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零件编号 | 74AHC123A | ||
描述 | Dual retriggerable monostable multivibrator with reset | ||
制造商 | NXP Semiconductors | ||
LOGO | |||
1 Page
INTEGRATED CIRCUITS
DATA SHEET
74AHC123A; 74AHCT123A
Dual retriggerable monostable
multivibrator with reset
Product specification
File under Integrated Circuits, IC06
2000 Mar 15
Philips Semiconductors
Dual retriggerable monostable multivibrator
with reset
Product specification
74AHC123A;
74AHCT123A
handbook, halfpage
VCC
REXT
CEXT
to nCEXT
(pin 14 or 6)
to nREXT/CEXT
(pin 15 or 7)
MNA519
Fig.6 Timing component connections.
RECOMMENDED OPERATING CONDITIONS
SYMBOL
VCC
VI
VO
Tamb
tr, tf
REXT
CEXT
PARAMETER
DC supply voltage
input voltage
output voltage
operating ambient
temperature
input rise and fall
time ratios
external timing
resistor
external timing
capacitor
CONDITIONS
see DC and AC
characteristics per device
VCC = 3.3 ±0.3 V
VCC = 5 ±0.5 V
VCC = 2 V
VCC > 3 V
74AHC
74AHCT
UNIT
MIN. TYP. MAX. MIN. TYP. MAX.
2.0 5.0 5.5 4.5 5.0 5.5 V
0 − 5.5 0 − 5.5 V
0 − VCC 0 − VCC V
−40 +25 +85 −40 +25 +85 °C
−40 +25 +125 −40 +25 +125 °C
− − 100 − − − ns/V
− − 20 − − 20 ns/V
5 − − 5 − − kΩ
1 − − 1 − − kΩ
no limits
pF
2000 Mar 15
8
Philips Semiconductors
Dual retriggerable monostable multivibrator
with reset
Product specification
74AHC123A;
74AHCT123A
SYMBOL PARAMETER
TEST CONDITIONS
WAVEFORMS
CL
Tamb (°C)
25 −40 to +85 −40 to +125 UNIT
MIN. TYP. MAX. MIN. MAX. MIN. MAX.
VCC = 4.5 to 5.5 V; note 1
trt retrigger time;
nA to nB
CEXT = 100 pF;
REXT = 1 kΩ; see
Figs 8, 9 and 10
CEXT = 0.01 µF;
REXT = 1 kΩ; see
Figs 8, 9 and 10
50 pF −
−
60 −
1.5 −
−−
−−
−−
−−
ns
µs
Notes
1. Typical values are measured at VCC = 5.0 V and Tamb = 25 °C.
2. For CEXT ≥ 10 nF the typical value of the pulse width tW (µs) = REXT (kΩ) × CEXT (nF).
2000 Mar 15
16
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页数 | 24 页 | ||
下载 | [ 74AHC123A.PDF 数据手册 ] |
零件编号 | 描述 | 制造商 |
74AHC123 | Dual retriggerable monostable multivibrator with reset | NXP Semiconductors |
74AHC123A | Dual retriggerable monostable multivibrator with reset | NXP Semiconductors |
74AHC123AD | Dual retriggerable monostable multivibrator with reset | NXP Semiconductors |
74AHC123APW | Dual retriggerable monostable multivibrator with reset | NXP Semiconductors |
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