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SN74ALVCH16820 PDF预览

SN74ALVCH16820

更新时间： 2024-11-05 23:09:43
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德州仪器 - TI 触发器输出元件
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9页 125K
描述
3.3-V 10-BIT FLIP-FLOP WITH DUAL OUTPUTS AND 3-STATE OUTPUTS

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SN74ALVCH16820 数据手册

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SN74ALVCH16820  
3.3-V 10-BIT FLIP-FLOP WITH DUAL OUTPUTS  
AND 3-STATE OUTPUTS  
SCES035E – JULY 1995 – REVISED FEBRUARY 1999  
DGG OR DL PACKAGE  
(TOP VIEW)  
Member of the Texas Instruments  
Widebus Family  
EPIC (Enhanced-Performance Implanted  
CMOS) Submicron Process  
1OE  
1Q1  
1Q2  
GND  
2Q1  
2Q2  
CLK  
D1  
NC  
GND  
D2  
NC  
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  
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
V
V
7
CC  
CC  
3Q1  
3Q2  
4Q1  
GND  
4Q2  
5Q1  
5Q2  
6Q1  
6Q2  
7Q1  
GND  
7Q2  
8Q1  
8Q2  
D3  
NC  
D4  
GND  
NC  
D5  
NC  
D6  
NC  
D7  
GND  
NC  
D8  
8
Bus Hold on Data Inputs Eliminates the  
Need for External Pullup/Pulldown  
Resistors  
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
Package Options Include Plastic 300-mil  
Shrink Small-Outline (DL) and Thin Shrink  
Small-Outline (DGG) Packages  
description  
This 10-bit flip-flop is designed for 1.65-V to 3.6-V  
operation.  
V
CC  
The flip-flops of the SN74ALVCH16820 are  
edge-triggered D-type flip-flops. On the positive  
transition of the clock (CLK) input, the device  
provides true data at the Q outputs.  
NC  
V
V
CC  
CC  
9Q1  
9Q2  
GND  
10Q1  
10Q2  
2OE  
D9  
NC  
GND  
D10  
NC  
A buffered output-enable (OE) input can be used  
to place the ten outputs in either a normal logic  
state (high or low logic level) or the  
high-impedance state. In the high-impedance  
state, the outputs neither load nor drive the bus  
lines significantly. The high-impedance state and  
increased drive provide the capability to drive bus  
lines without need for interface or pullup  
components.  
NC  
NC – No internal connection  
OE input does not 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.  
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 SN74ALVCH16820 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  
1234567...9

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