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參數資料
| 型號： | IDT54FCT162260ETE |
| 廠商： | Integrated Device Technology, Inc. |
| 英文描述： | FAST CMOS 12-BIT TRI-PORT BUS EXCHANGER |
| 中文描述： | 快速CMOS 12位的三端口總線交換 |
| 文件頁數： | 1/8頁 |
| 文件大小： | 132K |
| 代理商： | IDT54FCT162260ETE |
Integrated Device Technology, Inc.
MILITARY AND COMMERCIAL TEMPERATURE RANGES
AUGUST 1996
1996 Integrated Device Technology, Inc.
5.4
DSC-3032/6
1
IDT54/74FCT16260AT/CT/ET
IDT54/74FCT162260AT/CT/ET
FAST CMOS
12-BIT TRI-PORT
BUS EXCHANGER
FEATURES:
Common features:
–
0.5 MICRON CMOS Technology
–
High-speed, low-power CMOS replacement for
ABT functions
–
Typical t
SK
(o) (Output Skew) < 250ps
–
Low input and output leakage
≤
1
μ
A (max.)
–
ESD > 2000V per MIL-STD-883, Method 3015;
> 200V using machine model (C = 200pF, R = 0)
–
Packages include 25 mil pitch SSOP, 19.6 mil pitch
TSSOP, 15.7 mil pitch TVSOP and 25 mil pitch Cerpack
–
Extended commercial range of -40
°
C to +85
°
C
–
V
CC
= 5V
±
10%
Features for FCT16260AT/CT/ET:
–
High drive outputs (-32mA I
OH
, 64mA I
OL
)
–
Power off disable outputs permit “live insertion”
–
Typical V
OLP
(Output Ground Bounce) < 1.0V at
V
CC
= 5V, T
A
= 25
°
C
Features for FCT162260AT/CT/ET:
–
Balanced Output Drivers:
±
24mA (commercial),
±
16mA (military)
–
–
Reduced system switching noise
Typical V
OLP
(Output Ground Bounce) < 0.6V at
V
CC
= 5V,T
A
= 25
°
C
DESCRIPTION:
The FCT16260AT/CT/ET and the FCT162260AT/CT/ET
Tri-Port Bus Exchangers are high-speed 12-bit latched bus
multiplexers/transceivers for use in high-speed microproces-
sor applications. These Bus Exchangers support memory
interleaving with latched outputs on the B ports and address
multiplexing with latched inputs on the B ports.
The Tri-Port Bus Exchanger has three 12-bit ports. Data
may be transferred between the A port and either/both of the
B ports. The latch enable (LE1B, LE2B, LEA1B and LEA2B)
inputs control data storage. When a latch-enable input is
HIGH, the latch is transparent. When a latch-enable input is
LOW, the data at the input is latched and remains latched until
the latch enable input is returned HIGH. Independent output
enables (
OE1B
and
OE2B
) allow reading from one port while
writing to the other port.
The FCT16260AT/CT/ET are ideally suited for driving high
capacitance loads and low impedance backplanes. The
output buffers are designed with power off disable capability
to allow "live insertion" of boards when used as backplane
drivers.
The FCT162260AT/CT/ET have balanced output drive
with current limiting resistors. This offers low ground bounce,
minimal undershoot, and controlled output fall times - reduc-
ing the need for external series terminating resistors.
A-1B
LATCH
LEA1B
LE1B
LE2B
12
M
U
X
12
OE1B
12
A
1:12
1B-A
LATCH
1B
1:12
12
12
12
2B-A
LATCH
12
12
A-2B
LATCH
LEA2B
12
2B
1:12
OE2B
OEA
SEL
1
0
3032 drw 01
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
FUNCTIONAL BLOCK DIAGRAM
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相關代理商/技術參數 |
參數描述 |
|---|---|
| IDT54FCT162260ETEB | 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:FAST CMOS 12-BIT TRI-PORT BUS EXCHANGER |
| IDT54FCT162260ETPA | 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:FAST CMOS 12-BIT TRI-PORT BUS EXCHANGER |
| IDT54FCT162260ETPAB | 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:FAST CMOS 12-BIT TRI-PORT BUS EXCHANGER |
| IDT54FCT162260ETPF | 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:FAST CMOS 12-BIT TRI-PORT BUS EXCHANGER |
| IDT54FCT162260ETPFB | 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:FAST CMOS 12-BIT TRI-PORT BUS EXCHANGER |
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