Datasheet

September 1993 12
Philips Semiconductors Product specification
Programmable delay timer with oscillator 74HC/HCT5555
DC CHARACTERISTICS FOR 74HCT
For the DC characteristics see
“74HC/HCT/HCU/HCMOS Logic Family Specifications” .
Output capability: non-standard; bus driver with extended specification on V
OH
and V
OL
I
CC
category: MSI.
SYMBOL PARAMETER
T
amb
(°C)
UNIT
TEST CONDITION
+25 −40 to +85 −0to+125
V
CC
(V)
V
I
OTHER
MIN TYP MAX MIN MAX MIN MAX
V
OH
HIGH level
output voltage
Q and Q
outputs
4.4 4.5 − 4.4 − 4.4 − V 4.5 I
o
= −20 µA
V
OH
HIGH level
output voltage
Q and Q
outputs
3.98 4.32 − 3.84 − 3.7 − V 4.5 I
o
= −6 mA
V
OH
HIGH level
output voltage
Q and Q
outputs
3.3 −− 3− 2.7 − V 4.5 I
o
= −20 mA
V
OL
LOW level
output voltage
Q and Q
outputs
− 0 0.1 − 0.1 − 0.1 V 4.5 I
o
= 20 µA
V
OL
LOW level
output voltage
Q and Q
outputs
− 0.15 0.26 − 0.33 − 0.40 V 4.5 I
o
= 6 mA
V
OL
LOW level
output voltage
Q and Q
outputs
−−0.9 − 1.14 − 1.34 V 4.5 − I
o
= 20 mA