ne56604-42d NXP Semiconductors, ne56604-42d Datasheet - Page 13
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ne56604-42d
Manufacturer Part Number
ne56604-42d
Description
System Reset With Built-in Watchdog Timer
Manufacturer
NXP Semiconductors
Datasheet
1.NE56604-42D.pdf
(17 pages)
1. Decrease V
2. Increase V
3. Increase the Clock voltage (V
4. Measured with V
5. Increase V
6. Increase V
Philips Semiconductors
Parametric testing
DC and AC Characteristics can be tested using the circuits shown in
Figures 26 and 27. Associated switch and power supply settings are
shown in Table 1 and Table 2, respectively.
Table 1. DC characteristics Test Circuit 1 switch and power supply settings
NOTES:
2003 Oct 15
Power supply current
Reset threshold (LOW) (Note 1)
Reset threshold (HIGH) (Note 2)
Clock input threshold (Note 3)
Clock input current (HIGH)
Clock input current (LOW)
Reset output voltage (HIGH)
Reset output voltage (LOW)
Reset output sink current
(N t 4)
(Note 4)
C
C
Minimum power supply for
RESET (Note 5)
Minimum power supply for
RESET (Note 6)
T
T
System reset with built-in Watchdog timer
A B C
will initially track the V
charge current 1
charge current 2
S
V
1
O0
Parameter
CRT
Figure 26. Test Circuit 1 (DC parameters).
S
CC
CC
CC
2
V
CRT
CC
V
1.0 M
O1
from 4.0 V to 5.0 V and note the V
from 0 V to 2.0 V and note the V
from 0 V to 2.0 V and note the V
1
V
from 5.0 V to 4.0 V and note the V
CT
O0
A
R
I
RESET
S
= 1.0 V.
I
3
A
O1
CC
B
1000 pF
S
RESET
4
C
voltage increase until the internal circuit bias becomes active, at which time the V
C
I
A
RESET
8
1
T
I
CT
Symbol
CLK
V
V
V
V
V
V
V
V
RESET CLK
V
V
I
I
I
I
V
I
I
CCL1
CCL2
I
OL1
OL2
CT1
CT2
OH1
OH2
V
CC
TH
OL1
OL2
OL3
OL4
TL
SH
TH
SL
A
) from 0 V to 3.0 V and observe the value of V
7
S
2
I
O2
CRT
R
CRT
A
6
CT
3
S
B
B
B
B
B
B
B
B
B
B
B
B
C
A
B
B
B
B
I
1
CLK
V
2
V
GND
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
V
O2
ON
ON
ON
ON
ON
S
CC
4
5
CC
CC
2
CC
CC
value when V
value when V
S
V
S
5
CLK
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
ON
ON
6
value when V
S
A
value when V
3
I
V
CC
SL01284
S
CC
7
S
B
B
B
B
B
B
B
C
B
B
C
C
B
B
B
B
B
A
0.1 F
4
OFF
OFF
OFF
OFF
OFF
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
S
O1
O2
5
O1
O1
(observed on CRT
(observed on CRT
13
(observed on CRT
OFF
OFF
(observed on CRT
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
S
6
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
S
7
CLK
5.0 to 4.0 V
4.0 to 5.0 V
0 to 2.0 V
0 to 2.0 V
5.0 V
5.0 V
5.0 V
5.0 V
5.0 V
5.0 V
5.0 V
5.0 V
5.0 V
5.0 V
5.0 V
5.0 V
5.0 V
5.0 V
when I
V
1
2
CC
) transitions to an abrupt LOW state. The V
) starts to track the V
1
1
) transitions to an abrupt HIGH state.
) transitions to an abrupt LOW state.
CLK
0 to 3.0 V
transitions to an abrupt increase.
V
5.0 V
3.0 V
3.0 V
5.0 V
5.0 V
5.0 V
5.0 V
5.0 V
5.0 V
5.0 V
5.0 V
5.0 V
0 V
0 V
0 V
CLK
–
–
3.0 V
3.0 V
1.0 V
3.0 V
3.0 V
3.0 V
3.0 V
3.0 V
3.0 V
3.0 V
3.0 V
1.0 V
1.0 V
V
0 V
0 V
0 V
0 V
0 V
O1
CT
CC
value will return to a LOW state.
voltage.
I
–5.0 A
3.0 mA
RESET
10 mA
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
NE56604-42
I
–5.0 A
0.5 mA
RESET
1 mA
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Product data
O1
V
V
V
V
O1
O1
Read
O1
O2
value
I
I
I
V
V
V
V
V
V
I
, CRT
, CRT
CLK
CLK
CLK
I
I
I
I
CC
O1
O2
CT
CT
, V
, V
O1
O2
O1
O1
O2
O2
CC
CC
1
1