IMP183 4/A/D
Absolute Maximum Ratings
Voltage on V
IN
pins . . . . . . . . . . . . . . . . –0.5V to 7V
Voltage on 5VRESET . . . . . . . . . . . . . . . –0.5V to (+5V
IN
+0.5V)
(IMP1834, IMP1834D)
Voltage on 3.3VRESET . . . . . . . . . . . . . . –0.5V to (+3.3V
IN
+0.5V)
(IMP1834, IMP1834D)
Voltage on PBRST and reset outputs . . –0.5V to the greater of
5V
IN
+0.5V or 3.3V
IN
+0.5V
(IMP1834A)
Operating Temperature Range . . . . . . . –40°C to 85°C
Storage Temperature . . . . . . . . . . . . . . . –55°C to 125°C
Soldering Temperature . . . . . . . . . . . . . . 260°C for 10 seconds
Voltages measured with respect to ground.
These are stress ratings only and functional operation is not implied.
Electrical Characteristics
Recommended DC operating condition over the operating temperature range of –40°C to +85°C.
All voltages are referenced to ground.
Parameter
5V Supply Voltage (5V
IN
)
3.3V Supply Voltage (3.3V)
PBRST Input High Level
PBRST Input High Level
PBRST Input Low Level
Symbol
5V
IN
3.3V
IN
V
IH
V
IH
V
IL
Conditions
Both 3.3V
IN
and 5V
IN
≥
2.7V
Both 3.3V
IN
and 5V
IN
≤
2.7V
Min
1.2
1.2
2
V
INMAX
– 0.4V
– 0.3
Typ
Max
5.5
5.5
V
INMAX
+ 0.3V
0.5
Units
V
V
V
V
V
Unless otherwise noted, V
IN
= 1.2V to 5.5V and specifications are over the operating temperature range of –40°C to +85°C.
Parameter
Output Voltage
Input Leakage
Output Current
Symbol
V
OH
I
IL
I
OH
Conditions
Output = 2.4V. Either 3.3V
IN
or
5V
IN
≥
2.7V.
(IMP1834/1834D only)
Output = 0.4V. Either 3.3V
IN
or
5V
IN
≥
2.7V.
(IMP1834/1834D only)
3.3V
IN
and 5V
IN
≤
5.5V,
RESET outputs open.
3.3V
IN
and 5V
IN
≤
3.6V,
RESET outputs open.
5VTOL = GND
5VTOL = 5V
IN
3.3VTOL = GND
3.3VTOL = 3.3V
IN
Min
–1.0
Typ
V
IN
– 0.1V
350
Max
+1.0
Units
V
µA
µA
Output Current
I
OL
+10
mA
µA
µA
V
V
V
V
pF
ms
ms
ms
µs
µs
ns
ms
5V Operating Current
3.3V Operating Current
5V Trip Point
5V Trip Point
3.3V Trip Point
3.3V Trip Point
Output Capacitance
PBRST Manual Reset
Minimum Low Time
PBRST Stable LOW to
Reset Active
Reset Active Time
V
CC
Detect Noise Immunity
V
CC
Slew Rate
V
CC
Slew Rate
V
CC
Detect to RESET or RESET
I
CC
I
CC
V
INTP
V
INTP
V
INTP
V
INTP
C
OUT
t
PB
t
PDLY
t
RST
t
RPD
t
F
t
R
t
RPU
16
12
4.50
4.25
2.80
2.47
2
4.63
4.38
2.88
2.55
30
25
4.75
4.49
2.97
2.64
10
2
200
V
INTP
(MAX) to V
INTP
(MIN)
V
INTP
(MIN) to V
INTP
(MAX)
t
rise
= 5µs
300
0
200
350
500
2
350
500
©
1999 IMP, Inc.
408-432-9100/www.impweb.com
3
IMP [ IMP, INC ]
