ne56604-42d NXP Semiconductors, ne56604-42d Datasheet - Page 3

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

Philips Semiconductors
ORDERING INFORMATION
Part number marking
The package is marked with a four letter code in the first line to the
right of the logo. The first three letters designate the product. The
fourth letter, represented by ‘x’, is a date tracking code. The
remaining two or three lines of characters are internal manufacturing
codes.
PIN DESCRIPTION
2003 Oct 15
TYPE NUMBER
TYPE NUMBER
NE56604-42D
Part number
NE56604-42
System reset with built-in Watchdog timer
PIN
1
2
3
4
5
6
7
8
C
RESET
CLK
GND
V
R
V
RESET
T
CC
CT
S
SYMBOL
PACKAGE
NAME
SO8
t
t
Diagram) for definition of t
Reset HIGH output pin.
Clock input pin from logic system for Watchdog timer.
Circuit ground.
Power supply pin for circuit.
Watchdog timer control and program pin.
Serves to ENABLE the Watchdog function when connected to pull-up resistor (R
the Watchdog when connected to ground. Used in conjunction with C
Detection threshold adjustment pin.
The detection threshold can be increased by connecting this pin to V
threshold can be decreased by connecting this pin to ground with a pull-down resistor.
Reset LOW output pin.
WDM
WDM
DESCRIPTION
plastic small outline package; 8 leads; body width 3.9 mm
Marking
A A D x
, t
, t
WDR
WDR
, t
, t
PR
PR
adjustment pin.
times are dependent on the value of external C
WDM
, t
WDR
, t
3
PR
PIN CONFIGURATION
times.
DESCRIPTION
RESET
Figure 2. Pin configuration.
GND
CLK
C
T
T
capacitor used. See Figure 20 (Timing
1
2
3
4
CC
T
pin to program t
TOP VIEW
with a pull-up resistor. The detection
SO8
VERSION
SOP005
SL01280
CT
) to V
8
7
6
5
NE56604-42
RESET
V
R
V
WDM
S
CT
CC
CC
TEMPERATURE
RANGE
–20 to +70 C
, and DISABLE
time.
Product data