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SN74ALVCH16835 PDF预览

SN74ALVCH16835

更新时间: 2024-11-16 23:09:43
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德州仪器 - TI 总线驱动器输出元件
页数 文件大小 规格书
10页 138K
描述
18-BIT UNIVERSAL BUS DRIVER WITH 3-STATE OUTPUTS

SN74ALVCH16835 数据手册

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SN74ALVCH16835  
18-BIT UNIVERSAL BUS DRIVER  
WITH 3-STATE OUTPUTS  
SCES053E – SEPTEMBER 1995 – REVISED FEBRUARY 1999  
DGG, DGV, OR DL PACKAGE  
(TOP VIEW)  
Member of the Texas Instruments  
Widebus Family  
EPIC (Enhanced-Performance Implanted  
CMOS) Submicron Process  
1
56  
55  
54  
53  
52  
51  
50  
49  
48  
47  
46  
45  
44  
43  
42  
41  
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
NC  
NC  
Y1  
GND  
Y2  
Y3  
GND  
NC  
A1  
GND  
A2  
A3  
2
ESD Protection Exceeds 2000 V Per  
MIL-STD-883, Method 3015; Exceeds 200 V  
Using Machine Model (C = 200 pF, R = 0)  
3
4
5
Latch-Up Performance Exceeds 250 mA Per  
JESD 17  
6
7
V
V
CC  
Y4  
CC  
8
A4  
A5  
A6  
GND  
A7  
Bus Hold on Data Inputs Eliminates the  
Need for External Pullup/Pulldown  
Resistors  
9
Y5  
Y6  
GND  
Y7  
Y8  
Y9  
Y10  
Y11  
Y12  
GND  
Y13  
Y14  
Y15  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
Package Options Include Plastic Shrink  
Small-Outline (DL), Thin Shrink  
Small-Outline (DGG), and Thin Very  
Small-Outline (DGV) Packages  
A8  
A9  
A10  
A11  
A12  
GND  
A13  
A14  
A15  
description  
This 18-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 high. 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.  
V
V
CC  
CC  
Y16  
Y17  
GND  
Y18  
OE  
A16  
A17  
GND  
A18  
CLK  
GND  
LE  
To ensure the high-impedance state during power  
up or power down, OE should be tied to V  
CC  
NC – No internal connection  
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 SN74ALVCH16835 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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