DatasheetsPDF.com

32-BIT BUFFER/DRIVER. SN74AUCH32244 Datasheet

DatasheetsPDF.com

32-BIT BUFFER/DRIVER. SN74AUCH32244 Datasheet






SN74AUCH32244 BUFFER/DRIVER. Datasheet pdf. Equivalent




SN74AUCH32244 BUFFER/DRIVER. Datasheet pdf. Equivalent





Part

SN74AUCH32244

Description

32-BIT BUFFER/DRIVER



Feature


www.ti.com FEATURES • Member of the Te xas 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 Part ial-Power-Down Mode Operation • Sub-1 -V Operable • Max tpd of 1.8 ns at 1. 8 V SN74AUCH32244 32-BIT BUFFER/DRIVER WITH 3-STATE OUTPUTS SCES412B – SEPT EMBER 2002 – REVISED JUNE 2005 •.
Manufacture

Texas Instruments

Datasheet
Download SN74AUCH32244 Datasheet


Texas Instruments SN74AUCH32244

SN74AUCH32244; Low Power Consumption, 40-µA Max ICC ±8-mA Output Drive at 1.8 V • Bus Hold on Data Inputs Eliminates the Nee d for External Pullup/Pulldown Resistor s • Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II • ESD Protec tion Exceeds JESD 22 – 2000-V Human-B ody Model (A114-A) – 200-V Machine Mo del (A115-A) – 1000-V Charged-Device Model (C101) DESCRIPTION/ORDERING.


Texas Instruments SN74AUCH32244

INFORMATION This 32-bit buffer/driver i s operational at 0.8-V to 2.7-V VCC, bu t is designed specifically for 1.65-V t o 1.95-V VCC operation. The SN74AUCH322 44 is designed specifically to improve the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmit ters. The device can be used as eight 4 -bit buffers, four.


Texas Instruments SN74AUCH32244

8-bit buffers, two 16-bit buffers, or o ne 32-bit buffer. It provides true outp uts and symmetrical active-low output-e nable (OE) inputs. To ensure the high-i mpedance state during power up or power down, OE should be tied to VCC through a pullup resistor; the minimum value o f the resistor is determined by the cur rent-sinking capability of the driver. Active bus-hold ci.

Part

SN74AUCH32244

Description

32-BIT BUFFER/DRIVER



Feature


www.ti.com FEATURES • Member of the Te xas 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 Part ial-Power-Down Mode Operation • Sub-1 -V Operable • Max tpd of 1.8 ns at 1. 8 V SN74AUCH32244 32-BIT BUFFER/DRIVER WITH 3-STATE OUTPUTS SCES412B – SEPT EMBER 2002 – REVISED JUNE 2005 •.
Manufacture

Texas Instruments

Datasheet
Download SN74AUCH32244 Datasheet




 SN74AUCH32244
www.ti.com
FEATURES
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 1.8 ns at 1.8 V
SN74AUCH32244
32-BIT BUFFER/DRIVER
WITH 3-STATE OUTPUTS
SCES412B – SEPTEMBER 2002 – REVISED JUNE 2005
Low Power Consumption, 40-µA Max ICC
• ±8-mA Output Drive at 1.8 V
Bus Hold on Data Inputs Eliminates the Need
for External Pullup/Pulldown Resistors
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 32-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 SN74AUCH32244 is designed specifically to improve the performance and density of 3-state memory
address drivers, clock drivers, and bus-oriented receivers and transmitters.
The device can be used as eight 4-bit buffers, four 8-bit buffers, two 16-bit buffers, or one 32-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.
Active bus-hold circuitry holds unused or undriven inputs at a valid logic state. Use of pullup or pulldown resistors
with the bus-hold circuitry is not recommended.
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
–40°C to 85°C
ORDERING INFORMATION
PACKAGE (1)
ORDERABLE PART NUMBER
LFBGA – GKE
Tape and reel
SN74AUCH32244GKER
TOP-SIDE MARKING
MK244
(1) 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.
Widebus+ is a trademark of Texas Instruments.
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 © 2002–2005, Texas Instruments Incorporated




 SN74AUCH32244
SN74AUCH32244
32-BIT BUFFER/DRIVER
WITH 3-STATE OUTPUTS
SCES412B – SEPTEMBER 2002 – REVISED JUNE 2005
GKE PACKAGE
(TOP VIEW)
123456
A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
T
1
A
1Y2
B
1Y4
C
2Y2
D
2Y4
E
3Y2
F
3Y4
G
4Y2
H
4Y3
J
5Y2
K
5Y4
L
6Y2
M
6Y4
N
7Y2
P
7Y4
R
8Y2
T
8Y3
TERMINAL ASSIGNMENTS
2
3
4
5
1Y1
1OE
2OE
1A1
1Y3
GND
GND
1A3
2Y1
VCC
VCC
2A1
2Y3
GND
GND
2A3
3Y1
GND
GND
3A1
3Y3
VCC
VCC
3A3
4Y1
GND
GND
4A1
4Y4
4OE
3OE
4A4
5Y1
5OE
6OE
5A1
5Y3
GND
GND
5A3
6Y1
VCC
VCC
6A1
6Y3
GND
GND
6A3
7Y1
GND
GND
7A1
7Y3
VCC
VCC
7A3
8Y1
GND
GND
8A1
8Y4
8OE
7OE
8A4
FUNCTION TABLE
(EACH 4-BIT BUFFER)
INPUTS
OE
A
L
H
L
L
OUTPUT
Y
H
L
2
www.ti.com
6
1A2
1A4
2A2
2A4
3A2
3A4
4A2
4A3
5A2
5A4
6A2
6A4
7A2
7A4
8A2
8A3




 SN74AUCH32244
www.ti.com
SN74AUCH32244
32-BIT BUFFER/DRIVER
WITH 3-STATE OUTPUTS
SCES412B – SEPTEMBER 2002 – REVISED JUNE 2005
FUNCTION TABLE
(EACH 4-BIT BUFFER) (continued)
INPUTS
OE
A
H
X
OUTPUT
Y
Z
3



Recommended third-party SN74AUCH32244 Datasheet






@ 2014 :: Datasheetspdf.com :: Semiconductors datasheet search & download site (Privacy Policy & Contact)