HCC4538BF Datasheet PDF - STMicroelectronics
| Part Number | HCC4538BF | |
| Description | DUAL MONOSTABLE MULTIVIBRATOR | |
| Manufacturers | STMicroelectronics | |
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HCC4538B
HCF4538B
DUAL MONOSTABLE MULTIVIBRATOR
. RETRIGGERABLE/RESETTABLE
CAPABILITY
. TRIGGER AND RESET PROPAGATION DE-
LAYS INDEPENDENT OF RX, CX
. TRIGGERING FROM LEADING OR TRAILING
EDGE
. Q AND Q BUFFERED OUTPUTS AVAILABLE
. SEPARATE RESETS
. WIDE RANGE OF OUTPUT-PULSE WIDTHS
. QUIESCENT CURRENT SPECIFIED TO 20V
FOR HCC DEVICE
. 5V, 10V, AND 15V PARAMETRIC RATINGS
. SCHMITT TRIGGER INPUT ALLOWS UN-
LIMITER RISE AND FALL TIMES ON + TR AND
– TR INPUTS
. INPUT CURRENT OF 100nA AT 18V AND 25°C
FOR HCC DEVICE
. 100% TESTED FOR QUIESCENT CURRENT
. MEETS ALL REQUIREMENTS OF JEDECTEN-
TATIVE STANDARD N° 13A, ”STANDARD SPE-
CIFICATIONS FOR DESCRIPTION OF ”B”
SERIES CMOS DEVICES”
EY
(Plastic Package)
F
(Ceramic Package)
M1
(Micro Package)
C1
(Chip Carrier)
ORDER CODES :
HCC4538BF
H CF 4538 BM 1
HCF4538BEY
H CF 4538 BC 1
DESCRIPTION
The HCC4538B (extended temperature range) and
HCF4538B (intermediate temperature range) are
monolithic integrated circuit, available in 16-lead
dual in-line plastic or-ceramic package and plastic
micro package. The HCC/HCF4538B dual precision
monostable multivibrator provides stable retrigger-
able/resettable one-shot operation for any fixed-
voltage timing application. An external resistor (RX)
and an external capacitor (CX) control the timing and
accuracy for the circuit. Adjustment of RX and CX
provides a wide range of output pulse widths from
the Q and Q terminals. The time delay from trigger
input to output transition (trigger propagation delay)
and the time delay from reset input to output transi-
tion (reset propagation delay) are independent of RX
and CX. Precision control of output pulse widths is
achieved through linear CMOS techniques. Lead-
ing-edge-triggering (+ TR) and trailing-edge-trigger-
ing (– TR) inputs are provided for triggering from
either edge of an input pulse. An unused + TR input
should be tied to VSS. An unused – TR input should
be tied to VDD. A RESET (on low level) is provided
for immediate termination of the output pulse or to
PIN CONNECTIONS
September 1988
1/14
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HCC/HCF4538B
DYNAMIC ELECTRICAL CHARACTERISTICS (Tamb = 25 oC, CL = 50 pF, RL = 200 KΩ,
typical temperature coefficent for all VDD values is 03 %/oC, all input rise and fall times= 20 ns)
Symbol
Parameter
tTLH Transition Time
tTHL
tPLH Propagation Delay Time
tPHL +TR or -TR to Q or Q
tPLH Propagation Delay Time
tPHL Reset to Q or Q
tWH Minimum Input Pulse Width
tWL +TR, -TR or Reset
tWT Output Pulse Width - Q or Q
(CX = 0.005 µF, RX = 10 KΩ *)
tWT Output Pulse Width - Q or Q
(CX = 0.1 µF, RX = 100 KΩ)
tWT Output Pulse Width - Q or Q
(CX = 10 µF, RX = 100 KΩ)
tW
Pulse Width Match Between
Circuits in Same Package:
(CX = 0.1 µF, RX = 100 KΩ)
100 (T1 − T2)
T1
trr Minimum Retrigger Time
CIN Input Capacitance
* Minimum RX value = 4 KΩ, minimum CX value = 500 pF
Test Conditions
VDD (V)
5
10
15
5
10
15
RL = 1KΩ
5
10
15
RL = 1KΩ
5
10
15
5
10
15
5
10
15
5
10
15
5
10
15
5
10
15
Any
Input
Min.
57
55
55
9.4
9.4
9.5
0.95
0.95
0.96
0
0
0
Value
Typ.
100
50
40
300
150
100
250
125
95
80
40
30
60.6
58.9
59.1
9.97
9.95
10.00
1.00
1.00
1.00
±1
±1
±1
5
Max.
200
100
80
600
300
220
500
250
190
140
80
60
64.5
63.0
63.5
10.5
10.6
10.6
1.06
1.06
1.07
7.5
Unit
ns
ns
ns
ns
µs
ms
s
%
ns
pF
5/14
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for HCC4538BF electronic component. |
| Information | Total 14 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ HCC4538BF.PDF Datasheet ] | |
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