參數(shù)資料
型號(hào): SN74ABT648
廠商: Texas Instruments, Inc.
英文描述: Octal Bus Transceivers and Registers With 3-State Outputs(八總線收發(fā)器和寄存器(三態(tài)輸出))
中文描述: 八路總線收發(fā)器和寄存器具有三態(tài)輸出(八總線收發(fā)器和寄存器(三態(tài)輸出))
文件頁(yè)數(shù): 3/9頁(yè)
文件大小: 193K
代理商: SN74ABT648
SN54ABT648, SN74ABT648
OCTAL BUS TRANSCEIVERS AND REGISTERS
WITH 3-STATE OUTPUTS
SCBS466 – JANUARY 1991 – REVISED OCTOBER 1992
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
FUNCTION TABLE
INPUTS
DATA I/O
OPERATION OR FUNCTION
OE
X
DIR
CLKAB
X
H or L
CLKBA
SAB
SBA
A1 THRU A8
B1 THRU B8
Unspecified
X
X
X
X
Input
Store A, B unspecified
Store B, A unspecified
X
X
X
X
Unspecified
Input
H
X
X
X
Input
Input
Store A and B data
H
X
H or L
X
X
Input
Input
Isolation, hold storage
L
L
X
X
X
L
Output
Input
Real-time B data to A Bus
L
L
X
H or L
X
H
Output
Input
Stored B data to A Bus
L
H
X
X
L
X
Input
Output
Real-time A data to B Bus
L
H
H or L
X
H
X
Input
Output
Stored A data to B Bus
The data output functions may be enabled or disabled by various signals at the OE and DIR inputs. Data input functions are always enabled;
i.e., data at the bus pins will be stored on every low-to-high transition of the clock inputs.
logic symbol
B2
19
OE
DIR
G3
3 EN1 [BA]
21
3
3 EN2 [AB]
G5
22
1
2
SBA
A2
5
A3
6
A4
7
A5
8
A6
9
A7
10
A8
11
A1
4
B1
20
4D
B3
18
B4
17
B5
16
B6
15
B7
14
B8
13
23
CLKBA
CLKAB
SAB
G7
5
7
7
5
1
1
6D
1
1
1
2
C6
C4
This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.
Pin numbers shown are for the DW, JT, and NT packages.
P
相關(guān)PDF資料
PDF描述
SN54ABT651FK OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS
SN54ABT651JT OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS
SN74ABT651DB OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS
SN74ABT651PW OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS
SN54ABT651 Octal Bus Transceivers and Registers With 3-State Outputs(八總線收發(fā)器/寄存器(三態(tài)輸出))
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SN74ABT651DBLE 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述:
SN74ABT651DBR 功能描述:總線收發(fā)器 Octal Bus 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
SN74ABT651DBRE4 功能描述:總線收發(fā)器 Octal Bus Trncvr/Reg W/3-State Otpt 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
SN74ABT651DBRG4 功能描述:總線收發(fā)器 Octal Bus Transc And 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
SN74ABT651DW 功能描述:總線收發(fā)器 Octal Bus 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