參數(shù)資料
型號: SN74AVCH16245DGVR
廠商: TEXAS INSTRUMENTS INC
元件分類: 總線收發(fā)器
英文描述: AVC SERIES, DUAL 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO48
封裝: PLASTIC, TVSOP-48
文件頁數(shù): 4/11頁
文件大?。?/td> 568K
代理商: SN74AVCH16245DGVR
SN74AVCH16245
16-BIT BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
SCES151E – DECEMBER 1998 – REVISED FEBRUARY 2000
2–36
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
description (continued)
To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup
resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
Active bus-hold circuitry is provided to hold unused or floating data inputs at a valid logic level.
This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs,
preventing damaging current backflow through the device when it is powered down.
The SN74AVCH16245 is characterized for operation from –40
°C to 85°C.
terminal assignments
DGG OR DGV PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
1DIR
1B1
1B2
GND
1B3
1B4
VCC
1B5
1B6
GND
1B7
1B8
2B1
2B2
GND
2B3
2B4
VCC
2B5
2B6
GND
2B7
2B8
2DIR
1OE
1A1
1A2
GND
1A3
1A4
VCC
1A5
1A6
GND
1A7
1A8
2A1
2A2
GND
2A3
2A4
VCC
2A5
2A6
GND
2A7
2A8
2OE
FUNCTION TABLE
(each 8-bit transceiver)
INPUTS
OE
DIR
OPERATION
L
B data to A bus
L
H
A data to B bus
H
X
Isolation
PRODUCT
PREVIEW
相關(guān)PDF資料
PDF描述
SN74AVCH16334DGVR AVC SERIES, 16-BIT DRIVER, TRUE OUTPUT, PDSO48
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