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SN74LVC16652DGG PDF预览

SN74LVC16652DGG

更新时间: 2024-09-07 23:09:43
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描述
16-BIT BUS TRANSCEIVER AND REGISTER WITH 3-STATE OUTPUTS

SN74LVC16652DGG 数据手册

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SN74LVC16652  
16-BIT BUS TRANSCEIVER AND REGISTER  
WITH 3-STATE OUTPUTS  
SCAS319B – NOVEMBER 1993 – REVISED JULY 1995  
DGG 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  
1OEAB  
1CLKAB  
1SAB  
GND  
1OEBA  
1CLKBA  
1SBA  
GND  
1B1  
1B2  
2
Typical V  
< 0.8 V at V  
(Output Ground Bounce)  
OLP  
3
= 3.3 V, T = 25°C  
CC  
A
4
Typical V  
> 2 V at V  
(Output V  
Undershoot)  
OHV  
CC  
OH  
5
1A1  
1A2  
= 3.3 V, T = 25°C  
A
6
Latch-Up Performance Exceeds 250 mA  
Per JEDEC Standard JESD-17  
7
V
V
CC  
CC  
8
1A3  
1A4  
1A5  
GND  
1A6  
1A7  
1A8  
2A1  
2A2  
2A3  
GND  
2A4  
2A5  
2A6  
1B3  
1B4  
1B5  
GND  
1B6  
1B7  
1B8  
2B1  
2B2  
2B3  
GND  
2B4  
2B5  
2B6  
9
Bus Hold on Data Inputs Eliminates the  
Need for External Pullup/Pulldown  
Resistors  
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 16-bit bus transceiver and register is  
designed for low-voltage (3.3-V) V operation.  
CC  
The SN74LVC16652 consists of D-type flip-flops  
and control circuitry arranged for multiplexed  
transmission of data directly from the data bus or  
fromtheinternalstorageregisters. Thedevicecan  
be used as two 8-bit transceivers or one 16-bit  
transceiver.  
V
V
CC  
CC  
2A7  
2A8  
GND  
2SAB  
2B7  
2B8  
GND  
2SBA  
2CLKBA  
2OEBA  
Complementary output-enable (OEAB and  
OEBA) inputs control the transceiver functions.  
Select-control (SAB and SBA) inputs select  
whether real-time or stored data is transferred. A  
2CLKAB  
2OEAB  
low input level selects real-time data, and a high input level selects stored data. The circuitry used for select  
control eliminates the typical decoding glitch that occurs in a multiplexer during the transition between stored  
and real-time data. Figure 1 illustrates the four fundamental bus-management functions that can be performed  
with the SN74LVC16652.  
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 1995, 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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