PCF1252 查看數據表（PDF） - Philips Electronics
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PCF1252 Datasheet PDF : 16 Pages
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Philips Semiconductors
Threshold detector and reset generator
Product specification
PCF1252-X family
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL
VDD
VI
II
PARAMETER
supply voltage
input voltage
DC clamp-diode current
IO
Ptot
Tstg
Tamb
output current
total power dissipation
storage temperature
operating ambient temperature
CONDITIONS
all pins: VI < −0.5 V
or VI > VDD + 0.5 V
MIN.
−0.5
−0.5
−
−
−
−65
−40
MAX.
+7.0
VDD + 0.5
20
20
150
+100
+85
UNIT
V
V
mA
mA
mW
°C
°C
HANDLING
Inputs and outputs are protected against electrostatic discharge in normal handling. However, to be totally safe, it is
desirable to take normal handling precautions appropriate to handling MOS devices (see “Handling MOS Devices”).
CHARACTERISTICS
VDD = 2.4 to 6.0 V; VSS = 0 V; Tamb = −40 to +85 °C; (see Fig.3); unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX. UNIT
VDD
VTRIP
IDD
supply voltage
Voltage trip-point:
PCF1252-0
PCF1252-1
PCF1252-2
PCF1252-3
PCF1252-4
PCF1252-5
PCF1252-6
PCF1252-7
PCF1252-8
PCF1252-9
supply current
∆VTRIP
Vhys
voltage trip-point temperature
coefficient
voltage trip-point hysteresis
Tamb = 25 °C; note 1
Tamb = 25 °C;
VDD = VTRIP + 0.5 V;
COMIN = VDD;
see Figs. 4 and 5
note 2
2.4
4.70
4.50
4.20
4.00
3.70
3.50
3.20
3.00
2.70
2.50
−
−
15
−
6.0
V
4.75
4.80
V
4.55
4.60
V
4.25
4.30
V
4.05
4.10
V
3.75
3.80
V
3.55
3.60
V
3.25
3.30
V
3.05
3.10
V
2.75
2.80
V
2.55
2.60
V
10
15
µA
±100 × 10−6 ±400 × 10−6 mV/K
30
50
mV
1998 Apr 16
4
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