PCF1252-0 Philips Semiconductors, PCF1252-0 Datasheet - Page 5

• Manufacturer Part Number: PCF1252-0
• Description: Threshold detector and reset generator
• Manufacturer: Philips Semiconductors

Philips Semiconductors
Notes
1. Long time stability of COMIN switch point V
2. Values given per degree Kelvin; tested on a sample basis.
3. Conformance to these specifications is only guaranteed if the slew rate of V
1998 Apr 16
COMIN
V
SELECT
V
V
SELECT and COMIN
I
I
POWF, RESET and COMOUT
I
I
t
t
t
C
SYMBOL
LI
LI
O
O
R
S
R
V
SP
IL
IH
int
Threshold detector and reset generator
/t
SP
S
at V
drift for V
DD(max)
COMIN switch point
COMIN switch point temperature
coefficient
LOW level input voltage
HIGH level input voltage
LOW level leakage input current
HIGH level leakage input current
output sink current
output source current
reset time
save time
reset to save time ratio
CT internal capacitance
TRIP
and an average operating temperature of 55 C the drift of V
will not exceed ( V
PARAMETER
TRIP(typ)
/V
SP(typ)
SP
T
note 2
V
V
see Fig.6
V
V
see Fig.7
C
C
amb
O
DD
O
DD
CT
CT
and voltage trip point V
) 10 mV.
= 0.4 V;
= 2.0 V;
CONDITIONS
= 2.4 V;
= 2.4 V;
= 1 nF; note 3
= 1 nF; note 3
= 25 C; note 1
5
1.28
0.7V
1
400
40
0.75
TRIP
MIN.
SP
DD
: within 10 years of continuous operation
will not exceed 10 mV. The maximum
DD
is less than 25 V/ms.
1.30
3
1000
100
10
100
0.1
2
TYP.
PCF1252-X family
1.32
0.3V
1.0
2000
200
Product specification
0.5
1.0
MAX.
DD
V
mV/K
V
V
mA
mA
pF
UNIT
A
A
s
s