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SN74ALVCH162835 Datasheet(PDF) 1 Page - Texas Instruments

Part No. SN74ALVCH162835
Description  18-BIT UNIVERSAL BUS DRIVER WITH 3-STATE OUTPUTS
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
Logo TI - Texas Instruments

SN74ALVCH162835 Datasheet(HTML) 1 Page - Texas Instruments

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SN74ALVCH162835
18-BIT UNIVERSAL BUS DRIVER
WITH 3-STATE OUTPUTS
SCES121E – JULY 1997 – REVISED JUNE 1999
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Member of the Texas Instruments
Widebus
™ Family
D EPIC™ (Enhanced-Performance Implanted
CMOS) Submicron Process
D Output Port Has Equivalent 26-Ω Series
Resistors, So No External Resistors Are
Required
D ESD Protection Exceeds 2000 V Per
MIL-STD-883, Method 3015; Exceeds 200 V
Using Machine Model (C = 200 pF, R = 0)
D Latch-Up Performance Exceeds 250 mA Per
JESD 17
D Bus Hold on Data Inputs Eliminates the
Need for External Pullup/Pulldown
Resistors
D Package Options Include Plastic Shrink
Small-Outline (DL), Thin Shrink
Small-Outline (DGG), and Thin Very
Small-Outline (DGV) Packages
NOTE: For tape and reel order entry:
The DGGR package is abbreviated to GR, and
the DGVR package is abbreviated to VR.
description
This 18-bit universal bus driver is designed for
1.65-V to 3.6-V VCC operation.
Data flow from A to Y is controlled by the
output-enable (OE) input. The device operates in
the transparent mode when the latch-enable (LE)
input is high. When LE is low, the A data is latched
if the clock (CLK) input is held at a high or low logic
level. If LE is low, the A data is stored in the
latch/flip-flop on the low-to-high transition of CLK.
When OE is high, the outputs are in the
high-impedance state.
The output port includes equivalent 26-
Ω series resistors to reduce overshoot and undershoot.
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 is provided to hold unused or floating data inputs at a valid logic level.
The SN74ALVCH162835 is characterized for operation from –40
°C to 85°C.
Copyright
© 1999, 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.
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.
EPIC and Widebus are trademarks of Texas Instruments Incorporated.
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NC
NC
Y1
GND
Y2
Y3
VCC
Y4
Y5
Y6
GND
Y7
Y8
Y9
Y10
Y11
Y12
GND
Y13
Y14
Y15
VCC
Y16
Y17
GND
Y18
OE
LE
GND
NC
A1
GND
A2
A3
VCC
A4
A5
A6
GND
A7
A8
A9
A10
A11
A12
GND
A13
A14
A15
VCC
A16
A17
GND
A18
CLK
GND
DGG, DGV, OR DL PACKAGE
(TOP VIEW)
NC – No internal connection


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