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参数资料
| 型号： | IDT74FCT2245TPG |
| 厂商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分类： | 总线收发器 |
| 英文描述： | FCT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20 |
| 封装： | TSSOP-20 |
| 文件页数： | 1/7页 |
| 文件大小： | 197K |
| 代理商： | IDT74FCT2245TPG |
1
IDT54/74FCT2245T/AT/CT
FASTCMOSOCTALBIDIRECTIONALTRANSCEIVER
MILITARYANDINDUSTRIALTEMPERATURERANGES
MAY 2001
2001 Integrated Device Technology, Inc.
DSC-5511/-
c
IDT54/74FCT2245T/AT/CT
MILITARY AND INDUSTRIAL TEMPERATURE RANGES
FAST CMOS OCTAL
BIDIRECTIONAL
TRANSCEIVER
DESCRIPTION:
The IDT octal bidirectional transceivers are built using an advanced dual
metal CMOS technology. The FCT2245T is designed for asynchronous
two-way communication between data buses. The transmit/receive (T/
R)
input determines the direction of data flow through the bidirectional trans-
ceiver. 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
FCT2245T parts are plug-in replacements for FCT245T parts.
FUNCTIONAL BLOCK DIAGRAM
A
B 0
0
T/
R
OE
A
B 1
1
A
B 2
2
A
B 3
3
A
B 4
4
A
B 5
5
A
B 6
6
A
B 7
7
FEATURES:
Low input and output leakage ≤1A (max.)
CMOS power levels
True TTL input and output compatibility
VOH = 3.3V (typ.)
VOL = 0.3V (typ.)
Meets or exceeds JEDEC standard 18 specifications
Military product compliant to MIL-STD-883, Class B and DESC
listed (dual marked)
Std., A and C speed grades
Resistor outputs
(-15mA IOH, 12mA IOL Ind.)
(-12mA IOH, 12mA IOL Mil.)
Reduced system switching noise
Available in the following packages:
Industrial: SOIC, QSOP, TSSOP
Military: CERDIP, LCC, CERPACK
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