74HCT123DB,112 NXP Semiconductors, 74HCT123DB,112 Datasheet - Page 15

• Manufacturer Part Number: 74HCT123DB,112
• Description: IC DUAL RETRIG MULTIVIB 16-SSOP
• Manufacturer: NXP Semiconductors
• Series: 74HCTr

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

NXP Semiconductors
12. Application information
74HC_HCT123
Product data sheet
12.1 Timing component connections
12.2 Power-up considerations
The basic output pulse width is essentially determined by the values of the external timing
components R
When the monostable is powered-up it may produce an output pulse, with a pulse width
defined by the values of R
circuit shown in
Fig 13. Timing component connections
Fig 14. Power-up output pulse elimination circuit
(1) For minimum noise generation it is recommended to ground pins 6 (2CEXT) and 14 (1CEXT)
externally to pin 8 (GND).
EXT
All information provided in this document is subject to legal disclaimers.
Figure
and C
14.
Rev. 6 — 14 March 2011
nA
nB
EXT
nA
nB
EXT
.
and C
1 (9)
2 (10)
Dual retriggerable monostable multivibrator with reset
1 (9)
2 (10)
123
EXT
123
GND
8
8
GND
. This output pulse can be eliminated using the
RESET
(1)
nCEXT
14 (6)
74HC123; 74HCT123
nCEXT
14 (6)
C EXT
C EXT
nRD
3 (11)
nRD
3 (11)
nREXT/CEXT
15 (7)
15 (7)
001aaa854
nREXT/CEXT
R EXT
R EXT
13 (5)
4 (12)
13 (5)
4 (12)
001aaa613
V
CC
V
V
CC
CC
nQ
nQ
nQ
nQ
© NXP B.V. 2011. All rights reserved.
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