IMP1834/A/D
Absolute Maximum Ratings
Voltage on VIN pins . . . . . . . . . . . . . . . . –0.5V to 7V
Voltage on 5VRESET . . . . . . . . . . . . . . . –0.5V to (+5VIN +0.5V)
(IMP1834, IMP1834D)
Operating Temperature Range . . . . . . . –40°C to 85°C
Storage Temperature . . . . . . . . . . . . . . . –55°C to 125°C
Soldering Temperature . . . . . . . . . . . . . . 260°C for 10 seconds
Voltage on 3.3VRESET . . . . . . . . . . . . . . –0.5V to (+3.3VIN +0.5V)
(IMP1834, IMP1834D)
Voltages measured with respect to ground.
Voltage on PBRST and reset outputs . . –0.5V to the greater of
5VIN +0.5V or 3.3VIN +0.5V
These are stress ratings only and functional operation is not implied.
(IMP1834A)
Electrical Characteristics
Recommended DC operating condition over the operating temperature range of –40°C to +85°C.
All voltages are referenced to ground.
Parameter
Symbol
5VIN
Conditions
Min
Typ
Max
5.5
Units
5V Supply Voltage (5VIN)
3.3V Supply Voltage (3.3V)
PBRST Input High Level
PBRST Input High Level
PBRST Input Low Level
1.2
V
V
V
V
V
3.3VIN
VIH
1.2
2
5.5
Both 3.3VIN and 5VIN ≥ 2.7V
Both 3.3VIN and 5VIN ≤ 2.7V
VINMAX +0.3V
VIH
VINMAX –0.4V
–0.3
VIL
0.5
Unless otherwise noted, VIN = 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
Conditions
Min
Typ
Max
Units
V
VOH
VIN – 0.1V
IIL
–1.0
+1.0
µA
IOH
Output = 2.4V. Either 3.3VIN or
5VIN ≥ 2.7V.
350
µA
(IMP1834/1834D only)
Output Current
IOL
Output = 0.4V. Either 3.3VIN or
5VIN ≥ 2.7V.
+10
mA
(IMP1834/1834D only)
5V Operating Current
3.3V Operating Current
ICC
ICC
3.3VIN and 5VIN ≤ 5.5V,
RESET outputs open.
16
12
30
25
µA
µA
3.3VIN and 5VIN ≤ 3.6V,
RESET outputs open.
5V Trip Point
VINTP
VINTP
VINTP
VINTP
COUT
tPB
5VTOL = GND
5VTOL = 5VIN
4.50
4.25
2.80
2.47
4.63
4.38
2.88
2.55
4.75
4.49
2.97
2.64
10
V
V
5V Trip Point
3.3V Trip Point
3.3V Trip Point
Output Capacitance
3.3VTOL = GND
3.3VTOL = 3.3VIN
V
V
pF
ms
PBRST Manual Reset
Minimum Low Time
2
PBRST Stable LOW to
Reset Active
tPDLY
2
ms
Reset Active Time
tRST
tRPD
tF
200
350
350
500
2
ms
µs
µs
ns
VCC Detect Noise Immunity
VCC Slew Rate
VINTP (MAX) to VINTP (MIN)
VINTP (MIN) to VINTP (MAX)
trise = 5µs
300
0
VCC Slew Rate
tR
VCC Detect to RESET or RESET
tRPU
200
500
ms
©
1999 IMP, Inc.
408-432-9100/www.impweb.com
3
A1PROS [ A1 PROS CO., LTD. ]
