74HCT123DB,112 NXP Semiconductors, 74HCT123DB,112 Datasheet - Page 16
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74HCT123DB,112
Manufacturer Part Number
74HCT123DB,112
Description
IC DUAL RETRIG MULTIVIB 16-SSOP
Manufacturer
NXP Semiconductors
Series
74HCTr
Datasheet
1.74HC123N652.pdf
(25 pages)
Specifications of 74HCT123DB,112
Logic Type
Monostable
Package / Case
16-SSOP
Independent Circuits
2
Schmitt Trigger Input
No
Propagation Delay
77ns
Current - Output High, Low
5.2mA, 5.2mA
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Elements Per Chip
2
Logic Family
HCT
Input Bias Current (max)
0.008 mA
Propagation Delay Time
51 ns
High Level Output Current
- 4 mA
Low Level Output Current
4 mA
Supply Voltage (max)
5.5 V
Supply Voltage (min)
4.5 V
Maximum Operating Temperature
+ 125 C
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Operating Supply Voltage
5 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
568-2772-5
935186840112
935186840112
NXP Semiconductors
74HC_HCT123
Product data sheet
12.3 Power-down considerations
A large capacitor C
the energy stored in this capacitor. When a system containing this device is
powered-down or a rapid decrease of V
damage, due to the capacitor discharging through the input protection diodes. To avoid
this possibility, use a damping diode (D
diode able to withstand large current surges and connect as shown in
Fig 15. Power-down protection circuit
All information provided in this document is subject to legal disclaimers.
EXT
nA
nB
may cause problems when powering-down the monostable due to
Rev. 6 — 14 March 2011
1 (9)
2 (10)
Dual retriggerable monostable multivibrator with reset
123
GND
8
EXT
CC
) preferably a germanium or Schottky type
to zero occurs, the monostable may sustain
nCEXT
14 (6)
74HC123; 74HCT123
C EXT
nRD
3 (11)
15 (7)
nREXT/CEXT
001aaa614
D EXT
R EXT
13 (5)
4 (12)
nQ
nQ
V
CC
Figure
© NXP B.V. 2011. All rights reserved.
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