M74HC221AC1R Ver la hoja de datos (PDF) - STMicroelectronics
Número de pieza
componentes Descripción
Fabricante
M74HC221AC1R Datasheet PDF : 14 Pages
| |||
M54/M74HC221/221A
ABSOLUTE MAXIMUM RATING
Symbol
Parameter
Value
Unit
VCC
Supply Voltage
-0.5 to +7
V
VI
DC Input Voltage
-0.5 to VCC + 0.5
V
VO
DC Output Voltage
-0.5 to VCC + 0.5
V
IIK
DC Input Diode Current
IOK
DC Output Diode Current
IO
DC Output Source Sink Current Per Output Pin
± 20
mA
± 20
mA
± 25
mA
ICC or IGND DC VCC or Ground Current
± 50
mA
PD
Power Dissipation
500 (*)
mW
Tstg
Storage Temperature
-65 to +150
oC
TL
Lead Temperature (10 sec)
300
oC
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition isnotimplied.
(*) 500 mW: ≅ 65 oC derate to 300 mW by 10mW/oC: 65 oC to 85 oC
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Value
Unit
VCC Supply Voltage
2 to 6
V
VI
Input Voltage
0 to VCC
V
VO
Output Voltage
Top Operating Temperature: M54HC Series
M74HC Series
0 to VCC
V
-55 to +125
oC
-40 to +85
oC
tr, tf Input Rise and Fall Time (CLR and A only) VCC = 2 V
0 to 1000
ns
VCC = 4.5 V
0 to 500
VCC = 6 V
0 to 400
CX
External Capacitor
> 100 (*)
pF
RX
External Resistor
VCC < 3 V
5K to 1M (*)
Ω
VCC ≥ 3 V
1K to 1M (*)
(*)The maximum allowable values of Cx and Rx are a function of leackage of capacitor Cx, the leackage of HC221/A, and leackage due to the
board layout and surface resistance. Susceptibility to externally induced noise signals may occur for Rx > 1MΩ
5/14
Share Link: 