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參數(shù)資料
| 型號： | IDT74FCT645TPG |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | FCT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20 |
| 封裝： | TSSOP-20 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 141K |
| 代理商： | IDT74FCT645TPG |
Integrated Device Technology, Inc.
FAST CMOS OCTAL
BIDIRECTIONAL
TRANSCEIVERS
IDT54/74FCT245T/AT/CT/DT - 2245T/AT/CT
IDT54/74FCT645T/AT/CT/DT
FEATURES:
Common features:
–
Low input and output leakage
≤1A (max.)
–
Extended commercial range of –40
°C to +85°C
–
CMOS power levels
–
True TTL input and output compatibility
– VOH = 3.3V (typ.)
– VOL = 0.3V (typ.)
–
Meets or exceeds JEDEC standard 18 specifications
–
Product available in Radiation Tolerant and Radiation
Enhanced versions
–
Military product compliant to MIL-STD-883, Class B
and DESC listed (dual marked)
–
Available in DIP, SOIC, SSOP, QSOP, TSSOP
CERPACK and LCC packages
Features for FCT245T/FCT645T:
–
Std., A, C and D speed grades
–
High drive outputs (-15mA IOH, 64mA IOL)
Features for FCT2245T:
–
Std., A and C speed grades
–
Resistor outputs
(-15mA IOH, 12mA IOL Com.)
(-12mA IOH, 12mA IOL Mil.)
–
Reduced system switching noise
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
MILITARY AND INDUSTRIAL TEMPERATURE RANGES
FEBRUARY 1997
1997 Integrated Device Technology, Inc.
6.9
DSC-2539/7
1
FUNCTIONAL BLOCK DIAGRAM
DESCRIPTION:
The IDT octal bidirectional transceivers are built using an
advanced dual metal CMOS technology.
The FCT245T/
FCT2245T and FCT645T are designed for asynchronous
two-way communication between data buses. The transmit/
receive (T/
R) input determines the direction of data flow
through the bidirectional transceiver. Transmit (active HIGH)
enables data from A ports to B ports, and receive (active LOW)
from B ports to A ports. The output enable (
OE) input, when
HIGH, disables both A and B ports by placing them in HIGH
Z condition.
The FCT2245T has balanced drive outputs with current
limiting resistors. This offers low ground bounce, minimal
undershoot and controlled output fall times- reducing the need
for external series terminating resistors. The FCT2xxxT parts
are plug-in replacements for FCTxxxT parts.
A
B0
0
T/R
OE
A
B1
1
A
B2
2
A
B3
3
A
B4
4
A
B5
5
A
B6
6
A
B7
7
2539 drw 01
For the latest information regarding this part, please contact IDT's web site at http://www.idt.com or fax-on-demand service at (US)1-800-9-IDT-FAX / (International) 408-492-8391.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| IDT74FCT646AP | 制造商:Integrated Device Technology Inc 功能描述: |
| IDT74FCT646HTP | 制造商:Integrated Device Technology Inc 功能描述: |
| IDT74FCT646P | 制造商:Integrated Device Technology Inc 功能描述: |
| IDT74FCT646TPY | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Integrated Device Technology Inc 功能描述: |
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