ltc693csw-trpbf Linear Technology Corporation, ltc693csw-trpbf Datasheet - Page 4

• Manufacturer Part Number: ltc693csw-trpbf
• Description: Microprocessor Supervisory Circuits
• Manufacturer: Linear Technology Corporation

LTC692/LTC693
ELECTRICAL CHARACTERISTICS
PARAMETER
Watchdog Time-Out Period, Internal Oscillator
Watchdog Time-Out Period, External Clock
Reset Active Time PSRR
Watchdog Time-Out Period PSRR, Internal OSC
Minimum WDI Input Pulse Width
RESET Output Voltage at V
RESET and LOW LINE Output Voltage
RESET and WDO Output Voltage
RESET, RESET, WDO, LOW LINE Output
Short-Circuit Current (Note 4)
WDI Input Threshold
WDI Input Current
Power-Fail Detector
PFI Input Threshold
PFI Input Threshold PSRR
PFI Input Current
PFO Output Voltage (Note 4)
PFO Short-Circuit Source Current
PFI Comparator Response Time (Falling)
PFI Comparator Response Time (Rising)
Chip Enable Gating
CE IN Threshold
CE IN Pull-Up Current (Note 7)
CE OUT Output Voltage
CE Propagation Delay
CE OUT Output Short-Circuit Current
4
temperature range, otherwise specifi cations are at T
(Note 6)
(Note 4)
(Note 4)
(Note 4)
(Note 4)
CC
= 1V
CONDITIONS
Long Period, V
Short Period, V
Long Period
Short Period
V
I
I
I
I
I
Output Source Current
Output Sink Current
Logic Low
Logic High
WDI = V
WDI = 0V
V
I
I
PFI = High, PFO = 0V
PFI = Low, PFO = VOUT
ΔV
ΔV
Pull-Up
V
V
I
I
I
V
Output Source Current
Output Sink Current
SINK
SINK
SOURCE
SINK
SOURCE
SINK
SOURCE
SINK
SOURCE
SOURCE
IL
CC
IL
IH
CC
IN
IN
= 0.4V, V
= 5V
= 5V, C
= 10μA, V
= 1.6mA, V
= 1.6mA, V
= 3.2mA
= –20mV, V
= 20mV, V
= 3.2mA
= 1μA, V
= 1μA, V
OUT
= 1μA
= 3mA
= 1μA, VCC = 0V
A
L
IH
= 25°C. V
= 20pF
= 3.5V
CC
CC
CC
OD
CC
CC
CC
CC
OD
= 5V
The
= 1V
= 5V
= 15mV with 10kΩ
= 4.25V
= 5V
= 5V
= 4.25V
= 15mV
l
CC
denotes the specifi cations which apply over the full operating
= full operating range, V
l
l
l
l
l
l
l
V
V
OUT
OUT
4032
MIN
1.25
960
200
–50
1.2
1.0
3.5
3.5
3.5
3.5
2.0
80
70
BATT
1
1
– 1.50
– 0.05
= 2.8V, unless otherwise noted.
±0.01
TYP
100
100
1.6
1.6
1.3
0.3
25
–8
25
40
20
20
30
35
1
1
4
3
4
3
2
8
3
4097
1025
MAX
2.00
2.25
1.35
120
140
200
±25
0.4
0.4
0.8
0.4
0.8
0.4
25
50
25
35
45
UNITS
Cycles
Clock
mV/V
ms/V
ms/V
0692fa
sec
sec
mV
mA
mA
mA
mA
ms
ms
μA
μA
μA
nA
μA
μA
ns
μs
μs
μs
ns
ns
V
V
V
V
V
V
V
V
V
V
V
V
V
V