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SN74AUC16244 Datasheet Preview

SN74AUC16244 Datasheet

16-BIT BUFFER/DRIVER

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SN74AUC16244
16-BIT BUFFER/DRIVER
WITH 3-STATE OUTPUTS
SCES399E – JULY 2002 – REVISED FEBRUARY 2008
FEATURES
1
2 Member of the Texas Instruments Widebus™
Family
Optimized for 1.8-V Operation and Is 3.6-V I/O
Tolerant to Support Mixed-Mode Signal
Operation
Ioff Supports Partial-Power-Down Mode
Operation
Sub-1-V Operable
Max tpd of 2 ns at 1.8 V
Low Power Consumption, 20-µA Max ICC
±8-mA Output Drive at 1.8 V
Latch-Up Performance Exceeds 100 mA Per
JESD 78, Class II
ESD Protection Exceeds JESD 22
– 2000-V Human-Body Model (A114-A)
– 200-V Machine Model (A115-A)
– 1000-V Charged-Device Model (C101)
DESCRIPTION/ORDERING INFORMATION
This 16-bit buffer/driver is operational at 0.8-V to
2.7-V VCC, but is designed specifically for 1.65-V to
1.95-V VCC operation.
The SN74AUC16244 is designed specifically to
improve the performance and density of 3-state
memory address drivers, clock drivers, and
bus-oriented receivers and transmitters.
DGG OR DGV PACKAGE
(TOP VIEW)
1OE 1
1Y1 2
1Y2 3
GND 4
1Y3 5
1Y4 6
VCC 7
2Y1 8
2Y2 9
GND 10
2Y3 11
2Y4 12
3Y1 13
3Y2 14
GND 15
3Y3 16
3Y4 17
VCC 18
4Y1 19
4Y2 20
GND 21
4Y3 22
4Y4 23
4OE 24
48 2OE
47 1A1
46 1A2
45 GND
44 1A3
43 1A4
42 VCC
41 2A1
40 2A2
39 GND
38 2A3
37 2A4
36 3A1
35 3A2
34 GND
33 3A3
32 3A4
31 VCC
30 4A1
29 4A2
28 GND
27 4A3
26 4A4
25 3OE
The device can be used as four 4-bit buffers, two 8-bit buffers, or one 16-bit buffer. It provides true outputs and
symmetrical active-low output-enable (OE) inputs.
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.
This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs,
preventing damaging current backflow through the device when it is powered down.
TA
–40C to 85C
ORDERING INFORMATION
PACKAGE (1) (2)
ORDERABLE PART NUMBER
TSSOP – DGG
Tape and reel
SN74AUC16244DGGR
TVSOP – DGV
Tape and reel
SN74AUC16244DGVR
VFBGA – GQL
Tape and reel
SN74AUC16244GQLR
TOP-SIDE MARKING
AUC16244
MH244
MH244
(1) Package drawings, thermal data, and symbolization are available at www.ti.com/packaging.
(2) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI
website at www.ti.com.
1
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.
Widebus is a trademark of Texas Instruments.
2
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2002–2008, Texas Instruments Incorporated




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SN74AUC16244 Datasheet Preview

SN74AUC16244 Datasheet

16-BIT BUFFER/DRIVER

No Preview Available !

SN74AUC16244
16-BIT BUFFER/DRIVER
WITH 3-STATE OUTPUTS
SCES399E – JULY 2002 – REVISED FEBRUARY 2008
GQL PACKAGE
(TOP VIEW)
123456
A
B
C
D
E
F
G
H
J
K
www.ti.com
ABC
ABC
ABC
TERMINAL ASSIGNMENTS(1)
1
2
3
4
5
A 1OE
NC
NC
NC
NC
B 1Y2
1Y1 GND GND
1A1
C 1Y4
D 2Y2
1Y3
VCC
VCC
1A3
2Y1 GND GND
2A1
E 2Y4
2Y3
2A3
F
3Y1
3Y2
3A2
G 3Y3
3Y4 GND GND
3A4
H 4Y1
J
4Y3
4Y2
VCC
VCC
4A2
4Y4 GND GND
4A4
K 4OE
NC
NC
NC
NC
(1) NC - No internal connection
6
2OE
1A2
1A4
2A2
2A4
3A1
3A3
4A1
4A3
3OE
FUNCTION TABLE
(EACH 4-BIT BUFFER)
INPUTS
OE
A
L
H
L
L
H
X
OUTPUT
Y
H
L
Z
2
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Copyright © 2002–2008, Texas Instruments Incorporated
Product Folder Link(s): SN74AUC16244


Part Number SN74AUC16244
Description 16-BIT BUFFER/DRIVER
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SN74AUC16244 Datasheet PDF






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