SCLS300C − JANUARY 1996 − REVISED AUGUST 2003
LSTTL Loads
D Low Power Consumption, 80-µA Max ICC
D Typical tpd = 11 ns
D ±6-mA Output Drive at 5 V
D Low Input Current of 1 µA Max
D 3-State Outputs Drive Bus Lines or Buffer
Memory Address Registers
SN54HC241 . . . J OR W PACKAGE
SN74HC241 . . . DW, N, NS, OR PW PACKAGE
(TOP VIEW)
20
2
19
3
18
4
17
5
16
6
15
7
14
8
13
9
12
10
11
2Y4
1A1
1OE
VCC
1
VCC
2OE
1Y1
2A4
1Y2
2A3
1Y3
2A2
1Y4
2A1
1A2
2Y3
1A3
2Y2
1A4
4
3 2 1 20 19
18
5
17
6
16
7
15
8
14
9 10 11 12 13
1Y1
2A4
1Y2
2A3
1Y3
2Y1
GND
2A1
1Y4
2A2
1OE
1A1
2Y4
1A2
2Y3
1A3
2Y2
1A4
2Y1
GND
SN54HC241 . . . FK PACKAGE
(TOP VIEW)
2OE
D Wide Operating Voltage Range of 2 V to 6 V
D High-Current Outputs Drive Up To 15
description/ordering information
These octal buffers and line drivers are designed specifically to improve both the performance and density of
3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. The ’HC241
devices are organized as two 4-bit buffers/drivers with separate output-enable (1OE and 2OE) inputs. When
1OE is low or 2OE is high, the device passes noninverted data from the A inputs to the Y outputs. When 1OE
is high or 2OE is low, the outputs for the respective buffers/drivers are in the high-impedance state.
ORDERING INFORMATION
PACKAGE†
TA
PDIP − N
SN74HC241N
Tube of 25
SN74HC241DW
Reel of 2000
SN74HC241DWR
Reel of 2000
SN74HC241NSR
Reel of 70
SN74HC241PW
Reel of 2000
SN74HC241PWR
Reel of 250
SN74HC241PWT
CDIP − J
Tube of 20
SNJ54HC241J
SNJ54HC241J
CFP − W
Tube of 85
SNJ54HC241W
SNJ54HC241W
SOP − NS
TSSOP − PW
−55°C
−55
C to 125
125°C
C
TOP-SIDE
MARKING
Tube of 20
SOIC − DW
−40°C
−40
C to 85
85°C
C
ORDERABLE
PART NUMBER
SN74HC241N
HC241
HC241
HC241
LCCC − FK
Tube of 55
SNJ54HC241FK
SNJ54HC241FK
† Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are
available at www.ti.com/sc/package.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Copyright 2003, Texas Instruments Incorporated
!"# $ %&'# "$ (&)*%"# +"#',
+&%#$ %! # $('%%"#$ (' #-' #'!$ '."$ $#&!'#$
$#"+"+ /""#0, +&%# (%'$$1 +'$ # '%'$$"*0 %*&+'
#'$#1 "** (""!'#'$,
(+&%#$ %!(*"# # 23 "** (""!'#'$ "' #'$#'+
&*'$$ #-'/$' #'+, "** #-' (+&%#$ (+&%#
(%'$$1 +'$ # '%'$$"*0 %*&+' #'$#1 "** (""!'#'$,
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
1
SCLS300C − JANUARY 1996 − REVISED AUGUST 2003
FUNCTION TABLES
INPUTS
1OE
1A
OUTPUT
1Y
L
H
H
L
L
L
H
X
Z
INPUTS
2OE
2A
OUTPUT
2Y
H
H
H
H
L
L
L
X
Z
logic diagram (positive logic)
1
19
2OE
1OE
1A1
1A2
1A3
1A4
2
18
4
16
6
14
8
12
1Y1
2A1
1Y2
2A2
1Y3
2A3
1Y4
2A4
11
9
13
7
15
5
17
3
2Y1
2Y2
2Y3
2Y4
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)†
Supply voltage range, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to 7 V
Input clamp current, IIK (VI < 0 or VI > VCC) (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±20 mA
Output clamp current, IOK (VO < 0 or VO > VCC) (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±20 mA
Continuous output current, IO (VO = 0 to VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±35 mA
Continuous current through VCC or GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±70 mA
Package thermal impedance, θJA (see Note 2): DW package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58°C/W
N package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69°C/W
NS package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60°C/W
PW package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83°C/W
Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −65°C to 150°C
† Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES: 1. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
2. The package thermal impedance is calculated in accordance with JESD 51-7.
2
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
SCLS300C − JANUARY 1996 − REVISED AUGUST 2003
recommended operating conditions (see Note 3)
SN54HC241
VCC
VIH
Supply voltage
VCC = 2 V
VCC = 4.5 V
High-level input voltage
VCC = 6 V
VCC = 2 V
VIL
VI
VO
∆t/∆v
MIN
NOM
MAX
2
5
6
Input voltage
MAX
2
5
6
3.15
3.15
4.2
4.2
0
VCC = 6 V
UNIT
V
V
0.5
0.5
1.35
1.35
1.8
1.8
VCC
VCC
VCC = 2 V
VCC = 4.5 V
Input transition rise/fall time
NOM
1.5
0
Output voltage
MIN
1.5
VCC = 4.5 V
VCC = 6 V
Low-level input voltage
SN74HC241
0
VCC
VCC
0
1000
1000
500
500
400
400
V
V
V
ns
TA
Operating free-air temperature
−55
125
−40
85
°C
NOTE 3: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs, literature number SCBA004.
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
VOH
VOL
TEST CONDITIONS
VI = VCC or 0,
MIN
MAX
SN74HC241
MIN
MAX
UNIT
1.9
1.998
1.9
1.9
IOH = −20 µA
4.4
4.499
4.4
4.4
6V
5.9
5.999
5.9
5.9
IOH = −6 mA
IOH = −7.8 mA
4.5 V
3.98
4.3
3.7
3.84
6V
5.48
5.8
5.2
5.34
2V
0.002
0.1
0.1
0.1
IOL = 20 µA
4.5 V
0.001
0.1
0.1
0.1
6V
0.001
0.1
0.1
0.1
4.5 V
0.17
0.26
0.4
0.33
6V
0.15
0.26
0.4
0.33
6V
±0.1
±100
±1000
±1000
nA
6V
±0.01
±0.5
±10
±5
µA
8
160
80
µA
10
10
10
pF
IOL = 6 mA
IOL = 7.8 mA
ICC
Ci
SN54HC241
2V
VI = VIH or VIL
VI = VCC or 0
VO = VCC or 0
TA = 25°C
MIN
TYP
MAX
4.5 V
VI = VIH or VIL
II
IOZ
VCC
IO = 0
6V
2 V to 6 V
POST OFFICE BOX 655303
3
• DALLAS, TEXAS 75265
V
V
3
SCLS300C − JANUARY 1996 − REVISED AUGUST 2003
switching characteristics over recommended operating free-air temperature range, CL = 50 pF
(unless otherwise noted) (see Figure 1)
TA = 25°C
TYP
MAX
SN54HC241
SN74HC241
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC
2V
39
115
170
145
tpd
A
Y
4.5 V
12
23
34
29
6V
11
20
29
25
ten
OE or OE
tdis
OE or OE
tt
Y
Y
Y
MIN
MIN
MAX
MIN
MAX
2V
60
150
225
190
4.5 V
17
30
45
38
6V
15
26
38
32
2V
40
150
225
190
4.5 V
18
30
45
38
6V
17
26
38
32
2V
28
60
90
75
4.5 V
8
12
18
15
6V
6
10
15
13
UNIT
ns
ns
ns
ns
switching characteristics over recommended operating free-air temperature range, CL = 150 pF
(unless otherwise noted) (see Figure 1)
PARAMETER
tpd
ten
tt
FROM
(INPUT)
A
OE or OE
TA = 25°C
MIN
TYP
MAX
SN54HC241
SN74HC241
TO
(OUTPUT)
VCC
2V
50
165
245
210
Y
4.5 V
16
33
49
42
6V
14
28
42
35
2V
100
200
300
250
4.5 V
20
40
60
50
6V
17
34
51
43
2V
45
210
315
265
4.5 V
17
42
63
53
6V
13
36
53
45
Y
Y
MIN
MAX
MIN
MAX
UNIT
ns
ns
ns
operating characteristics, TA = 25°C
PARAMETER
Cpd
4
TEST CONDITIONS
Power dissipation capacitance per buffer/driver
POST OFFICE BOX 655303
No load
• DALLAS, TEXAS 75265
TYP
35
UNIT
pF
SCLS300C − JANUARY 1996 − REVISED AUGUST 2003
PARAMETER MEASUREMENT INFORMATION
VCC
PARAMETER
Test
Point
From Output
Under Test
S1
ten
RL
CL
(see Note A)
tdis
S2
tPZH
RL
1 kΩ
tPZL
tPHZ
tPLZ
tpd or tt
1 kΩ
−−
LOAD CIRCUIT
CL
S1
S2
50 pF
or
150 pF
Open
Closed
Closed
Open
Open
Closed
Closed
Open
Open
Open
50 pF
50 pF
or
150 pF
VCC
Input
50%
50%
0V
tPLH
In-Phase
Output
50%
10%
tPHL
90%
VOH
50%
10% V
OL
tf
90%
tr
tPHL
Out-of-Phase
Output
90%
tPLH
50%
10%
50%
10%
90%
VOH
VOL
tf
tr
VOLTAGE WAVEFORMS
PROPAGATION DELAY AND OUTPUT TRANSITION TIMES
Output
Control
(Low-Level
Enabling)
VCC
50%
50%
0V
tPZL
Output
Waveform 1
(See Note B)
tPLZ
10%
tPZH
Input
50%
10%
90%
VCC
90%
50%
10% 0 V
tr
Output
Waveform 2
(See Note B)
≈VCC
≈VCC
50%
VOL
tPHZ
50%
90%
VOH
≈0 V
tf
VOLTAGE WAVEFORM
INPUT RISE AND FALL TIMES
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES FOR 3-STATE OUTPUTS
NOTES: A. CL includes probe and test-fixture capacitance.
B. Waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control.
Waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control.
C. Phase relationships between waveforms were chosen arbitrarily. All input pulses are supplied by generators having the following
characteristics: PRR ≤ 1 MHz, ZO = 50 Ω, tr = 6 ns, tf = 6 ns.
D. The outputs are measured one at a time with one input transition per measurement.
E. tPLZ and tPHZ are the same as tdis.
F. tPZL and tPZH are the same as ten.
G. tPLH and tPHL are the same as tpd.
Figure 1. Load Circuit and Voltage Waveforms
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
5
PACKAGE OPTION ADDENDUM
www.ti.com
24-Aug-2018
PACKAGING INFORMATION
Orderable Device
Status
(1)
Package Type Package Pins Package
Drawing
Qty
Eco Plan
Lead/Ball Finish
MSL Peak Temp
(2)
(6)
(3)
Op Temp (°C)
Device Marking
(4/5)
JM38510/65704BRA
ACTIVE
CDIP
J
20
1
TBD
A42
N / A for Pkg Type
-55 to 125
JM38510/
65704BRA
M38510/65704BRA
ACTIVE
CDIP
J
20
1
TBD
A42
N / A for Pkg Type
-55 to 125
JM38510/
65704BRA
SN54HC241J
ACTIVE
CDIP
J
20
1
TBD
A42
N / A for Pkg Type
-55 to 125
SN54HC241J
SN74HC241DW
ACTIVE
SOIC
DW
20
25
Green (RoHS
& no Sb/Br)
CU NIPDAU
Level-1-260C-UNLIM
-40 to 85
HC241
SN74HC241DWE4
ACTIVE
SOIC
DW
20
25
Green (RoHS
& no Sb/Br)
CU NIPDAU
Level-1-260C-UNLIM
-40 to 85
HC241
SN74HC241DWR
ACTIVE
SOIC
DW
20
2000
Green (RoHS
& no Sb/Br)
CU NIPDAU
Level-1-260C-UNLIM
-40 to 85
HC241
SN74HC241DWRG4
ACTIVE
SOIC
DW
20
2000
Green (RoHS
& no Sb/Br)
CU NIPDAU
Level-1-260C-UNLIM
-40 to 85
HC241
SN74HC241N
ACTIVE
PDIP
N
20
20
Pb-Free
(RoHS)
CU NIPDAU
N / A for Pkg Type
-40 to 85
SN74HC241N
SN74HC241NSR
ACTIVE
SO
NS
20
2000
Green (RoHS
& no Sb/Br)
CU NIPDAU
Level-1-260C-UNLIM
-40 to 85
HC241
SN74HC241PW
ACTIVE
TSSOP
PW
20
70
Green (RoHS
& no Sb/Br)
CU NIPDAU
Level-1-260C-UNLIM
-40 to 85
HC241
SN74HC241PWG4
ACTIVE
TSSOP
PW
20
70
Green (RoHS
& no Sb/Br)
CU NIPDAU
Level-1-260C-UNLIM
-40 to 85
HC241
SN74HC241PWR
ACTIVE
TSSOP
PW
20
2000
Green (RoHS
& no Sb/Br)
CU NIPDAU
Level-1-260C-UNLIM
-40 to 85
HC241
SN74HC241PWRE4
ACTIVE
TSSOP
PW
20
2000
Green (RoHS
& no Sb/Br)
CU NIPDAU
Level-1-260C-UNLIM
-40 to 85
HC241
SNJ54HC241FK
ACTIVE
LCCC
FK
20
1
TBD
POST-PLATE
N / A for Pkg Type
-55 to 125
SNJ54HC
241FK
SNJ54HC241J
ACTIVE
CDIP
J
20
1
TBD
A42
N / A for Pkg Type
-55 to 125
SNJ54HC241J
(1)
The marketing status values are defined as follows:
ACTIVE: Product device recommended for new designs.
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design.
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.
Addendum-Page 1
Samples
PACKAGE OPTION ADDENDUM
www.ti.com
24-Aug-2018
OBSOLETE: TI has discontinued the production of the device.
(2)
RoHS: TI defines "RoHS" to mean semiconductor products that are compliant with the current EU RoHS requirements for all 10 RoHS substances, including the requirement that RoHS substance
do not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, "RoHS" products are suitable for use in specified lead-free processes. TI may
reference these types of products as "Pb-Free".
RoHS Exempt: TI defines "RoHS Exempt" to mean products that contain lead but are compliant with EU RoHS pursuant to a specific EU RoHS exemption.
Green: TI defines "Green" to mean the content of Chlorine (Cl) and Bromine (Br) based flame retardants meet JS709B low halogen requirements of
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