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參數(shù)資料
| 型號(hào)： | 74ACT11652 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Octal Bus Transceivers And Registers |
| 中文描述： | 八路總線收發(fā)器和寄存器 |
| 文件頁(yè)數(shù)： | 1/8頁(yè) |
| 文件大小： | 202K |
| 代理商： | 74ACT11652 |
74ACT11652
OCTAL BUS TRANSCEIVER AND REGISTER
WITH 3-STATE OUTPUTS
SCAS087A – APRIL 1993 – REVISED APRIL 1996
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Independent Registers and Enables for A
and B Buses
Multiplexed Real-Time and Stored Data
Flow-Through Architecture Optimizes
PCB Layout
Center-Pin V
CC
and GND Configurations
Minimize High-Speed Switching Noise
EPIC (Enhanced-Performance Implanted
CMOS) 1- m Process
500-mA Typical Latch-Up Immunity at
125
°
C
description
This device consists 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.
Enable GAB and GBA are provided to control the
transceiver functions. SAB and SBA control pins
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 in a multiplexer during the transition
between stored and real-time data. A low input
level selects real-time data, and a high selects
stored data. Figure 1 illustrates the four
fundamental bus-management functions that can
be performed with the octal bus transceivers and
registers.
Data on the A or B data bus, or both, can be stored in the internal D flip-flops by low-to-high transitions at the
appropriate clock pins (CAB or CBA), regardless of the select or enable control pins. When SAB and SBA are
in the real-time transfer mode, it is also possible to store data without using the internal D-type flip-flops by
simultaneously enabling GAB and GBA. In this configuration, each output reinforces its input. Thus, 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.
The 74ACT11652 is characterized for operation from –40
°
C to 85
°
C.
Copyright
1996, 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.
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.
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GAB
A1
A2
A3
A4
GND
GND
GND
GND
A5
A6
A7
A8
GBA
CAB
SAB
B1
B2
B3
B4
V
CC
V
CC
B5
B6
B7
B8
CBA
SBA
DW PACKAGE
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| 74ACT11652DW | 功能描述:總線收發(fā)器 Octal Bus Transcvrs & Reg RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時(shí)間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| 74ACT11652DWE4 | 功能描述:總線收發(fā)器 Octal Bus Transcvrs & Reg RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時(shí)間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| 74ACT11652DWG4 | 功能描述:總線收發(fā)器 Octal Bus Trnscvrs RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時(shí)間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| 74ACT11652DWR | 功能描述:總線收發(fā)器 Octal Bus Transcvrs & Reg RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時(shí)間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| 74ACT11652DWRE4 | 功能描述:總線收發(fā)器 Octal Bus Transcvrs & Reg RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時(shí)間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
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