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SN74ABT16601

更新时间: 2024-11-13 23:06:11
品牌 Logo 应用领域
德州仪器 - TI 总线收发器输出元件
页数 文件大小 规格书
8页 125K
描述
18-BIT UNIVERSAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS

SN74ABT16601 数据手册

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SN54ABT16601, SN74ABT16601  
18-BIT UNIVERSAL BUS TRANSCEIVERS  
WITH 3-STATE OUTPUTS  
SCBS210C – JUNE 1992 – REVISED JANUARY 1997  
SN54ABT16601 . . . WD PACKAGE  
SN74ABT16601 . . . DGG OR DL PACKAGE  
(TOP VIEW)  
Members of the Texas Instruments  
Widebus Family  
State-of-the-Art EPIC-ΙΙB BiCMOS Design  
Significantly Reduces Power Dissipation  
OEAB  
LEAB  
A1  
GND  
A2  
1
56 CLKENAB  
55 CLKAB  
54 B1  
UBT (Universal Bus Transceiver)  
2
Combines D-Type Latches and D-Type  
Flip-Flops for Operation in Transparent,  
Latched, Clocked, or Clock-Enabled Mode  
3
4
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  
GND  
B2  
B3  
5
6
A3  
Latch-Up Performance Exceeds 500 mA Per  
JEDEC Standard JESD-17  
7
V
V
CC  
A4  
CC  
8
B4  
B5  
B6  
GND  
B7  
Typical V  
< 0.8 V at V  
(Output Ground Bounce)  
OLP  
9
A5  
A6  
GND  
A7  
A8  
A9  
A10  
A11  
A12  
GND  
A13  
A14  
A15  
= 5 V, T = 25°C  
CC  
A
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
Flow-Through Architecture Optimizes PCB  
Layout  
Package Options Include Plastic 300-mil  
Shrink Small-Outline (DL) and Thin Shrink  
Small-Outline (DGG) Packages and 380-mil  
Fine-Pitch Ceramic Flat (WD) Package  
Using 25-mil Center-to-Center Spacings  
B8  
B9  
B10  
B11  
B12  
GND  
B13  
B14  
B15  
description  
These 18-bit universal bus transceivers combine  
D-type latches and D-type flip-flops to allow data  
flow in transparent, latched, clocked, and  
clock-enabled modes.  
V
V
CC  
CC  
A16  
A17  
GND  
A18  
OEBA  
LEBA  
B16  
B17  
GND  
B18  
CLKBA  
CLKENBA  
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  
low-to-high 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.  
The SN54ABT16601 is characterized for operation over the full military temperature range of –55°C to 125°C.  
The SN74ABT16601 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.  
Widebus, EPIC-ΙΙB, and UBT are trademarks of Texas Instruments Incorporated.  
Copyright 1997, 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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