參數(shù)資料
型號(hào): SN74ABT646ADGVRE4
廠商: TEXAS INSTRUMENTS INC
元件分類: 總線收發(fā)器
英文描述: ABT SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24
封裝: GREEN, PLASTIC, TVSOP-24
文件頁(yè)數(shù): 18/23頁(yè)
文件大?。?/td> 690K
代理商: SN74ABT646ADGVRE4
SN54ABT646A, SN74ABT646A
OCTAL BUS TRANSCEIVERS AND REGISTERS
WITH 3STATE OUTPUTS
SCBS069H JULY 1991 REVISED MAY 2004
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
FUNCTION TABLE
INPUTS
DATA I/Os
OPERATION OR FUNCTION
OE
DIR
CLKAB
CLKBA
SAB
SBA
A1A8
B1B8
OPERATION OR FUNCTION
X
X
Input
Unspecified
Store A, B unspecified
X
XX
X
Unspecified
Input
Store B, A unspecified
H
X
X
Input
Store A and B data
H
X
H or L
X
Input disabled
Isolation, hold storage
L
X
L
Output
Input
Real-time B data to A bus
L
X
H or L
X
H
Output
Input
Stored B data to A bus
L
H
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 can be enabled or disabled by various signals at OE and DIR. Data-input functions always are enabled, i.e., data at
the bus terminals is stored on every low-to-high transition of the clock inputs.
logic diagram (positive logic)
A1
B1
One of Eight
Channels
SAB
CLKAB
SBA
CLKBA
DIR
OE
To Seven Other Channels
Pin numbers shown are for the DB, DGV, DW, JT, NS, NT, PW, and W packages.
21
3
23
22
1
2
4
20
1D
C1
1D
C1
相關(guān)PDF資料
PDF描述
SN74ABT646ADWRE4 ABT SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24
SN74ABT646ADBR ABT SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24
SN74ABT646ANSRE4 ABT SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24
SNJ54ABT8240FK ABT SERIES, DUAL 4-BIT BOUNDARY SCAN DRIVER, INVERTED OUTPUT, CQCC28
SNJ54ABT8244FK ABT SERIES, DUAL 4-BIT BOUNDARY SCAN DRIVER, TRUE OUTPUT, CQCC28
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SN74ABT646ADGVRG4 功能描述:總線收發(fā)器 Octal Bus Trans 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
SN74ABT646ADW 功能描述:總線收發(fā)器 Tri-State 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
SN74ABT646ADWE4 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
SN74ABT646ADWG4 功能描述:總線收發(fā)器 Octal Bus Trans 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
SN74ABT646ADWR 功能描述:總線收發(fā)器 Tri-State 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