74hct5555 NXP Semiconductors, 74hct5555 Datasheet - Page 11

• Manufacturer Part Number: 74hct5555
• Description: Programmable Delay Timer With Oscillator
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Notes
1. One stage selected.
2. It is possible to retrigger directly after the trigger pulse, however the pulse will only be extended, if the time period
3. One stage selected. The termination of the output pulse remains synchronized with respect to the falling edge of the
4. One stage selected. The termination of the output pulse is no longer synchronized with respect to the falling edge of
September 1993
f
f
SYMBOL
max
max
Programmable delay timer with oscillator
exceeds the clock input cycle time divided by 2.
RS clock input.
the RS clock input.
maximum
clock pulse
frequency
maximum
clock pulse
frequency
PARAMETER
2
10
12
6
30
35
MIN
5.9
18
21
24.8
75
89
TYP
25
MAX
T
amb
1.8
8
10
4.8
24
28
MIN
40 to 85
( C)
11
MAX
1.3
6.6
8
4
20
24
MIN
40 to 125
MAX
MHz
MHz
MHz
MHz
MHz
MHz
UNIT
74HC/HCT5555
2.0
4.5
6.0
2.0
4.5
6.0
V
(V)
TEST CONDITION
CC
Product specification
Fig.8; note 3
Fig.9; note 4
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