ne56604-42d NXP Semiconductors, ne56604-42d Datasheet - Page 14

• Manufacturer Part Number: ne56604-42d
• Description: System Reset With Built-in Watchdog Timer
• Manufacturer: NXP Semiconductors

1. t
2. t
3. t
Philips Semiconductors
Table 2. Switch and power supply settings, AC parameters
NOTES:
2003 Oct 15
V
detection (Note 1)
Clock input pulse width
(Note 2)
Clock input cycle
(Note 3)
Watchdog monitoring
time
Watchdog reset time
Power-on reset delay
time
RESET, RESET
propagation delay time
RESET, RESET rise time
RESET, RESET fall time
System reset with built-in Watchdog timer
CC
1
2
3
0.1 F
= 8.0 s.
= 3.0 s.
= 20 s.
100 pF
pulse width for
CRT
Parameter
Figure 27. Test Circuit 2 (AC parameters).
1
CRT
CRT
R
2.2 k
CRT
RESET
2
C
8
1
T
20pF
RESET
V
7
2
S
Symbol
R
10 k
t
t
t
CLKW
t
WDM
t
t
WDR
t
V
t
CLK
PD1
PD2
t
t
R
t
t
CLK
PR
R1
R2
P1
F1
F2
CC
CT
6
3
CRT
CRT
GND
V
5
CC
4
3
B to A
V
S
C
A
A
A
A
C
C
A
A
A
A
CLK
1
A
B
A
S
C
2
B
S
S
C
C
C
A
A
A
B
B
A
A
A
A
1
C
2
V
CLKA
V
CCA
SL01285
5.0 V
4.0 V
CRT
5.0 V
4.0 V
5.0 V
4.0 V
CRT
V
4
CCA
–
–
–
–
–
–
–
–
–
t
14
1
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
V
CC
–
–
–
1.4 V
1.4 V
1.4 V
0 V
0 V
0 V
t
t
t
2
2
2
V
CLKA
–
–
–
–
–
–
–
–
–
t
t
3
3
t
2
NE56604-42
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
CLK
–
–
–
Product data
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
CRT
1, 2
2, 3
1
3
1
3