74HC423BQ,115 NXP Semiconductors, 74HC423BQ,115 Datasheet - Page 15
74HC423BQ,115
Manufacturer Part Number
74HC423BQ,115
Description
IC DUAL RETRIG MULTIVIB 16DHVQFN
Manufacturer
NXP Semiconductors
Series
74HCr
Datasheet
1.74HCT423DB112.pdf
(24 pages)
Specifications of 74HC423BQ,115
Logic Type
Monostable
Independent Circuits
2
Schmitt Trigger Input
Yes
Propagation Delay
20ns
Current - Output High, Low
5.2mA, 5.2mA
Voltage - Supply
2 V ~ 6 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
16-VQFN Exposed Pad, 16-HVQFN, 16-SQFN, 16-DHVQFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
74HC423BQ-G
74HC423BQ-G
935285428115
74HC423BQ-G
935285428115
NXP Semiconductors
74HC_HCT423
Product data sheet
Fig 14. Power-up output pulse elimination circuit
Fig 15. Power-down protection circuit
12.3 Power-down considerations
A large capacitor C
the capacitor’s stored energy. When a system containing this device is powered-down or a
rapid decrease of V
capacitor discharging through the input protection diodes. To avoid this possibility, use a
damping diode D
large current surges and connect as shown in
nA
nB
nA
nB
All information provided in this document is subject to legal disclaimers.
EXT
1 (9)
2 (10)
EXT
1 (9)
2 (10)
CC
preferably a germanium or Schottky type diode able to withstand
to zero occurs, the monostable may sustain damage, due to the
may cause problems when powering-down the monostable due to
423
Rev. 4 — 18 March 2011
423
GND
8
GND
8
RESET
Dual retriggerable monostable multivibrator with reset
nCEXT
14 (6)
nCEXT
14 (6)
C EXT
nRD
C EXT
3 (11)
nRD
3 (11)
15 (7)
nREXT/CEXT
001aah919
15 (7)
nREXT/CEXT
D EXT
R EXT
13 (5)
4 (12)
R EXT
13 (5)
4 (12)
001aah918
74HC423; 74HCT423
Figure
V
CC
V
CC
nQ
nQ
nQ
nQ
V
CC
15.
© NXP B.V. 2011. All rights reserved.
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