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54LS266-DM74LS266N
QUAD 2-INPUT EXCLUSIVE-NOR GATE WITH OPEN-COLLECTOR OUTPUTS
g? Natiqnal
, Semiconductor
54LS266/DM74LS266
Quad 2-lnput Exclusive-NOR Gate
with Open-Collector Outputs
General Description
This device contains four independent gates each of which
performs the logic exclusive-OR function. Outputs are open
collector.
Connection Diagram
Dual-ln-Llne Package
TL/Ft10182-1
Order Number 54LS266DM12B, MLS266FW2B, DMNLSZGGM or DM74L5266N
See NS Package Number J14A, M14A, mm or W148
Truth Table
Inputs Outputs
H = HIGH Voltage Level
L = LOW Voltage Level
Absolute Maximum Ratings (Note)
It Mltltary/Aerospace specified devlces are required,
please contact the National Semiconductor Sales
Offltttt/Dlatrfbutorg for availability and apeeMeatlontt.
Note: The "Absolute Maximum Ratings" am those values
beyond which the safety of the device cannot be guaran-
teed. The device should not be operated at these limits. The
parametric values defined in the "Electrical Characteristics"
table am not guaranteed at the absolute maximum ratings.
The "Recommended Operating Conditions" table mr/ define
the conditions for actual device operation.
Supply Voltage 7V
Input Voltage 7V
Operating Free Air Temperature Range
54LS - 55°C to + 125°C
DM74LS
Storage Temperature Range
0°C to + 70'C
- 65°C to + 150'C
Recommended Operating Conditions
Symbol Parameter MLS266 DM74L8266 Units
Mln Nom Max Min Nom Max
Vcc Supply Voltage 4.5 5 5.5 4.75 5 5.25 V
VIH High Level Input Voltage 2 2 V
" Low Level Input Voltage 0.7 0.8 V
IOH High Level Output Current - 0.1 - 0.4 mA
IOL Low Level Output Current 4 8 mA
TA Free Air Operating Temperature - 55 125 0 70 ''C
Electrical Characteristics over recommended operating free air temperature range (unless otherwise noted)
Symbol Parameter Conditions Min (Note 1) Max Units
lh lnputClamp Voltage Vcc = Min, I. = --18 mA --1.5 V
VOH High Level Output Vcc = Min, km = Max, 54LS 2.5
Volta e V = Max V
g IL DM74 2.7
VOL Low Level Output Vcc = Min, lor. = Max, 54LS 0.4
Voltage VIH = Min DM74 0.5 V
IOL = 4 mA, Vcc = Min DM74 0.4
l. lnputCurren1@ Max Voc --- Max, V. = 10V 0.2 mA
Input Voltage
IIH High Level Input Current Vcc = Max, V. = 2.7V 40 p.A
ltr. Low Level InputCurrent Vcc = Max, V. = 0.4V -0.8 mA
los Short Circuit VcC = Max 54LS -20 -100
O t utCurmnt (Note 2) tttA
u p DM74 -20 --100
'60 Supply Current Vcc = Max 13 mA
Switching Characteristics at v00 = 5V and TA = 25°C (See Section1 for Test Waveforms and Output Load)
RL = 2 kn
Symbol Parameter th. == 15 pF Unlts
Mln Max
tpLH Propagation Delay Time 23 ns
Low to High Level Output
tPHL Propagation Delay Time 23 n s
High to Low Level Output
Note 1: All typical: are at Vcc = 5V. TA = 25°C.
Note 2.. Not more than one output should be shoned a1 a time. and the duration should not exceed one second.
This datasheet has been :
www.ic-phoenix.com
Datasheets for electronic components.
National Semiconductor was acquired by Texas Instruments.
corp/docs/irwestor_relations/Pr_09_23_201 1_national_semiconductor.html
This file is the datasheet for the following electronic components:
DM74LS266N - product/dm74|5266n?HQS=TI-nu|I-nu|l-dscataIog-df-pf-null-wwe
DM74LS266M - product/dm74lsZ66m?HQS=T|-nu|I-nu|I-dscataIog-df-pf-null-wwe
54LS266FMQB - product/54|3266fmqb?HQS=T|-null-null-dscatalog-df—pf—nuII-wwe
54LS266DMQB - product/54|5266dmqb?HQS=T|-nu|I-nulI-dscatalog-df—pf—nuII-wwe
54LS266 - product/54|3266?HQS=T|-nu|I-nu|I-dscataIog-df-pf-null-wwe
DM74LS266N - product/dm74|3266n?HQS=T|-nu|I-nu|I-dscataIog-df-pf-null-wwe
DM74LS266M - product/dm74|3266m?HQS=T|-nu|I-nu|I-dscataIog-df-pf-null-wwe
DM74LS266N - product/dm74|3266n?HQS=T|—null-nu|I-dscataIog-df—pf—nuII-wwe
DM74LS266M - product/dm74|5266m?HQS=T|-nu|I-nu|I-dscataIog-df-pf-nuIl-wwe
54LS266FMQB - product/54|3266fmqb?HQS=T|-null-null-dscatalog-df—pf—nuII-wwe
54LS266DMQB - product/54lsZ66dmqb?HQS=T|-nu|I-nulI-dscatalog-df-pf-nulI-wwe
54LS266 - product/54|5266?HQS=T|—nu||—nu|I-dscatalog-df-pf—nuII-wwe
