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参数资料
| 型号： | SN74CBTD16861DLR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 总线收发器 |
| 英文描述： | CBT/FST/QS/5C/B SERIES, DUAL 10-BIT DRIVER, TRUE OUTPUT, PDSO48 |
| 封装： | SSOP-48 |
| 文件页数： | 1/6页 |
| 文件大小： | 82K |
| 代理商： | SN74CBTD16861DLR |
SN74CBTD16861
20-BIT FET BUS SWITCH
WITH LEVEL SHIFTING
SCDS069D – JULY 1998 – REVISED OCTOBER 2000
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Member of Texas Instruments’ Widebus
Family
D 5- Switch Connection Between Two Ports
D TTL-Compatible Input Levels
description
The SN74CBTD16861 provides 20 bits of
high-speed TTL-compatible bus switching. The
low on-state resistance of the switch allows
connections to be made with minimal propagation
delay. A diode to VCC is integrated on the die to
allow for level shifting between 5-V inputs and
3.3-V outputs.
The device is organized as one dual 10-bit switch
with separate output-enable (OE) input. When OE
is low, the switch is on, and port A is connected to
port B. When OE is high, the switch is open, and
the high-impedance state exists between the two
ports.
ORDERING INFORMATION
TA
PACKAGE
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
SSOP
DL
Tube
SN74CBTD16861DL
CBTD16861
–40
°C to 85°C
SSOP – DL
Tape and reel
SN74CBTD16861DLR
CBTD16861
TSSOP – DGG
Tape and reel
SN74CBTD16861DGGR
CBTD16861
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are
available at www.ti.com/sc/package.
FUNCTION TABLE
(each 10-bit bus switch)
INPUT
OE
FUNCTION
L
A port = B port
H
Disconnect
PRODUCT
PREVIEW
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.
Copyright
2000, Texas Instruments Incorporated
DGG OR DL PACKAGE
(TOP VIEW)
NC – No internal connection
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
NC
1A1
1A2
1A3
1A4
1A5
1A6
1A7
1A8
1A9
1A10
GND
NC
2A1
2A2
2A3
2A4
2A5
2A6
2A7
2A8
2A9
2A10
GND
VCC
1OE
1B1
1B2
1B3
1B4
1B5
1B6
1B7
1B8
1B9
1B10
VCC
2OE
2B1
2B2
2B3
2B4
2B5
2B6
2B7
2B8
2B9
2B10
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.
Widebus is a trademark of Texas Instruments.
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