74HCT123-Q100 查看數據表（PDF） - NXP Semiconductors.
零件编号
产品描述 (功能)
生产厂家
74HCT123-Q100 Datasheet PDF : 23 Pages
| |||
NXP Semiconductors
74HC123-Q100; 74HCT123-Q100
Dual retriggerable monostable multivibrator with reset
Table 7. Dynamic characteristics …continued
Voltages are referenced to GND (ground = 0 V); CL = 50 pF unless otherwise specified; for test circuit see Figure 12.
Symbol Parameter Conditions
25 C
40 C to +85 C 40 C to +125 C Unit
Min Typ Max Min Max Min Max
trtrig
retrigger
nA, nB; CEXT = 0 pF; REXT = [3][4] - 110 -
-
-
-
- ns
time
5 k; VCC = 5.0 V;
see Figure 10
REXT
external see Figure 7
resistance
VCC = 2.0 V
10 - 1000 -
-
-
- k
VCC = 5.0 V
2 - 1000 -
-
-
- k
CEXT external
VCC = 5.0 V; see Figure 7
[4] -
-
-
-
-
-
- pF
capacitance
CPD
power
per monostable; VI = GND
[5] -
54
-
-
-
-
- pF
dissipation to VCC
capacitance
74HCT123-Q100
tPHL
HIGH to
nRD, nA, nB to nQ or nQ;
LOW
CEXT = 0 pF; REXT = 5 k;
propagation see Figure 9
delay
VCC = 4.5 V
VCC = 5 V; CL = 15 pF
nRD (reset) to nQ or nQ;
CEXT = 0 pF; REXT = 5 k;
see Figure 9
- 30 51
-
64
-
77 ns
- 26 -
-
-
-
- ns
VCC = 4.5 V
VCC = 5 V; CL = 15 pF
tPLH
LOW to
nRD, nA, nB to nQ or nQ;
HIGH
CEXT = 0 pF; REXT = 5 k;
propagation see Figure 9
delay
VCC = 4.5 V
VCC = 5 V; CL = 15 pF
nRD (reset) to nQ or nQ;
CEXT = 0 pF; REXT = 5 k;
see Figure 9
- 27 46
-
58
-
69 ns
- 23 -
-
-
-
- ns
- 28 51
-
64
-
77 ns
- 26 -
-
-
-
- ns
VCC = 4.5 V
- 23 46
-
58
-
69 ns
VCC = 5 V; CL = 15 pF
- 23 -
-
-
-
- ns
tt
transition VCC = 4.5 V; see Figure 9
[1] -
7 15
-
19
-
22 ns
time
tW
pulse width VCC = 4.5 V
nA LOW; see Figure 10
20 3 -
25
-
30
- ns
nB HIGH; see Figure 10
20 5 -
25
-
30
- ns
nRD LOW; see Figure 11
20 7 -
25
-
30
- ns
nQ HIGH and nQ LOW;
[2]
VCC = 5.0 V; see Figure 10
and Figure 11
CEXT = 100 nF; REXT = 10
k
- 450 -
-
-
-
- s
CEXT = 0 pF; REXT = 5 k
- 75 -
-
-
-
- ns
74HC_HCT123_Q100
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 1 — 1 August 2012
© NXP B.V. 2012. All rights reserved.
9 of 23
Share Link: 