TI SN74AHC244PWLE

SN54AHC244, SN74AHC244
OCTAL BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCLS226J − OCTOBER 1995 − REVISED JULY 2003
D Operating Range 2-V to 5.5-V VCC
D Latch-Up Performance Exceeds 250 mA Per
SN54AHC244 . . . J OR W PACKAGE
SN74AHC244 . . . DB, DGV, DW, N, NS, OR PW PACKAGE
(TOP VIEW)
JESD 17
1OE
1A1
2Y4
1A2
2Y3
1A3
2Y2
1A4
2Y1
GND
description/ordering information
These octal buffers/drivers are designed
specifically to improve the performance and
density of 3-state memory-address drivers, clock
drivers, and bus-oriented receivers and
transmitters.
The ’AHC244 devices are organized as two 4-bit
buffers/line drivers with separate output-enable
(OE) inputs. When OE is low, the device passes
data from the A inputs to the Y outputs. When OE
is high, the outputs are in the high-impedance
state.
1
20
2
19
3
18
4
17
5
16
6
15
7
14
8
13
9
12
10
11
VCC
2OE
1Y1
2A4
1Y2
2A3
1Y3
2A2
1Y4
2A1
To ensure the high-impedance state during power
up or power down, OE should be tied to VCC
through a pullup resistor; the minimum value of
the resistor is determined by the current-sinking
capability of the driver.
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
1A2
2Y3
1A3
2Y2
1A4
2OE
2Y4
1A1
1OE
VCC
SN54AHC244 . . . FK PACKAGE
(TOP VIEW)
ORDERING INFORMATION
PDIP − N
SN74AHC244N
Tube
SN74AHC244DW
Tape and reel
SN74AHC244DWR
SOP − NS
Tape and reel
SN74AHC244NSR
AHC244
SSOP − DB
Tape and reel
SN74AHC244DBR
HA244
Tube
SN74AHC244PW
Tape and reel
SN74AHC244PWR
TVSOP − DGV
Tape and reel
SN74AHC244DGVR
HA244
CDIP − J
Tube
SNJ54AHC244J
SNJ54AHC244J
CFP − W
Tube
SNJ54AHC244W
SNJ54AHC244W
LCCC − FK
Tube
SNJ54AHC244FK
SNJ54AHC244FK
TSSOP − PW
−55°C
55 C to 125
125°C
C
†
TOP-SIDE
MARKING
Tube
SOIC − DW
40°C to 85°C
−40°C
ORDERABLE
PART NUMBER
PACKAGE†
TA
SN74AHC244N
AHC244
HA244
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
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
On products compliant to MIL-PRF-38535, all parameters are tested
unless otherwise noted. On all other products, production
processing does not necessarily include testing of all parameters.
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
1
SN54AHC244, SN74AHC244
OCTAL BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCLS226J − OCTOBER 1995 − REVISED JULY 2003
FUNCTION TABLE
(each 4-bit buffer/driver)
INPUTS
OE
A
OUTPUT
Y
L
H
H
L
L
L
H
X
Z
logic diagram (positive logic)
1OE
1A1
1A2
1A3
1A4
1
2OE
2
18
4
16
6
14
8
12
1Y1
2A1
1Y2
2A2
1Y3
2A3
1Y4
2A4
19
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 voltage range, VI (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to 7 V
Output voltage range, VO (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to VCC + 0.5 V
Input clamp current, IIK (VI < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −20 mA
Output clamp current, IOK (VO < 0 or VO > VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±20 mA
Continuous output current, IO (VO = 0 to VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±25 mA
Continuous current through VCC or GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±50 mA
Package thermal impedance, θJA (see Note 2): DB package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70°C/W
DGV package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92°C/W
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
SN54AHC244, SN74AHC244
OCTAL BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCLS226J − OCTOBER 1995 − REVISED JULY 2003
recommended operating conditions (see Note 3)
SN54AHC244
VCC
Supply voltage
VCC = 2 V
VIH
MAX
2
5.5
1.5
VCC = 3 V
High-level
High
level input voltage
MIN
VCC = 5.5 V
Input voltage
VO
Output voltage
High-level
High
level output current
IOL
Low-level
Low
level output current
Δt/Δv
Input transition rise or fall rate
TA
Operating free-air temperature
5.5
2.1
0.5
0.5
0.9
0.9
1.65
1.65
5.5
0
5.5
0
VCC
0
V
−50
mA
−4
−4
−8
−8
VCC = 2 V
50
50
VCC = 3.3 V ± 0.3 V
4
4
VCC = 5 V ± 0.5 V
8
8
100
100
20
20
−55
V
VCC
VCC = 3.3 V ± 0.3 V
VCC = 5 V ± 0.5 V
V
−50
VCC = 5 V ± 0.5 V
VCC = 3.3 V ± 0.3 V
V
V
0
VCC = 2 V
IOH
2
UNIT
1.5
3.85
VCC = 5.5 V
VI
MAX
2.1
VCC = 3 V
Low-level
Low
level input voltage
MIN
3.85
VCC = 2 V
VIL
SN74AHC244
125
−40
85
mA
mA
mA
ns/V
°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
TEST CONDITIONS
VCC
TA = 25°C
SN54AHC244
TYP
2V
1.9
2
1.9
1.9
3V
2.9
3
2.9
2.9
4.5 V
4.4
4.5
4.4
4.4
IOH = −4 mA
3V
2.58
2.48
2.48
IOH = −8 mA
4.5 V
3.94
IOH = −50
50 mA
VOH
IOL = 50 mA
VOL
IOL = 4 mA
IOL = 8 mA
MIN
MAX
3.8
MIN
MAX
UNIT
V
3.8
2V
0.1
0.1
0.1
3V
0.1
0.1
0.1
4.5 V
0.1
0.1
0.1
3V
0.36
0.5
0.44
V
4.5 V
0.36
0.5
0.44
0 V to 5.5 V
±0.1
±1*
±1
mA
5.5 V
±0.25
±2.5
±2.5
mA
4
40
40
mA
10
pF
II
VI = 5.5 V or GND
IOZ
VO = VCC or GND,
VI (OE) = VIL or VIH
ICC
VI = VCC or GND,
Ci
VI = VCC or GND
5V
2
Co
VO = VCC or GND
5V
3.5
IO = 0
MAX
SN74AHC244
MIN
5.5 V
10
pF
* On products compliant to MIL-PRF-38535, this parameter is not production tested at VCC = 0 V.
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
3
SN54AHC244, SN74AHC244
OCTAL BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCLS226J − OCTOBER 1995 − REVISED JULY 2003
switching characteristics over recommended operating free-air temperature range,
VCC = 3.3 V ± 0.3 V (unless otherwise noted) (see Figure 1)
PARAMETER
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
A
Y
CL = 15 pF
OE
Y
CL = 15 pF
OE
Y
CL = 15 pF
A
Y
CL = 50 pF
OE
Y
CL = 50 pF
OE
Y
CL = 50 pF
tsk(o)
∗
TA = 25°C
MIN
SN54AHC244
SN74AHC244
TYP
MAX
MIN
MAX
MIN
MAX
5.8*
8.4*
1*
10*
1
10
5.8*
8.4*
1*
10*
1
10
6.6*
10.6*
1*
12.5*
1
12.5
6.6*
10.6*
1*
12.5*
1
12.5
5*
9.7*
1*
11*
1
11
5*
9.7*
1*
11*
1
11
8.3
11.9
1
13.5
1
13.5
8.3
11.9
1
13.5
1
13.5
9.1
14.1
1
16
1
16
9.1
14.1
1
16
1
16
10.3
14
1
16
1
16
10.3
14
1
16
1
16
CL = 50 pF
1.5**
1.5
UNIT
ns
ns
ns
ns
ns
ns
ns
On products compliant to MIL-PRF-38535, this parameter is not production tested.
On products compliant to MIL-PRF-38535, this parameter does not apply.
∗∗
switching characteristics over recommended operating free-air temperature range,
VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1)
PARAMETER
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
tsk(o)
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
A
Y
CL = 15 pF
OE
Y
CL = 15 pF
OE
Y
CL = 15 pF
A
Y
CL = 50 pF
OE
Y
CL = 50 pF
OE
Y
CL = 50 pF
TA = 25°C
MIN
MAX
MIN
MAX
MIN
MAX
3.9*
5.5*
1*
6.5*
1
6.5
3.9*
5.5*
1*
6.5*
1
6.5
4.7*
7.3*
1*
8.5*
1
8.5
4.7*
7.3*
1*
8.5*
1
8.5
5*
7.2*
1*
8.5*
1
8.5
5*
7.2*
1*
8.5*
1
8.5
5.4
7.5
1
8.5
1
8.5
5.4
7.5
1
8.5
1
8.5
6.2
9.3
1
10.5
1
10.5
6.2
9.3
1
10.5
1
10.5
6.7
9.2
1
10.5
1
10.5
6.7
9.2
1
10.5
1
10.5
CL = 50 pF
1**
On products compliant to MIL-PRF-38535, this parameter is not production tested.
∗∗ On products compliant to MIL-PRF-38535, this parameter does not apply.
POST OFFICE BOX 655303
SN74AHC244
TYP
∗
4
SN54AHC244
• DALLAS, TEXAS 75265
1
UNIT
ns
ns
ns
ns
ns
ns
ns
SN54AHC244, SN74AHC244
OCTAL BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCLS226J − OCTOBER 1995 − REVISED JULY 2003
noise characteristics, VCC = 5 V, CL = 50 pF, TA = 25°C (see Note 4)
SN74AHC244
PARAMETER
MIN
TYP
MAX
UNIT
VOL(P)
Quiet output, maximum dynamic VOL
0.5
V
VOL(V)
Quiet output, minimum dynamic VOL
−0.2
V
VOH(V)
Quiet output, minimum dynamic VOH
4.8
V
VIH(D)
High-level dynamic input voltage
VIL(D)
Low-level dynamic input voltage
3.5
V
1.5
V
TYP
UNIT
8.6
pF
NOTE 4: Characteristics are for surface-mount packages only.
operating characteristics, VCC = 5 V, TA = 25°C
PARAMETER
Cpd
TEST CONDITIONS
Power dissipation capacitance
No load,
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
f = 1 MHz
5
SN54AHC244, SN74AHC244
OCTAL BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCLS226J − OCTOBER 1995 − REVISED JULY 2003
PARAMETER MEASUREMENT INFORMATION
VCC
From Output
Under Test
RL = 1 kΩ
From Output
Under Test
Test
Point
S1
Open
TEST
GND
CL
(see Note A)
CL
(see Note A)
S1
tPLH/tPHL
tPLZ/tPZL
tPHZ/tPZH
Open Drain
Open
VCC
GND
VCC
LOAD CIRCUIT FOR
3-STATE AND OPEN-DRAIN OUTPUTS
LOAD CIRCUIT FOR
TOTEM-POLE OUTPUTS
VCC
50% VCC
Timing Input
tw
tsu
VCC
50% VCC
50% VCC
Input
0V
th
VCC
50% VCC
Data Input
50% VCC
0V
0V
VOLTAGE WAVEFORMS
PULSE DURATION
VOLTAGE WAVEFORMS
SETUP AND HOLD TIMES
VCC
50% VCC
Input
50% VCC
0V
tPLH
tPHL
VOH
In-Phase
Output
50% VCC
tPHL
Out-of-Phase
Output
50% VCC
VOL
Output
Waveform 1
S1 at VCC
(see Note B)
50% VCC
VOH
50% VCC
VOL
tPLZ
≈VCC
50% VCC
Output
Waveform 2
S1 at GND
(see Note B)
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
INVERTING AND NONINVERTING OUTPUTS
50% VCC
0V
tPZL
tPZH
tPLH
50% VCC
VCC
Output
Control
VOL + 0.3 V
VOL
tPHZ
50% VCC
VOH − 0.3 V
VOH
≈0 V
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES
LOW- AND HIGH-LEVEL ENABLING
NOTES: A. CL includes probe and jig 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. All input pulses are supplied by generators having the following characteristics: PRR ≤ 1 MHz, ZO = 50 Ω, tr ≤ 3 ns, tf ≤ 3 ns.
D. The outputs are measured one at a time with one input transition per measurement.
E. All parameters and waveforms are not applicable to all devices.
Figure 1. Load Circuit and Voltage Waveforms
6
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
PACKAGE OPTION ADDENDUM
www.ti.com
27-May-2010
PACKAGING INFORMATION
Orderable Device
Status
(1)
Package Type Package
Drawing
Pins
Package Qty
Eco Plan
(2)
Lead/
Ball Finish
MSL Peak Temp
(3)
Samples
(Requires Login)
5962-9678201Q2A
ACTIVE
LCCC
FK
20
1
TBD
POST-PLATE N / A for Pkg Type
Purchase Samples
5962-9678201QRA
ACTIVE
CDIP
J
20
1
TBD
A42
N / A for Pkg Type
Purchase Samples
5962-9678201QSA
ACTIVE
CFP
W
20
1
TBD
Call TI
N / A for Pkg Type
Purchase Samples
5962-9678201SA
ACTIVE
CFP
W
20
TBD
Call TI
Call TI
Purchase Samples
5962-9678201VRA
ACTIVE
CDIP
J
20
1
TBD
A42
N / A for Pkg Type
Purchase Samples
1
TBD
Call TI
N / A for Pkg Type
TBD
Call TI
Call TI
Samples Not Available
5962-9678201VSA
ACTIVE
CFP
W
20
SN74AHC244DBLE
OBSOLETE
SSOP
DB
20
SN74AHC244DBR
ACTIVE
SSOP
DB
20
2000
Green (RoHS
& no Sb/Br)
CU NIPDAU Level-1-260C-UNLIM
Contact TI Distributor
or Sales Office
SN74AHC244DBRE4
ACTIVE
SSOP
DB
20
2000
Green (RoHS
& no Sb/Br)
CU NIPDAU Level-1-260C-UNLIM
Contact TI Distributor
or Sales Office
SN74AHC244DBRG4
ACTIVE
SSOP
DB
20
2000
Green (RoHS
& no Sb/Br)
CU NIPDAU Level-1-260C-UNLIM
Contact TI Distributor
or Sales Office
SN74AHC244DGVR
ACTIVE
TVSOP
DGV
20
2000
Green (RoHS
& no Sb/Br)
CU NIPDAU Level-1-260C-UNLIM
Contact TI Distributor
or Sales Office
SN74AHC244DGVRE4
ACTIVE
TVSOP
DGV
20
2000
Green (RoHS
& no Sb/Br)
CU NIPDAU Level-1-260C-UNLIM
Contact TI Distributor
or Sales Office
SN74AHC244DGVRG4
ACTIVE
TVSOP
DGV
20
2000
Green (RoHS
& no Sb/Br)
CU NIPDAU Level-1-260C-UNLIM
Contact TI Distributor
or Sales Office
SN74AHC244DW
ACTIVE
SOIC
DW
20
25
Green (RoHS
& no Sb/Br)
CU NIPDAU Level-1-260C-UNLIM
Purchase Samples
SN74AHC244DWE4
ACTIVE
SOIC
DW
20
25
Green (RoHS
& no Sb/Br)
CU NIPDAU Level-1-260C-UNLIM
Purchase Samples
SN74AHC244DWG4
ACTIVE
SOIC
DW
20
25
Green (RoHS
& no Sb/Br)
CU NIPDAU Level-1-260C-UNLIM
Purchase Samples
SN74AHC244DWR
ACTIVE
SOIC
DW
20
2000
Green (RoHS
& no Sb/Br)
CU NIPDAU Level-1-260C-UNLIM
Contact TI Distributor
or Sales Office
SN74AHC244DWRE4
ACTIVE
SOIC
DW
20
2000
Green (RoHS
& no Sb/Br)
CU NIPDAU Level-1-260C-UNLIM
Contact TI Distributor
or Sales Office
SN74AHC244DWRG4
ACTIVE
SOIC
DW
20
2000
Green (RoHS
& no Sb/Br)
CU NIPDAU Level-1-260C-UNLIM
Contact TI Distributor
or Sales Office
SN74AHC244N
ACTIVE
PDIP
N
20
20
Pb-Free (RoHS)
CU NIPDAU N / A for Pkg Type
Contact TI Distributor
or Sales Office
Addendum-Page 1
Purchase Samples
PACKAGE OPTION ADDENDUM
www.ti.com
Orderable Device
27-May-2010
Status
(1)
Package Type Package
Drawing
Pins
Package Qty
Eco Plan
(2)
Lead/
Ball Finish
MSL Peak Temp
(3)
Samples
(Requires Login)
SN74AHC244NE4
ACTIVE
PDIP
N
20
20
Pb-Free (RoHS)
SN74AHC244NSR
ACTIVE
SO
NS
20
2000
Green (RoHS
& no Sb/Br)
CU NIPDAU Level-1-260C-UNLIM
Purchase Samples
SN74AHC244NSRE4
ACTIVE
SO
NS
20
2000
Green (RoHS
& no Sb/Br)
CU NIPDAU Level-1-260C-UNLIM
Purchase Samples
SN74AHC244NSRG4
ACTIVE
SO
NS
20
2000
Green (RoHS
& no Sb/Br)
CU NIPDAU Level-1-260C-UNLIM
Purchase Samples
SN74AHC244PW
ACTIVE
TSSOP
PW
20
70
Green (RoHS
& no Sb/Br)
CU NIPDAU Level-1-260C-UNLIM
Purchase Samples
SN74AHC244PWE4
ACTIVE
TSSOP
PW
20
70
Green (RoHS
& no Sb/Br)
CU NIPDAU Level-1-260C-UNLIM
Purchase Samples
SN74AHC244PWG4
ACTIVE
TSSOP
PW
20
70
Green (RoHS
& no Sb/Br)
CU NIPDAU Level-1-260C-UNLIM
Purchase Samples
SN74AHC244PWLE
OBSOLETE
TSSOP
PW
20
Call TI
Samples Not Available
SN74AHC244PWR
ACTIVE
TSSOP
PW
20
2000
Green (RoHS
& no Sb/Br)
CU NIPDAU Level-1-260C-UNLIM
Contact TI Distributor
or Sales Office
SN74AHC244PWRE4
ACTIVE
TSSOP
PW
20
2000
Green (RoHS
& no Sb/Br)
CU NIPDAU Level-1-260C-UNLIM
Contact TI Distributor
or Sales Office
SN74AHC244PWRG3
PREVIEW
TSSOP
PW
20
2000
TBD
SN74AHC244PWRG4
ACTIVE
TSSOP
PW
20
2000
Green (RoHS
& no Sb/Br)
SNJ54AHC244FK
ACTIVE
LCCC
FK
20
1
TBD
SNJ54AHC244J
ACTIVE
CDIP
J
20
1
TBD
A42
N / A for Pkg Type
Contact TI Distributor
or Sales Office
SNJ54AHC244W
ACTIVE
CFP
W
20
1
TBD
Call TI
N / A for Pkg Type
Contact TI Distributor
or Sales Office
TBD
(1)
CU NIPDAU N / A for Pkg Type
Call TI
Call TI
Call TI
Samples Not Available
CU NIPDAU Level-1-260C-UNLIM
Contact TI Distributor
or Sales Office
POST-PLATE N / A for Pkg Type
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.
OBSOLETE: TI has discontinued the production of the device.
Addendum-Page 2
Contact TI Distributor
or Sales Office
Contact TI Distributor
or Sales Office
PACKAGE OPTION ADDENDUM
www.ti.com
27-May-2010
(2)
Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest availability
information and additional product content details.
TBD: The Pb-Free/Green conversion plan has not been defined.
Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that
lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.
Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between
the die and leadframe. The component is otherwise considered Pb-Free (RoHS compatible) as defined above.
Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame retardants (Br or Sb do not exceed 0.1% by weight
in homogeneous material)
(3)
MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature.
Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information
provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and
continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals.
TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release.
In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI to Customer on an annual basis.
OTHER QUALIFIED VERSIONS OF SN54AHC244, SN54AHC244-SP, SN74AHC244 :
• Catalog: SN74AHC244, SN54AHC244
• Automotive: SN74AHC244-Q1, SN74AHC244-Q1
• Enhanced Product: SN74AHC244-EP, SN74AHC244-EP
• Military: SN54AHC244
• Space: SN54AHC244-SP
NOTE: Qualified Version Definitions:
• Catalog - TI's standard catalog product
• Automotive - Q100 devices qualified for high-reliability automotive applications targeting zero defects
• Enhanced Product - Supports Defense, Aerospace and Medical Applications
Addendum-Page 3
PACKAGE OPTION ADDENDUM
www.ti.com
27-May-2010
• Military - QML certified for Military and Defense Applications
• Space - Radiation tolerant, ceramic packaging and qualified for use in Space-based application
Addendum-Page 4
PACKAGE MATERIALS INFORMATION
www.ti.com
5-Aug-2008
TAPE AND REEL INFORMATION
*All dimensions are nominal
Device
Package Package Pins
Type Drawing
SPQ
Reel
Reel
Diameter Width
(mm) W1 (mm)
A0 (mm)
B0 (mm)
K0 (mm)
P1
(mm)
W
Pin1
(mm) Quadrant
8.2
7.5
2.5
12.0
16.0
Q1
SN74AHC244DBR
SSOP
DB
20
2000
330.0
16.4
SN74AHC244DGVR
TVSOP
DGV
20
2000
330.0
12.4
7.0
5.6
1.6
8.0
12.0
Q1
SN74AHC244DWR
SOIC
DW
20
2000
330.0
24.4
10.8
13.0
2.7
12.0
24.0
Q1
SN74AHC244NSR
SO
NS
20
2000
330.0
24.4
8.2
13.0
2.5
12.0
24.0
Q1
SN74AHC244PWR
TSSOP
PW
20
2000
330.0
16.4
6.95
7.1
1.6
8.0
16.0
Q1
Pack Materials-Page 1
PACKAGE MATERIALS INFORMATION
www.ti.com
5-Aug-2008
*All dimensions are nominal
Device
Package Type
Package Drawing
Pins
SPQ
Length (mm)
Width (mm)
Height (mm)
SN74AHC244DBR
SSOP
DB
20
2000
346.0
346.0
33.0
SN74AHC244DGVR
TVSOP
DGV
20
2000
346.0
346.0
29.0
SN74AHC244DWR
SOIC
DW
20
2000
346.0
346.0
41.0
SN74AHC244NSR
SO
NS
20
2000
346.0
346.0
41.0
SN74AHC244PWR
TSSOP
PW
20
2000
346.0
346.0
33.0
Pack Materials-Page 2
MECHANICAL DATA
MLCC006B – OCTOBER 1996
FK (S-CQCC-N**)
LEADLESS CERAMIC CHIP CARRIER
28 TERMINAL SHOWN
18
17
16
15
14
13
NO. OF
TERMINALS
**
12
19
11
20
10
A
B
MIN
MAX
MIN
MAX
20
0.342
(8,69)
0.358
(9,09)
0.307
(7,80)
0.358
(9,09)
28
0.442
(11,23)
0.458
(11,63)
0.406
(10,31)
0.458
(11,63)
21
9
22
8
44
0.640
(16,26)
0.660
(16,76)
0.495
(12,58)
0.560
(14,22)
23
7
52
0.739
(18,78)
0.761
(19,32)
0.495
(12,58)
0.560
(14,22)
24
6
68
0.938
(23,83)
0.962
(24,43)
0.850
(21,6)
0.858
(21,8)
84
1.141
(28,99)
1.165
(29,59)
1.047
(26,6)
1.063
(27,0)
B SQ
A SQ
25
5
26
27
28
1
2
3
4
0.080 (2,03)
0.064 (1,63)
0.020 (0,51)
0.010 (0,25)
0.020 (0,51)
0.010 (0,25)
0.055 (1,40)
0.045 (1,14)
0.045 (1,14)
0.035 (0,89)
0.045 (1,14)
0.035 (0,89)
0.028 (0,71)
0.022 (0,54)
0.050 (1,27)
4040140 / D 10/96
NOTES: A.
B.
C.
D.
E.
All linear dimensions are in inches (millimeters).
This drawing is subject to change without notice.
This package can be hermetically sealed with a metal lid.
The terminals are gold plated.
Falls within JEDEC MS-004
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
MECHANICAL DATA
MPDS006C – FEBRUARY 1996 – REVISED AUGUST 2000
DGV (R-PDSO-G**)
PLASTIC SMALL-OUTLINE
24 PINS SHOWN
0,40
0,23
0,13
24
13
0,07 M
0,16 NOM
4,50
4,30
6,60
6,20
Gage Plane
0,25
0°–8°
1
0,75
0,50
12
A
Seating Plane
0,15
0,05
1,20 MAX
PINS **
0,08
14
16
20
24
38
48
56
A MAX
3,70
3,70
5,10
5,10
7,90
9,80
11,40
A MIN
3,50
3,50
4,90
4,90
7,70
9,60
11,20
DIM
4073251/E 08/00
NOTES: A.
B.
C.
D.
All linear dimensions are in millimeters.
This drawing is subject to change without notice.
Body dimensions do not include mold flash or protrusion, not to exceed 0,15 per side.
Falls within JEDEC: 24/48 Pins – MO-153
14/16/20/56 Pins – MO-194
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
MECHANICAL DATA
MSSO002E – JANUARY 1995 – REVISED DECEMBER 2001
DB (R-PDSO-G**)
PLASTIC SMALL-OUTLINE
28 PINS SHOWN
0,38
0,22
0,65
28
0,15 M
15
0,25
0,09
8,20
7,40
5,60
5,00
Gage Plane
1
14
0,25
A
0°–ā8°
0,95
0,55
Seating Plane
2,00 MAX
0,10
0,05 MIN
PINS **
14
16
20
24
28
30
38
A MAX
6,50
6,50
7,50
8,50
10,50
10,50
12,90
A MIN
5,90
5,90
6,90
7,90
9,90
9,90
12,30
DIM
4040065 /E 12/01
NOTES: A.
B.
C.
D.
All linear dimensions are in millimeters.
This drawing is subject to change without notice.
Body dimensions do not include mold flash or protrusion not to exceed 0,15.
Falls within JEDEC MO-150
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
MECHANICAL DATA
MTSS001C – JANUARY 1995 – REVISED FEBRUARY 1999
PW (R-PDSO-G**)
PLASTIC SMALL-OUTLINE PACKAGE
14 PINS SHOWN
0,30
0,19
0,65
14
0,10 M
8
0,15 NOM
4,50
4,30
6,60
6,20
Gage Plane
0,25
1
7
0°– 8°
A
0,75
0,50
Seating Plane
0,15
0,05
1,20 MAX
PINS **
0,10
8
14
16
20
24
28
A MAX
3,10
5,10
5,10
6,60
7,90
9,80
A MIN
2,90
4,90
4,90
6,40
7,70
9,60
DIM
4040064/F 01/97
NOTES: A.
B.
C.
D.
All linear dimensions are in millimeters.
This drawing is subject to change without notice.
Body dimensions do not include mold flash or protrusion not to exceed 0,15.
Falls within JEDEC MO-153
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
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