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PDF MC10198FN Data sheet ( Hoja de datos )
| Número de pieza | MC10198FN | |
| Descripción | Monostable Multivibrator | |
| Fabricantes | Motorola Semiconductors | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MC10198FN (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Monostable Multivibrator
The MC10198 is a retriggerable monostable multivibrator. Two enable inputs
permit triggering on any combination of positive or negative edges as shown in
the accompanying table. The trigger input is buffered by Schmitt triggers
making it insensitive to input rise and fall times.
The pulse width is controlled by an external capacitor and resistor. The
resistor sets a current which is the linear discharge rate of the capacitor. Also,
the pulse width can be controlled by an external current source or voltage (see
applications information).
For high–speed response with minimum delay, a hi–speed input is also
provided. This input bypasses the internal Schmitt triggers and the output
responds within 2 nanoseconds typically.
Output logic and threshold levels are standard MECL 10,000. Test
conditions are per Table 2. Each “Precondition” referred to in Table 2 is per the
sequence of Table 1.
PD = 415 mW typ/pkg (No Load)
tpd = 4.0 ns typ Trigger Inpt to Q
2.0 ns typ Hi–Speed Input to Q
Min Timing Pulse Width
Max Timing Pulse Width
Min Trigger Pulse Width
Min Hi–Speed
Trigger Pulse Width
Enable Setup Time
Enable Hold Time
PWQmin
PWQmax
PWT
PWHS
tset
thold
1 CExt = 0 (Pin 4 open), RExt = 0
(Pin 6 to VEE)
2 CExt = 10 µF, RExt = 2.7 kΩ
10 ns typ1
>10 ms typ2
2.0 ns typ
3.0 ns typ
1.0 ns typ
1.0 ns typ
LOGIC DIAGRAM
MC10198
L SUFFIX
CERAMIC PACKAGE
CASE 620–10
P SUFFIX
PLASTIC PACKAGE
CASE 648–08
FN SUFFIX
PLCC
CASE 775–02
DIP
PIN ASSIGNMENT
VCC1
Q
Q
CEXT
EPOS
REXT
EXT.PULSE
WIDTH CONTROL
VEE
1 16
2 15
3 14
4 13
5 12
6 11
7 10
89
VCC2
HIGH–SPEED
INPUT
N/C
TRIGGER INPUT
N/C
N/C
ENEG
N/C
VEE VCC
64
REXT CEXT
5 E pos
Q
3
7
EXTERNAL PULSE
WIDTH CONTROL
VCC1 = PIN 1
10 ENEG
VCC2 = PIN 16
VEE = PIN 8
13 TRIGGER
INPUT
15
HI–SPEED
Q
INPUT
2
Pin assignment is for Dual–in–Line Package.
For PLCC pin assignment, see the Pin Conversion
Tables on page 6–11 of the Motorola MECL Data
Book (DL122/D).
TRUTH TABLE
INPUT
OUTPUT
EPos ENeg
L L Triggers on both positive & negative input slopes
L H Triggers on positive input slope
H L Triggers on negative input slope
H H Trigger is disabled
3/93
© Motorola, Inc. 1996
3–172
REV 5
1 page  
MC10198
SWITCHING TIME TEST CIRCUIT AND WAVEFORMS @ 25°C
Vin VCC1 = VCC2 = +2.0 Vdc Vout
25 µF
Coax
5
Input TPin
Pulse Generator
+1.11 V
0.1 µF
Input Pulse
t+ = t– = 2.0 ± 0.2 ns
(20 to 80%)
7
10
13
15
6
4
EPos
External Pulse
Width Control
ENeg
Trigger Input
Hi–Speed Input
RExt
CExt
0.1 µF
3
Q
2
Q
Coax
TPout
50–ohm termination to ground located
in each scope channel input.
All input and output cables to the scope
are equal lengths of 50–ohm coaxial
cable. Wire length should be < 1/4 inch
from TPin to input pin and TPout to
output pin.
VEE = –3.2 Vdc
0.1 µF
Unused outputs are tied to a
50–ohm resistor to ground.
EPos
Trigger Input
tT+Q+
Q
High–Speed
Trigger Input
tHS+Q+
Q
PWT tT–Q+
50%
PWQ
50%
tsetup (E)
50%
50%
PWHS
PWQ
tHold(E)
MOTOROLA
3–176
MECL Data
DL122 — Rev 6
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet MC10198FN.PDF ] | |
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