74HCT5555D,118 NXP Semiconductors, 74HCT5555D,118 Datasheet - Page 6

• Manufacturer Part Number: 74HCT5555D,118
• Description: IC PROG DELAY TIMER W/OSC 16SOIC
• Manufacturer: NXP Semiconductors
• Type: Timer/Oscillator, Singler
• Series: 74HCTr

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

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
,