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SN74ALVCH162334DLR PDF预览

SN74ALVCH162334DLR

更新时间: 2024-10-02 13:01:51
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德州仪器 - TI 总线驱动器总线收发器逻辑集成电路光电二极管输出元件
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SN74ALVCH162334DLR 数据手册

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SN74ALVCH162334  
16-BIT UNIVERSAL BUS DRIVER  
WITH 3-STATE OUTPUTS  
SCES120F – JULY 1997 – REVISED JUNE 1999  
DGG, DGV, OR DL PACKAGE  
(TOP VIEW)  
Member of the Texas Instruments  
Widebus Family  
EPIC (Enhanced-Performance Implanted  
CMOS) Submicron Process  
1
48  
47  
46  
45  
44  
43  
42  
41  
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
OE  
Y1  
Y2  
GND  
Y3  
Y4  
CLK  
A1  
A2  
GND  
A3  
A4  
2
Output Port Has Equivalent 26-Series  
Resistors, So No External Resistors Are  
Required  
3
4
5
Designed to Comply With JEDEC 168-Pin  
and 200-Pin SDRAM Buffered DIMM  
Specification  
6
7
V
V
CC  
Y5  
CC  
8
A5  
A6  
GND  
A7  
A8  
9
ESD Protection Exceeds 2000 V Per  
MIL-STD-883, Method 3015; Exceeds 200 V  
Using Machine Model (C = 200 pF, R = 0)  
Y6  
GND  
Y7  
Y8  
Y9  
Y10  
GND  
Y11  
Y12  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
Latch-Up Performance Exceeds 250 mA Per  
JESD 17  
A9  
A10  
GND  
A11  
A12  
Bus Hold on Data Inputs Eliminates the  
Need for External Pullup/Pulldown  
Resistors  
Package Options Include Plastic Shrink  
Small-Outline (DL), Thin Shrink  
Small-Outline (DGG), and Thin Very  
V
V
CC  
CC  
Y13  
Y14  
GND  
Y15  
Y16  
NC  
A13  
A14  
GND  
A15  
A16  
LE  
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  
NC – No internal connection  
This 16-bit universal bus driver is designed for  
1.65-V to 3.6-V V  
operation.  
CC  
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 low. When LE is high, the A data is latched if the clock (CLK) input is held at a high or low logic level.  
If LE is high, 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-series resistors to reduce overshoot and undershoot.  
To ensure the high-impedance state during power up or power down, OE should be tied to V through a pullup  
CC  
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 SN74ALVCH162334 is characterized for operation from –40°C to 85°C.  
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.  
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.  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  

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