74HC123D,652 Philips Semiconductors, 74HC123D,652 Datasheet - Page 12

• Manufacturer Part Number: 74HC123D,652
• Description: MILTIVIBRATOR; SO-16; IEC LOGIC; 7 V (MAX.); -40; +125; 1000 NS (MAX.) TR
• Manufacturer: Philips Semiconductors

Specifications of 74HC123D,652

• Circuit Type: High Speed, Low-Power Schottky, Silicon Gate
• Current, Leakage, Input: ±0.1 μA (Max.)
• Current, Quiescent Supply: 8.0 uA (Max.)
• Current, Supply: 160 μA
• Function Type: 3-Inputs
• Input Fall Time: 1000 ns (Max.)
• Input Rise Time: 1000 ns (Max.)
• Logic Function: Multivibrator
• Logic Type: CMOS
• Number Of Circuits: Dual
• Package Type: SO-16
• Power Dissipation: 500 mW (Max.)
• Special Features: Monostable, Retriggerable, Schmitt-Trigger
• Temperature, Operating, Maximum: 125 °C
• Temperature, Operating, Minimum: -40 °C
• Temperature, Operating, Range: -40 to +125 °C
• Voltage, Dc Input: 1.2 V (Typ.) @ 25 °C
• Voltage, Dc Output: 2.0 V (Typ.) @ 25 °C
• Voltage, Supply: 5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

Philips Semiconductors
[4]
[5]
74HC_HCT123_4
Product data sheet
Fig 7. Typical output pulse width as a function of the
C
P
f
f
D = duty factor in %;
C
V
C
The condition is V
i
o
(1) R
(2) R
(3) R
(4) R
(ns)
D
CC
PD
= input frequency in MHz;
L
EXT
(C
t
= output frequency in MHz;
W
10
10
10
10
10
= output load capacitance in pF;
= C
L
10
is used to determine the dynamic power dissipation (P
= supply voltage in V;
6
5
4
3
2
= timing capacitance in pF;
V
external capacitor value
1
PD
CC
EXT
EXT
EXT
EXT
V
CC
= 5.0 V; T
= 100 k
= 50 k
= 10 k
= 2 k
2
V
CC
f
o
2
) sum of outputs.
10
I
= GND to V
f
i
amb
+ (C
= 25 C.
L
10
V
2
CC
CC
2
1.5 V.
f
o
) + 0.75
10
3
(1)
(2)
(3)
(4)
C
EXT
001aaa611
(pF)
C
EXT
10
4
V
CC
D
in W).
2
Dual retriggerable monostable multivibrator with reset
f
o
+ D
Fig 8. 74HCT123 typical ‘K’ factor as function of V
'K' factor
16
0.8
0.6
0.4
0.2
0
C
0
X
V
CC
= 10 nF; R
74HC123; 74HCT123
where:
2
X
= 10 k to 100 k
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
4
6
V
001aaa612
CC
(V)
8
16 of 28
CC