74HC5555D View Datasheet(PDF) - NXP Semiconductors.
Part Name
Description
Manufacturer
74HC5555D Datasheet PDF : 23 Pages
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Philips Semiconductors
Programmable delay timer with oscillator
Product specification
74HC/HCT5555
SYMBOL PARAMETER
Tamb (°C)
+25
−40 to +85
MIN TYP MAX MIN MAX
−0 to +125 UNIT VCC
MIN MAX
(V)
TEST CONDITION
VI
OTHER
VOH
HIGH level
3.98 − −
3.84 −
3.7 −
V
output
voltage RTC
output
3.98 − −
3.84 −
3.7 −
V
4.4 4.5 −
4.4 −
4.4 −
V
4.4 4.5 −
4.4 −
4.4 −
V
HIGH level
VOH
output
voltage CTC
3.98 −
−
3.84 −
3.7 −
V
output
LOW level
− − 0.26 − 0.33 −
VOL
output
voltage RTC
output
− 0 0.1 − 0.1 −
0.4 V
0.1 V
LOW level
VOL
output
voltage CTC
−
−
0.26 −
0.33 −
output
0.4 V
4.5 RS = GND; Io = −2.6 mA
OSC CON
= VCC
4.5 RS = VCC; Io =
OSC CON −0.65 mA
= GND;
untriggered
4.5 RS = VCC; Io = −20 µA
OSC CON
= VCC
4.5 RS = VCC; Io = −20 µA
OSC CON
= GND;
untriggered
RS = VIH;
4.5 OSC CON Io = −3.2 mA
= VIH
RS = VCC;
4.5 OSC CON Io = 2.6 mA
= VCC
RS = VCC;
4.5 OSC CON Io = 20 µA
= VCC
RS = VIL;
4.5
OSC CON
= VIL;
Io = 3.2 mA
untriggered
Notes
1. The RS input has CMOS input switching levels.
2. The value of additional quiescent supply current (∆ICC) for a unit load of 1 is given in the family specifications. To
determine ∆ICC per input, multiply this value by the unit load coefficient shown in the following table.
UNIT LOAD COEFFICIENT
INPUT
MR
A
B
RTR/RTR
OSC CON
S0 - S2
S3
September 1993
UNIT LOAD COEFFICIENT
0.35
0.69
0.50
0.35
1.20
0.65
0.40
13
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