NTE74C221 Multivibrator Datasheet

NTE74C221 Datasheet PDF, Equivalent


Part Number

NTE74C221

Description

CMOS Dual Monostable Multivibrator

Manufacture

NTE

Total Page 4 Pages
PDF Download
Download NTE74C221 Datasheet PDF


NTE74C221
NTE74C221
Integrated Circuit
TTLCMOS Dual Monostable Multivibrator
16Lead DIP
Description:
The NTE74C221 dual monostable multivibrator is a monolithic complementary MOS (CMOS) integrated
circuit in a 16Lead DIP type package. Each multivibrator features a negativetransitiontriggered input
and a positivetransitiontriggered input, either of which can be used as an inhibit input, and a clear input.
Once fired, the output pulses are independent of further transitions of the A and B inputs and are
a function of the external timing components CEXT and REXT. The pulse width is stable over a wide
range of temperature an VCC.
Features:
D Wide Supply Range: 4.5V to 15V
D Guaranteed Noise Margin: 1.0V
D High Noise Immunity: 0.45 VCC (typ)
D Low Power TTL Compatibility: Fan Out of 2 Driving 74L
Absolute Maximum Ratings: (Note 1)
Voltage at Any Pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.3V to VCC +0.3V
Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 700mW
Operating VCC Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.5V to 15V
Maximum VCC Voltage (REXT 80 VCC (Ω)) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V
Operating Temperature Range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40° to +85°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65° to +150°C
Lead Temperature (During Soldering, 10sec), TL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +260°C
Note 1. “Absolute Maximum Ratings” are those values beyond which th safety of the device cannot
be guaranteed. Except for “Operating Temperature Range”, they are not meant to imply that
the devices should be operated at these limits. The table of “Electrical Characteristics”
provides conditions for actual device operation.

NTE74C221
DC Electrical Characteristics: (TA = 40° to +85°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ
CMOS to CMOS
Logical “1” Input Voltage
Logical “0” Input Voltage
Logical “1” Output Voltage
Logical “0” Output Voltage
Logical “1” Input Current
Logical “0” Input Current
Supply Current (Standby)
VIN(1)
VIN(0)
VOUT(1)
VOUT(0)
IIN(1)
IIN(0)
ICC
VCC = 5V
VCC = 10V
VCC = 5V
VCC = 10V
VCC = 5V
IO = 10μA
VCC = 10V
VCC = 5V
IO = 10μA
VCC = 10V
VCC = 15V, VIN = 15V
VCC = 15V, VIN = 0V
VQC1C, Q=21=5VL,oRgEicXT“0=”,
,
Note
2
3.5
8.0
−−
−−
4.5
9.0
−−
−−
0.005
1.0 0.005
0.05
Supply Current (During Output Pulse)
ICC
VQC2C==L1o5gVic,
Q1
“0”
=
Logic
“1”,
15
2
Leakage Current at R/CEXTPin
CMOS/LPTTL Interface
VCC = 15V, VCEXT = 5V
0.01
Logical “1” Input Voltage
Logical “0” Input Voltage
Logical “1” Output Voltage
Logical “0” Output Voltage
Output Drive
VIN(1)
VIN(0)
VOUT(1)
VOUT(0)
VCC = 4.75V
VCC = 4.75V
VCC = 4.75V, IO = 360μA
VCC = 4.75V, IO = 360μA
VCC1.5
2.4
Output Source Current (PChannel)
Output Sink Current (NChannel)
ISOURCE
ISINK
VCC = 5V
VCC = 10V
VCC = 5V
VCC = 10V
TVAOU=T+=250°,C
VTAOU=T+=25V°CCC,
1.75
8
1.75
8
Max
1.5
2.0
0.5
1.0
1.0
300
3.0
0.8
0.4
Unit
V
V
V
V
V
V
V
V
μA
μA
μA
mA
mA
μA
V
V
V
V
mA
mA
mA
mA
Note 2. In Standby (Q = Logic “0”) the power dissipation equals the leakage current plus VCC/REXT.
AC Electrical Characteristics: (TA = +25°, CL = 50pF, Note 3 unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max
Propagation Delay from Trigger Input
(A, B) to Output Q, Q
Propagation Delay from Clear Input
(CL) to Output Q, Q
Time Prior to Trigger Input (A, B)
that Clear must be Set
Trigger Input (A, B) Pulse Width
Clear Input (CL) Pulse Width
tPD(A), tPD(B)
tPD(CL)
tS
tW(A,B)
tW(CL)
VCC = 5V
VCC = 10V
VCC = 5V
VCC = 10V
VCC = 5V
VCC = 10V
VCC = 5V
VCC = 10V
VCC = 5V
VCC = 10V
250 500
120 250
250 500
120 250
150 50
60 20
150 50
70 30
150 50
70 30
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Note 3. AC Parameters are guaranteed by DC correlated testing.


Features NTE74C221 Integrated Circuit TTL− CMOS Dual Monostable Multivibrator 16−Lea d DIP Description: The NTE74C221 dual m onostable multivibrator is a monolithic complementary MOS (CMOS) integrated ci rcuit in a 16−Lead DIP type package. Each multivibrator features a negative transition−triggered input and a po sitive−transition−triggered input, either of which can be used as an inhib it input, and a clear input. Once fired , the output pulses are independent of further transitions of the A and B inpu ts and are a function of the external t iming components CEXT and REXT. The pul se width is stable over a wide range of temperature an VCC. Features: D Wide S upply Range: 4.5V to 15V D Guaranteed N oise Margin: 1.0V D High Noise Immunity : 0.45 VCC (typ) D Low Power TTL Compat ibility: Fan Out of 2 Driving 74L Absol ute Maximum Ratings: (Note 1) Voltage a t Any Pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.3V to VCC +0.3V Power Dissipation, PD .
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