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SN74LVCH16646A_V01 PDF预览

SN74LVCH16646A_V01

更新时间： 2024-09-17 02:50:55
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德州仪器 - TI 输出元件
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17页 1088K
描述
16-BIT BUS TRANSCEIVER AND REGISTER WITH 3-STATE OUTPUTS

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SN74LVCH16646A_V01 数据手册

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SN74LVCH16646A  
16-BIT BUS TRANSCEIVER AND REGISTER  
WITH 3-STATE OUTPUTS  
www.ti.com  
SCAS318K–NOVEMBER 1993–REVISED MARCH 2005  
FEATURES  
DGG, DGV, OR DL PACKAGE  
(TOP VIEW)  
•
Member of the Texas Instruments Widebus™  
Family  
1
56  
55  
54  
53  
52  
51  
50  
49  
48  
47  
46  
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44  
43  
42  
41  
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
1DIR  
1CLKAB  
1SAB  
GND  
1OE  
•
•
•
•
Operates From 1.65 V to 3.6 V  
Inputs Accept Voltages to 5.5 V  
Max tpd of 5.7 ns at 3.3 V  
2
1CLKBA  
1SBA  
GND  
1B1  
3
4
Typical VOLP (Output Ground Bounce)  
<0.8 V at VCC = 3.3 V, TA = 25°C  
5
1A1  
1A2  
6
1B2  
•
•
Typical VOHV (Output VOH Undershoot)  
>2 V at VCC = 3.3 V, TA = 25°C  
7
V
CC  
V
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
Supports Mixed-Mode Signal Operation on All  
Ports (5-V Input/Output Voltage  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
With 3.3-V VCC  
)
•
•
•
•
Ioff Supports Partial-Power-Down Mode  
Operation  
Bus Hold on Data Inputs Eliminates the Need  
for External Pullup/Pulldown Resistors  
Latch-Up Performance Exceeds 250 mA Per  
JESD 17  
ESD Protection Exceeds JESD 22  
– 2000-V Human-Body Model (A114-A)  
– 200-V Machine Model (A115-A)  
V
CC  
V
CC  
– 1000-V Charged-Device Model (C101)  
2A7  
2A8  
2B7  
2B8  
DESCRIPTION/ORDERING INFORMATION  
GND  
GND  
2SBA  
2CLKBA  
2OE  
This 16-bit bus transceiver and register is designed  
for 1.65-V to 3.6-V VCC operation.  
2SAB  
2CLKAB  
2DIR  
The SN74LVCH16646A can be used as two 8-bit  
transceivers or one 16-bit transceiver. The device  
consists of bus transceiver circuits, D-type flip-flops,  
and control circuitry arranged for multiplexed  
transmission of data directly from the input bus or  
from the internal registers.  
ORDERING INFORMATION  
TA  
PACKAGE(1)  
ORDERABLE PART NUMBER  
SN74LVCH16646ADL  
TOP-SIDE MARKING  
Tube  
SSOP – DL  
LVCH16646A  
Tape and reel  
Tape and reel  
Tape and reel  
SN74LVCH16646ADLR  
SN74LVCH16646ADGGR  
SN74LVCH16646ADGVR  
–40°C to 85°C  
TSSOP – DGG  
TVSOP – DGV  
LVCH16646A  
LDH646A  
(1) Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines 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.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 1993–2005, Texas Instruments Incorporated  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
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