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參數資料
| 型號： | SN54AHC16245 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 16-BIT BUS TRANSCEIVERS WITH 3-STATE OUTPUTS |
| 中文描述： | 16位總線收發(fā)3態(tài)輸出 |
| 文件頁數： | 1/7頁 |
| 文件大小： | 117K |
| 代理商： | SN54AHC16245 |
SN54AHC16245, SN74AHC16245
16-BIT BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCLS328C – MARCH 1996 – REVISED JULY 1998
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Members of the Texas Instruments
Widebus
Family
Operating Range 2-V to 5.5-V V
CC
EPIC
(Enhanced-Performance Implanted
CMOS) Process
Distributed V
CC
and GND Pin Configuration
Minimizes High-Speed Switching Noise
Flow-Through Architecture Optimizes PCB
Layout
Package Options Include Plastic
Shrink Small-Outline (DL), Thin Shrink
Small-Outline (DGG), and Thin Very
Small-Outline (DGV) Packages and 380-mil
Fine-Pitch Ceramic Flat (WD) Package
Using 25-mil Center-to-Center Spacings
description
The ’AHC16245 devices are 16-bit (dual-octal)
noninverting 3-state transceivers designed for
synchronous two-way communication between
data buses. The control-function implementation
minimizes external timing requirements.
These devices can be used as two 8-bit
transceivers or one 16-bit transceiver. They allow
data transmission from the A bus to the B bus or
from the B bus to the A bus, depending on the logic
level at the direction-control (DIR) input. The
output-enable (OE) input can be used to disable
the device so that the buses are effectively
isolated.
To ensure the high-impedance state during power up or power down, OE should be tied to V
CC
through a pullup
resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
The SN54AHC16245 is characterized for operation over the full military temperature range of –55
°
C to 125
°
C.
The SN74AHC16245 is characterized for operation from –40
°
C to 85
°
C.
FUNCTION TABLE
(each 8-bit section)
INPUTS
OE
OPERATION
DIR
L
L
B data to A bus
L
H
A data to B bus
H
X
Isolation
P
Copyright
1998, Texas Instruments Incorporated
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.
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.
EPIC and Widebus are trademarks of Texas Instruments Incorporated.
SN54AHC16245 . . . WD PACKAGE
SN74AHC16245 . . . DGG, DGV, OR DL PACKAGE
(TOP VIEW)
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1DIR
1B1
1B2
GND
1B3
1B4
V
CC
1B5
1B6
GND
1B7
1B8
2B1
2B2
GND
2B3
2B4
V
CC
2B5
2B6
GND
2B7
2B8
2DIR
1OE
1A1
1A2
GND
1A3
1A4
V
CC
1A5
1A6
GND
1A7
1A8
2A1
2A2
GND
2A3
2A4
V
CC
2A5
2A6
GND
2A7
2A8
2OE
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| SN54AHCT00FK | QUADRUPLE 2-INPUT POSITIVE-NAND GATES |
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