74hct5555 NXP Semiconductors, 74hct5555 Datasheet - Page 3

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

Philips Semiconductors
PINNING
September 1993
handbook, halfpage
RS
R
C
A
B
RTR/RTR
Q
GND
Q
S
OSC CON
MR
V
SYMBOL
0
CC
Programmable delay timer with oscillator
TC
TC
S
3
15
10
11
12
13
14
2
3
1
6
4
5
10, 11,
12, 13
Fig.2 IEC logic diagram.
PIN
17
RX
CX
16G17
R
14
15
16
1
2
4
8
1
2
3
4
5
6
7
8
9
I = 0
! G
X / Y
&
1
clock input/oscillator pin
external resistor connection
external capacitor connection
trigger input (positive-edge
triggered)
trigger input (negative-edge
triggered)
retriggerable/non-retriggerable
input (active HIGH/active LOW)
pulse output (active LOW)
ground (0 V)
pulse output (active HIGH)
programmable input
oscillator control
master reset input (active
HIGH)
positive supply voltage
15
R
S
0
Y = 0
Y = 15
CT = 0
+
CT = m
CTRDIVm
DESCRIPTION
[T]
MGA643
V16
R
9
7
3
handbook, halfpage
RTR/
RTR
GND
R TC
C TC
RS
Fig.1 Pin configuration.
Q
A
B
1
2
3
4
5
6
7
8
5555
MGA642
74HC/HCT5555
15
14
13
12
10
16
11
9
Product specification
MR
CON
S 3
S
S
S
Q
OSC
V CC
2
1
0