/SO/MicroSO
5V
IN
5VRESET*
5VTOL
GND
1
2
3
4
IMP1834
IMP1834A
IMP1834D
8
7
6
5
3.3V
IN
3.3VRESET*
3.3VTOL
PBRST
* IMP1834D reset outputs are
active HIGH (5VRESET and 3.3VRESET).
Outputs are open drain for IMP1834A.
1834_03.eps
Pin Descriptions
Pin Number
1
2
3
4
5
6
7
8
Name
5V
IN
5VRESET
5VRESET
5VTOL
GND
PBRST
3.3VTOL
3.3VRESET
3.3VRESET
3.3V
IN
5V power supply input.
Function
5V reset output (Active LOW, IMP1834, IMP1834A. Open drain outputs for IMP1834A).
5V reset output (Active HIGH, IMP1834D).
5V input tolerance select: 10% tolerance for 5VTOL 5V
IN
and 5% tolerance for 5VTOL = GND.
Ground.
Debounced manual pushbutton reset input (40k
Ω
internal pull up).
3.3V input tolerance select: 20% tolerance for 3.3VTOL = 3.3V
IN
, and 10% tolerance for
3.3VTOL = GND.
3.3V reset output (Active LOW, IMP1834, IMP1834A. Open drain outputs for IMP1834A).
3.3V reset output (Active HIGH, IMP1834D).
3.3V power supply input.
1834_01t.eps
Ordering Information
Part Number
IMP1834
IMP1834EMA
IMP1834S
IMP1834/D
IMP1834A
IMP1834AEMA
IMP1834AS
IMP1834A/D
IMP1834D
IMP1834DEMA
IMP1834DS
IMP1834D/D
Package
8-DIP
MicroSO
8-SO
DICE
8-DIP
MicroSO
8-SO
DICE
8-DIP
MicroSO
8-SO
DICE
Operating
Temperature Range
– 40°C to 85°C
– 40°C to 85°C
– 40°C to 85°C
25°C
– 40°C to 85°C
– 40°C to 85°C
– 40°C to 85°C
25°C
– 40°C to 85°C
– 40°C to 85°C
– 40°C to 85°C
25°C
Reset Polarity
LOW
LOW
LOW
LOW
LOW
LOW
LOW
LOW
HIGH
HIGH
HIGH
HIGH
Output Stage
Push-Pull
Push-Pull
Push-Pull
Push-Pull
Open Drain
Open Drain
Open Drain
Open Drain
Push-Pull
Push-Pull
Push-Pull
Push-Pull
1834_02t.eps
2
408-432-9100/www.impweb.com
©
1999 IMP, Inc.
A1PROS [ A1 PROS CO., LTD. ]
