參數(shù)資料
型號(hào): 74ALVC163245T
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 通用總線功能
英文描述: Triple 3-Input Positive-AND Gates 14-SOIC -40 to 85
中文描述: ALVC/VCX/A SERIES, DUAL 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO48
封裝: 6.10 MM, MO-153, TSSOP-48
文件頁數(shù): 1/9頁
文件大小: 106K
代理商: 74ALVC163245T
2001 Fairchild Semiconductor Corporation
ds500695
www.fairchildsemi.com
November 2001
Revised November 2001
7
74ALVC163245
Low Voltage 16-Bit Dual Supply Translating Transceiver
with 3-STATE Outputs
General Description
The ALVC163245 is a dual supply, 16-bit translating trans-
ceiver that is designed for 2 way asynchronous communi-
cation between busses at different supply voltages by
providing true signal translation. The supply rails consist of
V
CCA
, which is a higher potential rail operating at 2.3V to
3.6V and V
CCB
, which is the lower potential rail operating at
1.65V to 2.7V. (V
CCB
must be less than or equal to V
CCA
for proper device operation). This dual supply design
allows for translation from 1.8V to 2.5V busses to busses at
a higher potential, up to 3.3V.
The Transmit/Receive (T/R) input determines the direction
of data flow. Transmit (active-HIGH) enables data from
A Ports to B Ports; Receive (active-LOW) enables data
from B Ports to A Ports. The Output Enable (OE) input,
when HIGH, disables both A and B Ports by placing them
in a High-Z condition. The A Port interfaces with the higher
voltage bus (2.7V to 3.3V); The B Port interfaces with the
lower voltage bus (1.8V to 2.5V). Also the ALVC163245 is
designed so that the control pins (T/R
n
, OE
n
) are supplied
by V
CCB
.
The 74ALVC163245 is suitable for mixed voltage applica-
tions such as notebook computers using a 1.8V CPU and
3.3V peripheral components. It is fabricated with an
Advanced CMOS technology to achieve high speed opera-
tion while maintaining low CMOS power dissipation.
Features
I
Bidirectional interface between busses ranging from
1.65V to 3.6V
I
Supports Live Insertion and Withdrawal (Note 1)
I
Uses patented Quiet Series
noise/EMI reduction
circuitry
I
Functionally compatible with 74 series 16245
I
Latchup conforms to JEDEC JED78
I
ESD performance:
Human Body Model
>
2000V
Machine model
>
200V
I
Also packaged in plastic Fine-Pitch Ball Grid Array
(FBGA) (Preliminary)
Note 1:
To ensure the high impedance state during power up or power
down, OE
n
should be tied to V
CCB
through a pull up resistor. The minimum
value of the resistor is determined by the current sourcing capability of the
driver.
Ordering Code:
Note 2:
BGA package available in Tape and Reel only.
Note 3:
Device also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Quiet Series
is a trademark of Fairchild Semiconductor Corporation.
Order Number
74ALVC163245GX
(Note 2)
74ALVC163245T
(Note 3)
Package Number
BGA54A
(Preliminary)
MTD48
Package Description
54-Ball Fine-Pitch Ball Grid Array (FBGA), JEDEC MO-205, 5.5mm Wide
[Tape and Reel]
48-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide
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