SN74LS123NG ON Semiconductor, SN74LS123NG Datasheet - Page 2

• Manufacturer Part Number: SN74LS123NG
• Manufacturer: ON Semiconductor

Specifications of SN74LS123NG

• Logic Family: LS
• High Level Output Current: -400uA
• Low Level Output Current: 8mA
• Number Of Elements: 2
• Operating Temperature Classification: Commercial
• Operating Supply Voltage (max): 5.25V
• Operating Supply Voltage (typ): 5V
• Operating Temperature (min): 0C
• Operating Temperature (max): 70C
• Technology: Bipolar
• Abs. Propagation Delay Time: 56ns
• Operating Supply Voltage (min): 4.75V
• Lead Free Status / RoHS Status: Compliant

NOTES:
1. An external timing capacitor may be connected between C
2. To use the internal timing resistor of the LS122, connect R
3. For improved pulse width accuracy connect an external resistor between R
4. To obtain variable pulse widths, connect an external variable resistance between R
NC
V
16
1A
1
CC
V
14
A1
1
CC
NO INTERNAL CONNECTION.
1 R
C
1B
15
2
ext
ext/
R
C
SN74LS123 (TOP VIEW)
SN74LS122 (TOP VIEW)
(SEE NOTES 1 THRU 4)
(SEE NOTES 1 THRU 4)
ext/
13
A2
ext
2
http://onsemi.com
C
CLR
CLR
14
1
3
ext
1
NC
12
B1
3
Q
Q
1Q
1Q
13
4
C
2
11
B2
4
ext
2Q
12
2Q
5
int
ext
CLR
CLR Q
to V
NC
10
and R
5
Q
Q
R
CLR
C
CC
11
CLR
int
2
6
2
ext
Q
.
ext
R
9
6
Q
int
/C
ext
R
2B
C
10
7
2
ext/
ext
ext
(positive).
GND
Q
8
7
/C
GND
ext
2A
9
8
and V
int
/C
ext
CC
and V
with R
CC
int
.
open-circuited.