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SN74LVC652ADB PDF预览

SN74LVC652ADB

更新时间： 2024-11-18 23:06:23
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德州仪器 - TI 总线收发器输出元件
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13页 198K
描述
OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS

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SN74LVC652ADB 数据手册

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SN54LVC652A, SN74LVC652A  
OCTAL BUS TRANSCEIVERS AND REGISTERS  
WITH 3-STATE OUTPUTS  
SCAS303H – JANUARY 1993 – REVISED AUGUST 1998  
SN74LVC652A . . . DB, DW, OR PW PACKAGE  
(TOP VIEW)  
EPIC (Enhanced-Performance Implanted  
CMOS) Submicron Process  
Typical V  
< 0.8 V at V  
(Output Ground Bounce)  
OLP  
CLKAB  
SAB  
OEAB  
A1  
V
CC  
1
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
= 3.3 V, T = 25°C  
CC  
A
CLKBA  
SBA  
OEBA  
B1  
2
Typical V  
> 2 V at V  
(Output V  
Undershoot)  
3
OHV  
OH  
= 3.3 V, T = 25°C  
4
CC  
A
A2  
5
Support Mixed-Mode Signal Operation on  
All Ports (5-V Input/Output Voltage With  
A3  
B2  
6
A4  
B3  
3.3-V V  
)
7
CC  
A5  
B4  
8
ESD Protection Exceeds 2000 V Per  
MIL-STD-883, Method 3015; Exceeds 200 V  
Using Machine Model (C = 200 pF, R = 0)  
A6  
B5  
9
A7  
B6  
10  
11  
A8  
B7  
Package Options Include Plastic  
GND 12  
13 B8  
Small-Outline (DW), Shrink Small-Outline  
(DB), Thin Shrink Small-Outline (PW)  
Packages, and Ceramic Chip Carriers (FK)  
SN54LVC652A . . . FK PACKAGE  
(TOP VIEW)  
description  
The SN54LVC652A octal bus transceiver and  
register is designed for 2.7-V to 3.6-V V  
CC  
operation, and the SN74LVC652A octal bus  
transceiver and register is designed for 1.65-V to  
4
3
2
1
28 27 26  
25  
5
6
7
8
9
A1  
A2  
A2  
NC  
A4  
OEBA  
B1  
B2  
NC  
B3  
B4  
24  
23  
22  
21  
20  
19  
3.6-V V  
operation.  
CC  
These devices consist of bus transceiver circuits,  
D-type flip-flops, and control circuitry arranged for  
multiplexed transmission of data directly from the  
data bus or from the internal storage registers.  
A5 10  
A6 11  
B5  
12 13 14 15 16 17 18  
Output-enable (OEAB and OEBA) inputs are  
provided to control the transceiver functions.  
Select-control (SAB and SBA) inputs are provided  
to select whether real-time or stored data is  
transferred. The circuitry used for select control  
eliminates the typical decoding glitch that occurs  
NC – No internal connection  
in a multiplexer during the transition between stored and real-time data. A low input selects real-time data, and  
a high input selects stored data. Figure 1 illustrates the four fundamental bus-management functions that are  
performed with the ’LVC652A.  
Data on the A or B data bus, or both, is stored in the internal D-type flip-flops by low-to-high transitions at the  
appropriate clock (CLKAB or CLKBA) inputs, regardless of the select- or enable-control pins. When SAB and  
SBA are in the real-time transfer mode, it is possible to store data without using the internal D-type flip-flops by  
simultaneously enabling OEAB and OEBA. In this configuration, each output reinforces its input. When all other  
data sources to the two sets of bus lines are at high impedance, each set of bus lines remains at its last state.  
Inputs can be driven from either 3.3-V or 5-V devices. This feature allows the use of these devices as translators  
in a mixed 3.3-V/5-V system environment.  
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 is a trademark of Texas Instruments Incorporated.  
Copyright 1998, Texas Instruments Incorporated  
On products compliant to MIL-PRF-38535, all parameters are tested  
unless otherwise noted. On all other products, production  
processing does not necessarily include testing of all parameters.  
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...13

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SN74LVC652ADBRE4 TI

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 		IC LVC/LCX/Z SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24, GREEN, PLASTIC, SS
SN74LVC652ADBRG4 TI

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SN74LVC652ADGVR TI

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 		LVC/LCX/Z SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24
SN74LVC652ADW TI

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 		OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS
SN74LVC652ADWG4 TI

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 		LVC/LCX/Z SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24, GREEN, PLASTIC, SOIC-
SN74LVC652ADWR TI

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 		暂无描述
SN74LVC652ADWRE4 TI

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 		LVC/LCX/Z SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24, GREEN, PLASTIC, SOIC-
SN74LVC652ANSR TI

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 		LVC/LCX/Z SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24, GREEN, PLASTIC, SOP-2
SN74LVC652ANSRE4 TI

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 		LVC/LCX/Z SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24, GREEN, PLASTIC, SOP-2

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