SN54AHCT123A, SN74AHCT123A

DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATORS

SCLS420G – JUNE 1998 – REVISED APRIL 2003

9

POST OFFICE BOX 655303

110

102

103

104

105

106

107

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

CT – External Timing Capacitance – pF

RT = 1k Ω

RT = 5k Ω

RT = 10k Ω

RT = 80k Ω

RT = 150k Ω

RT = 200k Ω

VCC = 5 V

TA = 25°C

Figure 5. Output Pulse Duration vs External Timing Capacitance

tw = 866 ns at:

VCC = 5 V,

RT = 10 kΩ

CT = 50 pF

TA = 25°C

–60

–40

–20

0

20

40

60

80

100

120

140

160

VCC = 2.5 V

VCC = 3 V

VCC = 3.5 V

VCC = 4 V

VCC = 5 V

VCC = 6 V

VCC = 7 V

180

–6%

–4%

–2%

0%

2%

4%

6%

8%

10%

12%

14%

Temperature –

°C

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.