74HCT123D NXP Semiconductors, 74HCT123D Datasheet - Page 16

• Manufacturer Part Number: 74HCT123D
• Description: IC, MONO MULTIVIBRATOR, 30NS, SOIC-16
• Manufacturer: NXP Semiconductors

Specifications of 74HCT123D

• Multivibrator Type: Retriggerable Monostable
• Output Current: 4mA
• Logic Case Style: SOIC
• No. Of Pins: 16
• Supply Voltage Range: 4.5V To 5.5V
• Propagation Delay: 30ns
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Philips Semiconductors
[4]
[5]
74HC_HCT123_4
Product data sheet
Fig 7. Typical output pulse width as a function of the
C
P
f
f
D = duty factor in %;
C
V
C
The condition is V
i
o
(1) R
(2) R
(3) R
(4) R
(ns)
D
CC
PD
= input frequency in MHz;
L
EXT
(C
t
= output frequency in MHz;
W
10
10
10
10
10
= output load capacitance in pF;
= C
L
10
is used to determine the dynamic power dissipation (P
= supply voltage in V;
6
5
4
3
2
= timing capacitance in pF;
V
external capacitor value
1
PD
CC
EXT
EXT
EXT
EXT
V
CC
= 5.0 V; T
= 100 k
= 50 k
= 10 k
= 2 k
2
V
CC
f
o
2
) sum of outputs.
10
I
= GND to V
f
i
amb
+ (C
= 25 C.
L
10
V
2
CC
CC
2
1.5 V.
f
o
) + 0.75
10
3
(1)
(2)
(3)
(4)
C
EXT
001aaa611
(pF)
C
EXT
10
Rev. 04 — 16 June 2006
4
V
CC
D
in W).
2
Dual retriggerable monostable multivibrator with reset
f
o
+ D
Fig 8. 74HCT123 typical ‘K’ factor as function of V
'K' factor
16
0.8
0.6
0.4
0.2
0
C
0
X
V
CC
= 10 nF; R
74HC123; 74HCT123
where:
2
X
= 10 k to 100 k
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
4
6
V
001aaa612
CC
(V)
8
16 of 28
CC