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SN74LVCZ16245A

更新时间： 2024-11-24 09:12:39
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德州仪器 - TI 总线收发器输出元件
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11页 188K
描述
16-BIT BUS TRANSCEIVER WITH 3-STATE OUTPUTS

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SN74LVCZ16245A 数据手册

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SN74LVCZ16245A  
16-BIT BUS TRANSCEIVER  
WITH 3-STATE OUTPUTS  
SCES278D – JUNE 1999 – REVISED AUGUST 2002  
DGG, DGV, OR DL PACKAGE  
(TOP VIEW)  
Member of the Texas Instruments  
Widebus Family  
Operates From 2.7 V to 3.6 V  
Inputs Accept Voltages to 5.5 V  
1
48  
47  
46  
45  
44  
43  
42  
41  
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
1DIR  
1B1  
1B2  
GND  
1B3  
1B4  
1OE  
1A1  
1A2  
GND  
1A3  
1A4  
2
3
Max t of 3.7 ns at 3.3 V  
pd  
4
I
and Power-Up 3-State Support Hot  
off  
5
Insertion  
6
Supports Mixed-Mode Signal Operation on  
All Ports (5-V Input/Output Voltage With  
7
V
V
CC  
CC  
8
1B5  
1B6  
GND  
1B7  
1B8  
2B1  
2B2  
GND  
2B3  
2B4  
1A5  
1A6  
GND  
1A7  
1A8  
2A1  
2A2  
GND  
2A3  
2A4  
3.3-V V  
)
CC  
9
Latch-Up Performance Exceeds 100 mA Per  
JESD 78, Class II  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
ESD Protection Exceeds JESD 22  
– 2000-V Human-Body Model (A114-A)  
– 1000-V Charged-Device Model (C101)  
description/ordering information  
This 16-bit (dual-octal) noninverting bus  
transceiver is designed for 2.7-V to 3.6-V V  
operation.  
V
V
CC  
CC  
CC  
2B5  
2B6  
GND  
2B7  
2B8  
2A5  
2A6  
GND  
2A7  
2A8  
2OE  
The SN74LVCZ16245A is designed for  
asynchronous communication between data  
buses. The control-function implementation  
minimizes external timing requirements.  
2DIR  
This device can be used as two 8-bit transceivers  
or one 16-bit transceiver. It allows data  
transmission from the A bus to the B bus or from the B bus to the A bus, depending on the logic level at the  
direction-control (DIR) input. The output-enable (OE) input can be used to disable the device so that the buses  
are effectively isolated.  
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.  
When V  
is between 0 and 1.5 V, the device is in the high-impedance state during power up or power down.  
CC  
However, to ensure the high-impedance state above 1.5 V, OE should be tied to V  
the minimum value of the resistor is determined by the current-sinking capability of the driver.  
through a pullup resistor;  
CC  
ORDERING INFORMATION  
ORDERABLE  
PART NUMBER  
TOP-SIDE  
MARKING  
†
PACKAGE  
T
A
Tube  
SN74LVCZ16245ADL  
SSOP – DL  
LVCZ16245A  
Tape and reel  
SN74LVCZ16245ADLR  
SN74LVCZ16245ADGGR  
SN74LVCZ16245ADGVR  
–40°C to 85°C  
TSSOP – DGG Tape and reel  
TVSOP – DGV Tape and reel  
LVCZ16245A  
CW245A  
†
Packagedrawings,standardpackingquantities,thermaldata,symbolization,andPCBdesignguidelines  
are available at www.ti.com/sc/package.  
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.  
Widebus is a trademark of Texas Instruments.  
Copyright 2002, 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...11

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