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SN74ALVCH162832

更新时间: 2024-09-15 23:09:43
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德州仪器 - TI 驱动器输出元件双倍数据速率
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9页 130K
描述
1-BIT TO 4-BIT ADDRESS REGISTER/DRIVER WITH 3-STATE OUTPUTS

SN74ALVCH162832 数据手册

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SN74ALVCH162832  
1-BIT TO 4-BIT ADDRESS REGISTER/DRIVER  
WITH 3-STATE OUTPUTS  
SCAS588F – MAY 1997 – REVISED JUNE 1999  
DGG PACKAGE  
(TOP VIEW)  
Member of the Texas Instruments  
Widebus Family  
EPIC (Enhanced-Performance Implanted  
CMOS) Submicron Process  
1
64  
63  
62  
61  
60  
59  
58  
57  
56  
55  
54  
53  
52  
51  
50  
49  
48  
47  
46  
45  
44  
43  
42  
41  
40  
39  
38  
37  
36  
35  
34  
33  
4Y1  
3Y1  
GND  
2Y1  
1Y2  
2Y2  
GND  
3Y2  
4Y2  
2
Output Ports Have Equivalent 26-Series  
Resistors, So No External Resistors Are  
Required  
3
4
5
1Y1  
ESD Protection Exceeds 2000 V Per  
MIL-STD-883, Method 3015; Exceeds 200 V  
Using Machine Model (C = 200 pF, R = 0)  
6
V
V
CC  
A1  
CC  
7
1Y3  
2Y3  
GND  
3Y3  
4Y3  
GND  
8
GND  
A2  
GND  
A3  
9
Latch-Up Performance Exceeds 250 mA Per  
JESD 17  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
Bus Hold on Data Inputs Eliminates the  
Need for External Pullup/Pulldown  
Resistors  
V
CC  
NC  
GND  
CLK  
OE1  
OE2  
SEL  
GND  
A4  
V
CC  
GND  
1Y4  
2Y4  
3Y4  
4Y4  
GND  
1Y5  
2Y5  
Packaged in Thin Shrink Small-Outline  
Package  
NOTE: For tape and reel order entry:  
The DGGR package is abbreviated to GR.  
description  
This 1-bit to 4-bit address register/driver is  
A5  
designed for 1.65-V to 3.6-V V  
operation.  
CC  
V
V
CC  
CC  
This device is ideal for use in applications in which  
a single address bus is driving four separate  
memory locations. The SN74ALVCH162832 can  
be used as a buffer or a register, depending on the  
logic level of the select (SEL) input.  
GND  
A6  
GND  
A7  
3Y5  
4Y5  
GND  
GND  
V
V
CC  
CC  
4Y7  
3Y7  
GND  
2Y7  
1Y7  
1Y6  
2Y6  
GND  
3Y6  
4Y6  
WhenSELisalogichigh, thedeviceisinthebuffer  
mode. The outputs follow the inputs and are  
controlled by the two output-enable (OE) inputs.  
Each OE controls two groups of seven outputs.  
When SEL is a logic low, the device is in the  
register mode. The register is an edge-triggered  
D-type flip-flop. On the positive transition of the  
clock (CLK) input, data at the A inputs is stored in  
the internal registers. OE controls operate the  
same as in the buffer mode.  
NC – No internal connection  
When OE is a logic low, the outputs are in a normal logic state (high or low logic level). When OE is a logic high,  
the outputs are in the high-impedance state.  
Neither SEL nor OE affect the internal operation of the flip-flops. Old data can be retained or new data can be  
entered while the outputs are in the high-impedance state.  
The outputs, which are designed to sink up to 12 mA, include equivalent 26-resistors to reduce overshoot  
and undershoot.  
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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