- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄365633 > SN54HCT646W (Texas Instruments, Inc.) Dual EIA-423/EIA-232D Line Driver; Package: SOIC-8 Narrow Body; No of Pins: 8; Container: Rail; Qty per Container: 98 PDF資料下載
參數(shù)資料
| 型號： | SN54HCT646W |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Dual EIA-423/EIA-232D Line Driver; Package: SOIC-8 Narrow Body; No of Pins: 8; Container: Rail; Qty per Container: 98 |
| 中文描述： | 八路總線收發(fā)器和寄存器具有三態(tài)輸出 |
| 文件頁數(shù)： | 3/8頁 |
| 文件大?。?/td> | 153K |
| 代理商： | SN54HCT646W |
SN54HCT646, SN74HCT646
OCTAL BUS TRANSCEIVERS AND REGISTERS
WITH 3-STATE OUTPUTS
SCLS178B – MARCH 1984 – REVISED MAY 1997
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–A8
B1–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 disabled
Input disabled
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 can be enabled or disabled by various signals at OE and DIR. Data-input functions are always enabled; i.e., data at
the bus terminals is stored on every low-to-high transition of the clock inputs.
logic symbol
This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.
Pin numbers shown are for the DW, JT, NT, and W packages.
A1
4
B1
20
4D
5
7
7
5
1
1
6D
≥
1
≥
1
1
2
A2
5
B2
19
A3
6
B3
18
A4
7
B4
17
A5
8
B5
16
A6
9
B6
15
A7
10
B7
14
A8
11
B8
13
OE
G3
21
3 EN2 [AB]
G5
22
SBA
3 EN1 [BA]
3
DIR
23
CLKBA
1
CLKAB
G7
2
SAB
C6
C4
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SN54HCT646FK | DC-DC Converter; Supply Voltage:48V; Output Voltage:3.3V; Number of Outputs:1; Power Rating:99W; Mounting Type:PC Board Surface Mount; Efficiency:91%; External Depth:2.30"; External Height:0.32"; External Width:0.90" RoHS Compliant: Yes |
| SN54L42 | 4-LINE TO 10-LINE DECODERS (1-OF-10) |
| SN7444A | 4-LINE TO 10-LINE DECODERS (1-OF-10) |
| SN74L42 | 4-LINE TO 10-LINE DECODERS (1-OF-10) |
| SN54L43 | 4-LINE TO 10-LINE DECODERS (1-OF-10) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN54HCU04J | 制造商:Texas Instruments 功能描述:HEX INVERTER - Rail/Tube 制造商:Texas Instruments 功能描述:Inverter 6-Element CMOS 14-Pin CDIP Tube |
| SN54L00W | 制造商:MAJOR 功能描述: |
| SN54L46J | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SN54L51J | 制造商:Texas Instruments 功能描述: |
| SN54L74T | 制造商:Texas Instruments 功能描述:Flip Flop, Dual, D Type, 14 Pin, Metal, Flat Pack |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。