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Fairchild Semiconductor Electronic Components Datasheet

DM74LS365A Datasheet

Hex 3-STATE Buffer/Bus Driver

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August 1986
Revised March 2000
DM74LS365A
Hex 3-STATE Buffer/Bus Driver
General Description
This device contains six independent gates each of which
performs a non-inverting buffer function. The outputs have
the 3-STATE feature. When enabled, the outputs exhibit
the low impedance characteristics of a standard LS output
with additional drive capability to permit the driving of bus
lines without external resistors. When disabled, both the
output transistors are turned OFF presenting a high-imped-
ance state to the bus line. Thus the output will act neither
as a significant load nor as a driver. To minimize the possi-
bility that two outputs will attempt to take a common bus to
opposite logic levels, the disable time is shorter than the
enable time of the outputs.
Ordering Code:
Order Number Package Number
Package Description
DM74LS365AM
M16A
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow
DM74LS365AN
N16E
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagram
Function Table
Y=A
Input
G1 G2
HX
XH
LL
LL
A
X
X
H
L
H = HIGH Logic Level
L = LOW Logic Level
X = Either LOW or HIGH Logic Level
Hi-Z = 3-STATE (Outputs are disabled)
Output
Y
Hi-Z
Hi-Z
H
L
© 2000 Fairchild Semiconductor Corporation DS006427
www.fairchildsemi.com


Fairchild Semiconductor Electronic Components Datasheet

DM74LS365A Datasheet

Hex 3-STATE Buffer/Bus Driver

No Preview Available !

Absolute Maximum Ratings(Note 1)
Supply Voltage
7V
Input Voltage
7V
Operating Free Air Temperature Range 0°C to +70°C
Storage Temperature Range
65°C to +150°C
Note 1: The “Absolute Maximum Ratings” are those values beyond which
the safety of the device cannot be guaranteed. The device should not be
operated at these limits. The parametric values defined in the Electrical
Characteristics tables are not guaranteed at the absolute maximum ratings.
The “Recommended Operating Conditions” table will define the conditions
for actual device operation.
Recommended Operating Conditions
Symbol
VCC
VIH
VIL
IOH
IOL
TA
Parameter
Supply Voltage
HIGH Level Input Voltage
LOW Level Input Voltage
HIGH Level Output Current
LOW Level Output Current
Free Air Operating Temperature
Min
4.75
2
0
Nom
5
Max
5.25
0.8
2.6
24
70
Electrical Characteristics
over recommended operating free air temperature range (unless otherwise noted)
Symbol
Parameter
Conditions
Min
VI Input Clamp Voltage
VCC = Min, II = −18 mA
VOH HIGH Level
Output Voltage
VCC = Min, IOH = Max
VIL = Max, VIH = Min
2.4
VOL LOW Level
VCC = Min, IOL = Max
Output Voltage
VIL = Max, VIH = Min
IOL = 12 mA, VCC = Min
II Input Current @ Max Input Voltage VCC = Max, VI = 7V
IIH HIGH Level Input Current
VCC = Max, VI = 2.7V
IIL LOW Level
VCC = Max, VI = 0.5V (Note 3) A Input
Input Current
VCC = Max, VI = 0.4V (Note 4) A Input
IOZH
IOZL
IOS
ICC
VCC = Max, VI = 0.4V
Off-State Output Current with
VCC = Max, VO = 2.4V
HIGH Level Output Voltage Applied VIH = Min, VIL = Max
Off-State Output Current with
VCC = Max, VO = 0.4V
LOW Level Output Voltage Applied VIH = Min, VIL = Max
Short Circuit Output Current
VCC = Max (Note 5)
Supply Current
VCC = Max (Note 6)
G Input
20
Note 2: All typicals are at VCC = 5V, TA = 25°C.
Note 3: Both G inputs are at 2V.
Note 4: Both G inputs at 0.4V.
Note 5: Not more than one output should be shorted at a time, and the duration should not exceed one second.
Note 6: ICC is measured with the DATA inputs grounded and the OUTPUT CONTROLS at 4.5V.
Typ
(Note 2)
3.4
0.35
0.25
14
Max
1.5
0.5
0.4
0.1
20
20
0.4
0.4
20
20
100
24
Switching Characteristics
at VCC = 5V and TA = 25°C
Symbol
Parameter
tPLH Propagation Delay Time LOW-to-HIGH Level Output
tPHL Propagation Delay Time HIGH-to-LOW Level Output
tPZH Output Enable Time to HIGH Level Output
tPZL Output Enable Time to LOW Level Output
tPHZ Output Disable Time from HIGH Level Output (Note 7)
tPLZ Output Disable Time from LOW Level Output (Note 7)
Note 7: CL = 5 pF.
RL = 667
CL = 50 pF
CL = 150 pF
Min Max Min Max
16 25
16 25
30 40
30 40
20
20
Units
V
V
V
mA
mA
°C
Units
V
V
V
mA
µA
µA
mA
µA
µA
mA
mA
Units
ns
ns
ns
ns
ns
ns
www.fairchildsemi.com
2


Part Number DM74LS365A
Description Hex 3-STATE Buffer/Bus Driver
Maker Fairchild Semiconductor
Total Page 4 Pages
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