LTC1232IS8 Linear Technology, LTC1232IS8 Datasheet - Page 3

• Manufacturer Part Number: LTC1232IS8
• Description: IC MPU SUPERVISORY CIRCUIT 8SOIC
• Manufacturer: Linear Technology
• Type: Simple Reset/Power-On Resetr

Specifications of LTC1232IS8

• Number Of Voltages Monitored: 1
• Output: Open Drain, Open Drain
• Reset: Active High/Active Low
• Reset Timeout: 250 ms Minimum
• Voltage - Threshold: 4.37V, 4.62V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

AC CHARACTERISTICS
RECO
DC ELECTRICAL CHARACTERISTICS
SYMBOL
I
I
I
I
V
V
V
V
SYMBOL
V
V
V
V
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: All voltage values are with respect to GND.
Note 3: The PB RST pin is internally pulled up to V
impedance of 10k typical. The TD pin has internal bias current.
over the full operating temperature. V
temperature. V
SYMBOL
t
t
t
t
t
t
t
t
C
C
IL
OH
OL
CC
CCTP
CCTP
HYS
RST
PB
RST
ST
RPD
f
RPU
R
TD
CC
IH
IL
CC
IN
OUT
= full operating range.
W W
PARAMETER
Input Leakage
Output Current at 2.4V
Output Current at 0.4V
Supply Current
V
V
V
RST Output Voltage at V
PARAMETER
Supply Voltage
ST and PB RST Input High Level
ST and PB RST Input Low Level
CC
CC
CC
CC
PARAMETER
PB RST = V
RESET Active Time
ST Pulse Width
V
V
V
(Reset Active Time)
V
ST Pin Detect to RST and RST
(Watchdog Time-Out Period)
Input Capacitance
Output Capacitance
CC
CC
CC
CC
Trip Point
Trip Point
Trip Point Hysteresis
= full operating range.
E DED OPERATI G CO DITIO S
Detect to RST and RST
Slew Rate 4.75V–4.25V
Detect to RST and RST
Slew Rate 4.25V–4.75V
U
IL
CC
= 1V
CC
= full operating range.
The
CC
●
with an internal
denotes the specifications which apply over the full operating temperature.
U
CONDITIONS
(Note 3)
(Note 5)
(Note 5)
(Note 4)
TOL = GND
TOL = V
I
CONDITIONS
SINK
CONDITIONS
t
TD = GND
TD = Floating
TD = V
R
= 5µs
= 10µA
CC
CC
U
The
●
Note 4: Measured with outputs open.
Note 5: The RST pin is an open drain output.
denotes the specifications which apply over the full operating
U
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
The
●
denotes the specifications which apply
4.25
–0.3
MIN
MIN
4.5
MIN
4.5
–1
–1
250
300
250
250
500
2
40
20
60
2
0
4.62
4.37
–13
1200
TYP
TYP
0.5
TYP
40
610
610
150
610
6
4
5
5
5
V
CC
MAX
MAX
4.74
4.49
200
1000
1000
1000
2000
MAX
5.5
0.8
100
250
1
2
+0.3
LTC1232
sn1232 1232fas
UNITS
UNITS
UNITS
3
mA
mA
mA
mV
mV
ms
ms
ms
ms
ms
ms
µA
ns
ns
µs
ns
pF
pF
V
V
V
V
V