
MOTOROLA CMOS LOGIC DATA
6–365
MC14538B
Dual Precision
Retriggerable/Resettable
Monostable Multivibrator
The MC14538B is a dual, retriggerable, resettable monostable multivibra-
tor. It may be triggered from either edge of an input pulse, and produces an
accurate output pulse over a wide range of widths, the duration and accuracy
of which are determined by the external timing components, CX and RX.
•
Unlimited Rise and Fall Time Allowed on the A Trigger Input
•
Pulse Width Range = 10
µ
s to 10 s
•
Latched Trigger Inputs
•
Separate Latched Reset Inputs
•
3.0 Vdc to 18 Vdc Operational Limits
•
Triggerable from Positive (A Input) or Negative–Going Edge (B–Input)
•
Capable of Driving Two Low–power TTL Loads or One Low–power
Schottky TTL Load Over the Rated Temperature Range
•
Pin–for–pin Compatible with MC14528B and CD4528B (CD4098)
•
Use the MC54/74HC4538A for Pulse Widths Less Than 10
µ
s with
Supplies Up to 6 V.
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ
MAXIMUM RATINGS*
(Voltages Referenced to VSS)
ÎÎÎÎ
ÎÎÎÎ
Symbol
ÎÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎÎ
Parameter
ÎÎÎÎÎÎ
ÎÎÎÎÎÎ
Value
ÎÎÎ
ÎÎÎ
Unit
ÎÎÎÎ
ÎÎÎÎ
VDD
ÎÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎÎ
DC Supply Voltage
ÎÎÎÎÎÎ
ÎÎÎÎÎÎ
– 0.5 to + 18.0
ÎÎÎ
ÎÎÎ
V
ÎÎÎÎ
ÎÎÎÎ
Vin, Vout
ÎÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎÎ
Input or Output Voltage (DC or Transient)
ÎÎÎÎÎÎ
ÎÎÎÎÎÎ
– 0.5 to VDD + 0.5
ÎÎÎ
ÎÎÎ
V
ÎÎÎÎ
Î
ÎÎ
Î
ÎÎÎÎ
Iin, Iout
ÎÎÎÎÎÎÎÎÎÎÎ
Î
ÎÎÎÎÎÎÎÎÎ
Î
ÎÎÎÎÎÎÎÎÎÎÎ
Input or Output Current (DC or Transient),
per Pin
ÎÎÎÎÎÎ
Î
ÎÎÎÎ
Î
ÎÎÎÎÎÎ
±
10
ÎÎÎ
Î
Î
Î
ÎÎÎ
mA
ÎÎÎÎ
ÎÎÎÎ
PD
ÎÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎÎ
Power Dissipation, per Package†
ÎÎÎÎÎÎ
ÎÎÎÎÎÎ
500
ÎÎÎ
ÎÎÎ
mW
ÎÎÎÎ
ÎÎÎÎ
Tstg
ÎÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎÎ
Storage Temperature
ÎÎÎÎÎÎ
ÎÎÎÎÎÎ
– 65 to + 150
ÎÎÎ
ÎÎÎ
_
C
ÎÎÎÎ
ÎÎÎÎ
TL
ÎÎÎÎÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎÎÎÎÎ
Lead Temperature (8–Second Soldering)
ÎÎÎÎÎÎ
ÎÎÎÎÎÎ
260
ÎÎÎ
ÎÎÎ
_
C
* Maximum Ratings are those values beyond which damage to the device may occur.
†Temperature Derating:
Plastic “P and D/DW” Packages: – 7.0 mW/
_
C From 65
_
C To 125
_
C
Ceramic “L” Packages: – 12 mW/
_
C From 100
_
C To 125
_
C
ONE–SHOT SELECTION GUIDE
100 ns
MC14528B
MC14536B
MC14538B
MC14541B
MC4538A*
1
µ
s
10
µ
s
100
µ
s
1 ms
10 ms
100 ms
1 s
10 s
*LIMITED OPERATING VOLTAGE (2 – 6 V)
TOTAL OUTPUT PULSE WIDTH RANGE
RECOMMENDED PULSE WIDTH RANGE
23 HR
5 MIN.
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
MC14538B
L SUFFIX
CERAMIC
CASE 620
ORDERING INFORMATION
MC14XXXBCP
Plastic
MC14XXXBCL
Ceramic
*MC14XXXBDW
SOIC
TA = – 55
°
to 125
°
C for all packages.
P SUFFIX
PLASTIC
CASE 648
DW SUFFIX
SOIC
CASE 751G
BLOCK DIAGRAM
* Consult factory for possible “D” suffix SOIC
Case 751B.
VDD
VDD
6
7
10
9
12
11
5
4
A
B
CX
RX
1
2
Q1
Q1
RESET
3
CX
RX
15
14
Q2
Q2
RESET
13
A
B
RX AND CX ARE EXTERNAL COMPONENTS.
VDD = PIN 16
VSS = PIN 8, PIN 1, PIN 15
Содержание CMOS Logic
Страница 1: ......
Страница 5: ...iv MOTOROLA CMOS LOGIC DATA ...
Страница 6: ...Master Index 1 ...
Страница 12: ...Product Selection Guide 2 ...
Страница 17: ...The Better Program 3 ...
Страница 20: ...B and UB Series Family Data 4 ...
Страница 25: ...CMOS Handling and Design Guidelines 5 ...
Страница 32: ...CMOS Handling and Design Guidelines 5 ...
Страница 39: ...Data Sheets 6 ...
Страница 69: ...MOTOROLA CMOS LOGIC DATA 6 31 MC14008B Figure 5 Logic Diagram Cin A1 B1 A2 B2 A3 B3 A4 B4 S1 S2 S3 S4 Cout ...
Страница 234: ...MOTOROLA CMOS LOGIC DATA MC14174B 6 196 FUNCTIONAL BLOCK DIAGRAM TIMING DIAGRAM ...
Страница 238: ...MOTOROLA CMOS LOGIC DATA MC14175B 6 200 FUNCTIONAL BLOCK DIAGRAM TIMING DIAGRAM ...
Страница 555: ...CMOS Reliability 7 ...
Страница 561: ...Equivalent Gate Count 8 ...
Страница 563: ...Packaging Information Including Surface Mounts 9 ...
Страница 571: ......