74HCT123D NXP Semiconductors, 74HCT123D Datasheet - Page 14

• Manufacturer Part Number: 74HCT123D
• Description: IC, MONO MULTIVIBRATOR, 30NS, SOIC-16
• Manufacturer: NXP Semiconductors

Specifications of 74HCT123D

• Multivibrator Type: Retriggerable Monostable
• Output Current: 4mA
• Logic Case Style: SOIC
• No. Of Pins: 16
• Supply Voltage Range: 4.5V To 5.5V
• Propagation Delay: 30ns
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Philips Semiconductors
[4]
[5]
Table 9.
Voltages are referenced to GND (ground = 0 V); C
For test circuit see
74HC_HCT123_4
Product data sheet
Symbol
T
t
t
t
t
t
R
C
C
T
t
PHL
PLH
THL
W
rt
PHL
amb
amb
EXT
EXT
PD
, t
C
P
f
f
D = duty factor in %;
C
V
C
The condition is V
i
o
D
CC
PD
= input frequency in MHz;
L
EXT
(C
= 25 C
= 40 C to +85 C
TLH
= output frequency in MHz;
= output load capacitance in pF;
= C
L
is used to determine the dynamic power dissipation (P
= supply voltage in V;
= timing capacitance in pF;
PD
V
Dynamic characteristics 74HCT123
Parameter
propagation delay
propagation delay
output transition time
pulse width
retrigger time nA, nB
external timing resistor
external timing capacitor
power dissipation capacitance
propagation delay
CC
nRD, nA, nB to nQ
nRD (reset) to nQ
nRD, nA, nB to nQ
nRD (reset) to nQ
nA LOW
nB HIGH
nRD LOW
nQ HIGH and nQ LOW
nRD, nA, nB to nQ
nRD (reset) to nQ
2
V
CC
f
o
2
) sum of outputs.
Figure
I
= GND to V
f
i
+ (C
12.
L
V
CC
CC
.
2
f
o
) + 0.75
Conditions
C
C
V
V
see
see
see
V
C
see
V
V
per monostable
C
EXT
EXT
CC
CC
CC
EXT
CC
CC
EXT
V
V
V
V
V
V
V
V
C
C
V
V
C
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
EXT
EXT
Figure 10
Figure 10
Figure 11
Figure 10
EXT
= 4.5 V; see
= 4.5 V
= 5.0 V; see
= 5.0 V; see
= 5.0 V; see
L
= 0 pF; R
= 0 pF; R
= 0 pF; R
= 0 pF; R
Rev. 04 — 16 June 2006
= 50 pF unless otherwise specified.
= 4.5 V
= 5 V; C
= 4.5 V
= 5 V; C
= 4.5 V
= 5 V; C
= 4.5 V
= 5 V; C
= 4.5 V
= 4.5 V
= 100 nF; R
= 0 pF; R
V
CC
D
in W).
2
Dual retriggerable monostable multivibrator with reset
EXT
EXT
L
L
EXT
L
L
EXT
f
= 15 pF
= 15 pF
= 15 pF
= 15 pF
o
EXT
Figure 9
Figure 10
Figure 7
Figure 7
+ D
= 5 k ; V
= 5 k ; see
= 5 k ; see
= 5 k ; see
EXT
= 5 k
16
= 10 k
and
V
CC
CC
74HC123; 74HCT123
Figure 9
Figure 9
Figure 9
= 5.0 V;
11
where:
[2][3]
[4][5]
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
[1]
[3]
Min
-
-
-
-
-
-
-
-
-
20
20
20
-
-
-
2
-
-
-
no limits
Typ
30
26
27
23
28
26
23
23
7
3
5
7
450
75
110
-
56
-
-
Max
51
-
46
-
51
-
46
-
15
-
-
-
-
-
-
1000
-
64
58
14 of 28
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
k
pF
pF
ns
ns
s