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SN74AUC16373 Datasheet Preview

SN74AUC16373 Datasheet

16-BIT TRANSPARENT D-TYPE LATCH

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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 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 transparent D-type latch 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 SN74AUC16373 is particularly suitable for
implementing buffer registers, I/O ports, bidirectional
bus drivers, and working registers. The device can be
used as two 8-bit latches or one 16-bit latch. When
the latch-enable (LE) input is high, the Q outputs
follow the data (D) inputs. When LE is taken low, the
Q outputs are latched at the levels set up at the D
inputs.
SN74AUC16373
16-BIT TRANSPARENT D-TYPE LATCH
WITH 3-STATE OUTPUTS
SCES401C – JULY 2002 – REVISED JUNE 2005
DGG OR DGV PACKAGE
(TOP VIEW)
1OE 1
1Q1 2
1Q2 3
GND 4
1Q3 5
1Q4 6
VCC 7
1Q5 8
1Q6 9
GND 10
1Q7 11
1Q8 12
2Q1 13
2Q2 14
GND 15
2Q3 16
2Q4 17
VCC 18
2Q5 19
2Q6 20
GND 21
2Q7 22
2Q8 23
2OE 24
48 1LE
47 1D1
46 1D2
45 GND
44 1D3
43 1D4
42 VCC
41 1D5
40 1D6
39 GND
38 1D7
37 1D8
36 2D1
35 2D2
34 GND
33 2D3
32 2D4
31 VCC
30 2D5
29 2D6
28 GND
27 2D7
26 2D8
25 2LE
A buffered output-enable (OE) input can be used to place the eight outputs in either a normal logic state (high or
low logic levels) or the high-impedance state. In the high-impedance state, the outputs neither load nor drive the
bus lines significantly. The high-impedance state and increased drive provide the capability to drive bus lines
without interface or pullup components.
OE does not affect internal operations of the latch. Old data can be retained or new data can be entered while
the outputs are in the high-impedance state.
TA
–40°C to 85°C
ORDERING INFORMATION
PACKAGE (1)
ORDERABLE PART NUMBER
TSSOP - DGG
Tape and reel
SN74AUC16373DGGR
TVSOP - DGV
Tape and reel
SN74AUC16373DGVR
VFBGA - GQL
Tape and reel
SN74AUC16373GQLR
TOP-SIDE MARKING
AUC16373
MH373
MH373
(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




etcTI

SN74AUC16373 Datasheet Preview

SN74AUC16373 Datasheet

16-BIT TRANSPARENT D-TYPE LATCH

No Preview Available !

SN74AUC16373
16-BIT TRANSPARENT D-TYPE LATCH
WITH 3-STATE OUTPUTS
SCES401C – JULY 2002 – REVISED JUNE 2005
www.ti.com
DESCRIPTION/ORDERING INFORMATION (CONTINUED)
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.
GQL PACKAGE
(TOP VIEW)
12 3 4 5 6
A
B
C
D
E
F
G
H
J
K
TERMINAL ASSIGNMENTS(1)
1
2
3
4
5
6
A 1OE
NC
NC
NC
NC
1LE
B 1Q2
1Q1 GND
GND
1D1
1D2
C 1Q4
1Q3
VCC
VCC
1D3 1D4
D 1Q6
1Q5 GND
GND
1D5
1D6
E 1Q8 1Q7
1D7 1D8
F 2Q1 2Q2
2D2 2D1
G 2Q3
2Q4 GND
GND
2D4
2D3
H 2Q5
2Q6
VCC
VCC
2D6 2D5
J
2Q7
2Q8 GND
GND
2D8
2D7
K 2OE
NC
NC
NC
NC
2LE
(1) NC - No internal connection
FUNCTION TABLE
(EACH LATCH)
INPUTS
OE
LE
D
L
H
H
L
H
L
L
L
X
H
X
X
OUTPUT
Q
H
L
Q0
Z
1
1OE
48
1LE
1D1 47
LOGIC DIAGRAM (POSITIVE LOGIC)
24
2OE
25
2LE
C1
2
C1
1D
1Q1 2D1 36
1D
13
2Q1
To Seven Other Channels
Pin numbers shown are for the DGG and DGV packages.
To Seven Other Channels
2


Part Number SN74AUC16373
Description 16-BIT TRANSPARENT D-TYPE LATCH
Maker etcTI
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