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SN74ALVCH162831

更新时间： 2024-11-17 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 129K
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1-BIT TO 4-BIT ADDRESS REGISTER/DRIVER WITH 3-STATE OUTPUTS

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SN74ALVCH162831 数据手册

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SN74ALVCH162831  
1-BIT TO 4-BIT ADDRESS REGISTER/DRIVER  
WITH 3-STATE OUTPUTS  
SCES084F – AUGUST 1996 – REVISED JUNE 1999  
DBB PACKAGE  
(TOP VIEW)  
Member of the Texas Instruments  
Widebus Family  
EPIC (Enhanced-Performance Implanted  
CMOS) Submicron Process  
4Y1  
3Y1  
GND  
2Y1  
1Y2  
2Y2  
GND  
3Y2  
4Y2  
1
2
3
4
5
6
7
8
9
80  
79  
78  
77  
76  
75  
74  
73  
72  
Output Ports Have Equivalent 26-Ω Series  
Resistors, So No External Resistors Are  
Required  
1Y1  
ESD Protection Exceeds 2000 V Per  
MIL-STD-883, Method 3015; Exceeds 200 V  
Using Machine Model (C = 200 pF, R = 0)  
V
V
CC  
CC  
NC  
A1  
GND  
1Y3  
2Y3  
GND  
Latch-Up Performance Exceeds 250 mA Per  
JESD 17  
NC 10  
71 3Y3  
A2  
GND  
4Y3  
GND  
11  
12  
70  
69  
Bus Hold on Data Inputs Eliminates the  
Need for External Pullup/Pulldown  
Resistors  
NC 13  
A3 14  
68 1Y4  
67 2Y4  
Packaged in Thin Very Small-Outline  
Package  
NOTE: For tape and reel order entry:  
The DBBR package is abbreviated to GR.  
V
15  
66  
V
CC  
CC  
NC 16  
A4 17  
65 3Y4  
64 4Y4  
63 GND  
62 1Y5  
61 2Y5  
60 3Y5  
59 4Y5  
58 GND  
57 1Y6  
56 2Y6  
GND 18  
CLK 19  
OE1 20  
OE2 21  
SEL 22  
GND 23  
A5 24  
description  
This 1-bit to 4-bit address register/driver is  
designed for 1.65-V to 3.6-V V  
operation.  
CC  
The device is ideal for use in applications in which  
a single address bus is driving four separate  
memory locations. The SN74ALVCH162831 can  
be used as a buffer or a register, depending on the  
logic level of the select (SEL) input.  
A6 25  
V
26  
A7 27  
55  
V
CC  
CC  
54 3Y6  
53 4Y6  
52 GND  
51 1Y7  
50 2Y7  
49 GND  
48 3Y7  
47 4Y7  
NC 28  
GND 29  
A8 30  
When SEL is logic high, the device is in the buffer  
mode. The outputs follow the inputs and are  
controlled by the two output-enable (OE) inputs.  
Each OE controls two groups of nine outputs.  
NC 31  
GND 32  
A9 33  
When SEL is 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 set up at the A inputs is stored  
in the internal registers. OE controls operate the  
same as in buffer mode.  
NC 34  
V
35  
46  
V
CC  
CC  
4Y9 36  
3Y9 37  
GND 38  
2Y9 39  
1Y9 40  
45 1Y8  
44 2Y8  
43 GND  
42 3Y8  
41 4Y8  
When OE is logic low, the outputs are in a normal  
logic state (high or low logic level). When OE is  
logic high, the outputs are in the high-impedance  
state.  
NC – No internal connection  
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  
1234567...9

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