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74LV123DB(2007) View Datasheet(PDF) - NXP Semiconductors.

Part Name
Description
View to exact match
74LV123DB
(Rev.:2007)
NXP
NXP Semiconductors. NXP
74LV123DB Datasheet PDF : 23 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
NXP Semiconductors
74LV123
Dual retriggerable monostable multivibrator with reset
5. Pinning information
5.1 Pinning
74LV123
1A 1
1B 2
1RD 3
1Q 4
2Q 5
2CEXT 6
2REXT/CEXT 7
GND 8
74LV123
16 VCC
15 1REXT/CEXT
14 1CEXT
13 1Q
12 2Q
11 2RD
10 2B
9 2A
001aag678
terminal 1
index area
1B 2
1RD 3
1Q 4
2Q 5
2CEXT 6
2REXT/CEXT 7
VCC(1)
15 1REXT/CEXT
14 1CEXT
13 1Q
12 2Q
11 2RD
10 2B
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Transparent top view
Fig 5. Pin configuration for DIP16, SO16,
SSOP16 and TSSOP16
(1) The die substrate is attached to this
pad using conductive die attach
material. It cannot be used as a
supply pin or input.
Fig 6. Pin configuration for DHVQFN16
5.2 Pin description
Table 2. Pin description
Symbol
Pin
1A
1
1B
2
1RD
3
1Q
4
2Q
5
2CEXT
6
2REXT/CEXT 7
GND
8
2A
9
2B
10
2RD
11
2Q
12
1Q
13
1CEXT
14
1REXT/CEXT 15
VCC
16
Description
negative-edge triggered input 1
positive-edge triggered input 1
direct reset LOW and positive-edge triggered input 1
active LOW output 1
active HIGH output 2
external capacitor connection 2
external resistor and capacitor connection 2
ground (0 V)
negative-edge triggered input 2
positive-edge triggered input 2
direct reset LOW and positive-edge triggered input 2
active LOW output 2
active HIGH output 1
external capacitor connection 1
external resistor and capacitor connection 1
supply voltage
74LV123_5
Product data sheet
Rev. 05 — 8 November 2007
© NXP B.V. 2007. All rights reserved.
5 of 23
 

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