74HCT5555D,118 NXP Semiconductors, 74HCT5555D,118 Datasheet - Page 6
![IC PROG DELAY TIMER W/OSC 16SOIC](/photos/6/52/65286/16-soic_sot109-1_sml.jpg)
74HCT5555D,118
Manufacturer Part Number
74HCT5555D,118
Description
IC PROG DELAY TIMER W/OSC 16SOIC
Manufacturer
NXP Semiconductors
Type
Timer/Oscillator, Singler
Series
74HCTr
Datasheet
1.74HCT5555D112.pdf
(23 pages)
Specifications of 74HCT5555D,118
Package / Case
16-SOIC (3.9mm Width)
Frequency
75MHz
Voltage - Supply
2 V ~ 6 V
Operating Temperature
-40°C ~ 125°C
Number Of Internal Timers
1
Supply Voltage (max)
5.5 V
Supply Voltage (min)
4.5 V
Maximum Operating Temperature
+ 125 C
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Propagation Delay (max)
48 ns @ 4.5 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Count
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
74HCT5555D-T
74HCT5555D-T
933998610118
74HCT5555D-T
933998610118
Philips Semiconductors
TEST MODE
Set S
S
pulses, this sets all flip-flop stages to a logic HIGH level. Set S
2
HIGH-to-LOW level. This method of testing the delay counter is faster than clocking in 2
FUNCTION TABLE
Notes
1. H = HIGH voltage level
September 1993
24
1
Programmable delay timer with oscillator
and S
. Clock one more pulse into the RS input, this causes a logic 0 to ripple through the counter and output Q/Q goes from
L = LOW voltage level
X = don't care
3
= HIGH-to-LOW transition.
= LOW-to-HIGH transition
to a logic LOW level, this will divide the 24 stage counter into three, parallel clocking, 8-stage counters. Set S
2
MR
to a logic HIGH level, this programs the counter to divide-by 2
H
L
L
INPUTS
A
X
X
B
X
X
6
3
to a logic HIGH level, this causes the counter to divide-by
8
(256). Apply a trigger pulse and clock in 255
one HIGH level
one HIGH level
output pulse
output pulse
Q
L
24
OUTPUTS
(16 777 216) clock pulses.
74HC/HCT5555
Product specification
one LOW level
one LOW level
output pulse
output pulse
Q
H
0
,