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SN74ALVCH16600 PDF预览

SN74ALVCH16600

更新时间: 2024-11-08 23:09:43
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德州仪器 - TI 总线收发器输出元件
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10页 145K
描述
18-BIT UNIVERSAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS

SN74ALVCH16600 数据手册

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SN74ALVCH16600  
18-BIT UNIVERSAL BUS TRANSCEIVER  
WITH 3-STATE OUTPUTS  
SCES030E – JULY 1995 – REVISED MAY 2000  
DGG OR DL PACKAGE  
(TOP VIEW)  
Member of the Texas Instruments  
Widebus Family  
EPIC (Enhanced-Performance Implanted  
CMOS) Submicron Process  
OEAB  
LEAB  
A1  
GND  
A2  
1
2
3
4
5
6
7
8
9
56 CLKENAB  
55 CLKAB  
54 B1  
UBT (Universal Bus Transceiver)  
Combines D-Type Latches and D-Type  
Flip-Flops for Operation in Transparent,  
Latched, Clocked, or Clock-Enabled Mode  
53 GND  
52 B2  
A3  
51 B3  
ESD Protection Exceeds 2000 V Per  
MIL-STD-883, Method 3015; Exceeds 200 V  
Using Machine Model (C = 200 pF, R = 0)  
V
50  
V
CC  
A4  
CC  
49 B4  
A5  
48 B5  
Latch-Up Performance Exceeds 250 mA Per  
JESD 17  
A6 10  
47 B6  
GND 11  
A7 12  
46 GND  
45 B7  
Bus Hold on Data Inputs Eliminates the  
Need for External Pullup/Pulldown  
Resistors  
A8 13  
44 B8  
A9 14  
43 B9  
A10 15  
A11 16  
A12 17  
GND 18  
A13 19  
A14 20  
A15 21  
42 B10  
41 B11  
40 B12  
39 GND  
38 B13  
37 B14  
36 B15  
Package Options Include Plastic 300-mil  
Shrink Small-Outline (DL) and Thin Shrink  
Small-Outline (DGG) Packages  
description  
This 18-bit universal bus transceiver is designed  
for 1.65-V to 3.6-V V operation.  
CC  
V
22  
23  
24  
25  
26  
27  
28  
35  
34  
33  
32  
31  
30  
29  
V
CC  
CC  
A16  
A17  
GND  
A18  
OEBA  
LEBA  
B16  
B17  
GND  
B18  
CLKBA  
CLKENBA  
The SN74ALVCH16600 combines D-type latches  
and D-type flip-flops to allow data flow in  
transparent, latched, and clocked modes.  
Data flow in each direction is controlled by  
output-enable (OEAB and OEBA), latch-enable  
(LEAB and LEBA), and clock (CLKAB and  
CLKBA) inputs. The clock can be controlled by the  
clock-enable (CLKENAB and CLKENBA) inputs. For A-to-B data flow, the device operates in the transparent  
mode when LEAB is high. When LEAB is low, the A data is latched if CLKAB is held at a high or low logic level.  
If LEAB is low, the A data is stored in the latch/flip-flop on the high-to-low transition of CLKAB. Output enable  
OEAB is active low. When OEAB is low, the outputs are active. When OEAB is high, the outputs are in the  
high-impedance state.  
Data flow for B to A is similar to that of A to B but uses OEBA, LEBA, CLKBA, and CLKENBA.  
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 SN74ALVCH16600 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, UBT, and Widebus are trademarks of Texas Instruments.  
Copyright 2000, 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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