74HCT123DB NXP Semiconductors, 74HCT123DB Datasheet - Page 11

• Manufacturer Part Number: 74HCT123DB
• Manufacturer: NXP Semiconductors

Specifications of 74HCT123DB

• Logic Family: HCT
• High Level Output Current: -4mA
• Low Level Output Current: 4mA
• Quiescent Current: 8nA
• Number Of Elements: 2
• Operating Temperature Classification: Automotive
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (typ): 5V
• Operating Temperature (min): -40C
• Operating Temperature (max): 125C
• Technology: CMOS
• Abs. Propagation Delay Time: 77ns
• Operating Supply Voltage (min): 4.5V
• Lead Free Status / RoHS Status: Compliant

NXP Semiconductors
74HC_HCT123_5
Product data sheet
Fig 7.
(ns)
t
(1) R
(2) R
(3) R
(4) R
W
10
10
10
10
10
10
6
5
4
3
2
1
V
Typical output pulse width as a function of the
external capacitor value
CC
EXT
EXT
EXT
EXT
= 5.0 V; T
= 100 k
= 50 k
= 10 k
= 2 k
10
amb
= 25 C.
10
2
10
3
(1)
(2)
(3)
(4)
C
EXT
001aaa611
(pF)
10
Rev. 05 — 13 July 2009
4
Dual retriggerable monostable multivibrator with reset
Fig 8.
'K' factor
0.8
0.6
0.4
0.2
0
0
C
T
74HC123 typical ‘K’ factor as function of V
amb
EXT
74HC123; 74HCT123
= 25 C.
= 10 nF; R
2
EXT
= 10 k to 100 k .
4
6
© NXP B.V. 2009. All rights reserved.
V
001aaa612
CC
(V)
8
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CC