Datasheet

SN54AHCT123A, SN74AHCT123A
DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATORS
SCLS420G – JUNE 1998 – REVISED APRIL 2003
9
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
APPLICATION INFORMATION
†
11010
2
10
3
10
4
10
5
10
6
10
7
1.00E+00
1.00E+01
1.00E+02
1.00E+03
1.00E+04
1.00E+05
1.00E+06
1.00E+07
1.00E+08
1.00E+09
C
T
– External Timing Capacitance – pF
Output Pulse Duration – ns
w
R
T
= 1k Ω
R
T
= 5k Ω
R
T
= 10k Ω
R
T
= 80k Ω
R
T
= 150k Ω
R
T
= 200k Ω
V
CC
= 5 V
T
A
= 25°C
t
–
Figure 5. Output Pulse Duration vs External Timing Capacitance
t
w
= 866 ns at:
V
CC
= 5 V,
R
T
= 10 kΩ
C
T
= 50 pF
T
A
= 25°C
–60 –40 –20 0 20 40 60 80 100 120 140 160
V
CC
= 2.5 V
V
CC
= 3 V
V
CC
= 3.5 V
V
CC
= 4 V
V
CC
= 5 V
V
CC
= 6 V
V
CC
= 7 V
180
–6%
–4%
–2%
0%
2%
4%
6%
8%
10%
12%
14%
Temperature – °C
Variation in Output Pulse Duration
Figure 6. Variations in Output Pulse Duration vs Temperature
†
Operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied.