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DM74LS366AN
7 V, hex TRI-STATE inverting buffer
LS366A
gil Natiqnal
I Semiconductor
54LS366A/DM74LS366A
Hex TRI-STATE® Inverting Buffers
General Description
This device contains six independent gates each of which
performs an inverting buffer function. The outputs have the
TRI-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-impedance state
to the bus line. Thus the output will act neither as a signifi-
cant load nor as a driver. To minimize the possibility 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.
Connection Diagram
Dual-In-Llne Package
Pet: 62 " " " " At "
" " I14 ha l" lst ho In
1 " I 3 I4 I s ler lr la
61 A1 Y1 A2 " " " cm
TUF/M28-1
Order Number 54LS366ADMQB, 64LS366AFMQB,
MLS366ALMQB, DMT4LS366AM or DM74L5368AN
Sea NS Package Number E20A. dt6A, M16A, N16E or W16A
Function Table
Inputs
Output
X Hi-Z
X Hi-Z
H --- High Logic Level
L .--. Low Logic Level
X = Either Low or High Logic Level
Hi-Z _--. TRI-STATE (Outputs are disabled)
Absolute Maximum Ratings (Note)
If MllltaryfAerotrpatm specified devices are requlrecl,
please contact the Natlonal Serttltxmdutttttr Sales
oftlttttfDlatrlbutttrtt for avaliablllty and ttpetMtratlorts.
Supply Voltage 7V
Input Voltage 7V
Note: The "Absolute Maximum Ratings" are those values
beyond which the safety of the device cannot be guaran-
teed. The device should notbe operated at these limits. The
parametric values defined in the "Electrical Characteristics "
table are not guaranteed at the absolute maximum ratings.
The “Recommended Operating Conditions " table will define
Operating Free Air Temperature Range
DM54LS
DM74LS
Storage Temperature Range
-55''C to + 125''C
wc to + 70''C
-65''C to +150‘C
Recommended Operating Conditions
the conditions for actual device operation.
Symbol Parameter MLS366A DM74L8366A Units
Mln Nom Max Mln Nom Max
Voc Supply Voltage 4.5 5 5.5 4.75 5 5.25 V
" High Level Input Voltage 2 2 V
" Low Level Input Voltage 0.7 0.8 V
10H High Level Output Current - 1 -2.6 mA
IOL Low Level Output Current 12 24 mA
TA Free Air Operating Temperature _ 55 125 0 70 (
Electrical Characteristics over recommended operating free air temperature range (unless otherwise noted)
Symbol Parameter Condltlons Mln (Note 1) Max Units
lh Input Clamp Voltage Vcc = Min, l. = -18 mA --1.5 V
VOH High Level Output Vcc = Min, IOH = Max 2 4 3 4 V
Voltage " = Max,V|H = Min . .
VOL Low Level Output VCC = Min, IOL = Max 54LS 0.25 0.4
Voltage W. = Max, " = Min DM74 0.35 0.5 V
IOL = 12 mA, Vcc = Min DM74 0.25 0.4
k lnputCurrent tip Max Vcc = Max.V| = 7V DM74
In utVolta e th1 mA
p g Vcc = Max, v. = 10.0v 54LS
IIH High Level Input Current VCC = Max, VI = 2.7V 20 p.A
IIL Low Level Input Vcc = Max, V. = 0.5V A Input -20 A
Current (Note 4) p.
VCC = Max,V, = 0.4V A Input --0.4
(Note 5) . mA
VCC = Max,1h = 0.4V G Input -0.4
IOZH Off-State Output Current Vcc = Max, vo = 2.4V
with High Level Output " = Min, VIL == Max 20 FA
Voltage Applied
IOZL Oft-State Output Current Vcc = Max, vo = 0.4V
with Low Level Output " = Min, VIL = Max -20 pA
Voltage Applied
los Short Circuit Vcc == Max 54LS -30 -eo m A
Output Current (Note 2) DM74 _ 20 - 100
ICC Supply Current Vcc = Max (Note 3) 12 21 mA
Note 1: All typicals are at vac = 5V, TA = 25''C.
Note t Not more than one output should be shorted at a time, and the duration should not exceed one second.
Note 3: '00 is measured with the DATA inputs grounded and the OUTPUT CONTROLS 314.5V.
Note 4: Both G inputs are at 2V.
Note S: Both G Inputs at 0.4V.
VQSSS'I
LS366A
Switching Characteristics at VCC = 5V and TA = 25''C (See Section1 for TestWaveIorms and Output Load)
54LS DMMLS
Symbol Parameter th. = 50 pF 'ltr/fl',,','' Units
Min Max Mln Max
tpLH Propagation Delay Time Low
to High Level Output 1 ns
tpHL Propagation Delay Time High
to Low Level Output 22 5 ns
tPZH Output Enable Time to
High Level Output 24 35 ns
tPZL Output Enable Time to
Low Level Output 30 ns
tPHz Output Disable Time from 25 ns
High Level Output (Note 6)
tPLZ Output Disable Time from 20 ns
Low Level Output (Note 6)
N019 6: CL = 5 DP.
This datasheet has been :
www.ic-phoenix.com
Datasheets for electronic components.
National Semiconductor was acquired by Texas Instruments.
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This file is the datasheet for the following electronic components:
DM74LS366AM - product/dm74|5366am?HQS=T|-nu|I-null-dscataIog-df-pf-null-wwe
54LS366ADMQB - product/54ls366aqub?HQS=T|-nu|I-nu|I-dscatalog-df—pf—nulI-wwe
54LS366AFMQB - product/54Is366afmqb?HQS=T|—nuII-nulI-dscatalog-df—pf—null-wwe
DM74LS366AN - product/dm74|3366an?HQS=T|—nuII-nulI-dscataIog-df—pf-null-wwe
54LS366ALMQB - product/54|5366a|mqb?HQS=TI-nuIl-nu|I-dscataIog-df-pf-null-wwe
