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IDT74FCT162245ATPAG

更新时间: 2024-10-27 13:08:47
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艾迪悌 - IDT /
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10页 189K
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IDT74FCT162245ATPAG 数据手册

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IDT54/74FCT16245T/AT/CT/ET  
IDT54/74FCT162245T/AT/CT/ET  
IDT54/74FCT166245T/AT/CT  
FAST CMOS 16-BIT  
BIDIRECTIONAL  
TRANSCEIVERS  
IDT54/74FCT162H245T/AT/CT/ET  
Integrated Device Technology, Inc.  
DESCRIPTION:  
FEATURES:  
The16-bittransceiversarebuiltusingadvanceddualmetal  
CMOS technology. These high-speed, low-power transceiv-  
ers are ideal for synchronous communication between two  
busses (A and B). The Direction and Output Enable controls  
operate these devices as either two independent 8-bit trans-  
ceivers or one 16-bit transceiver. The direction control pin  
(xDIR) controls the direction of data flow. The output enable  
pin (xOE) overrides the direction control and disables both  
ports. All inputs are designed with hysteresis for improved  
noise margin.  
The FCT16245T are ideally suited for driving high-capaci-  
tance loads and low-impedance backplanes. The output buff-  
ersaredesignedwithpoweroffdisablecapabilitytoallow"live  
insertion" of boards when used as backplane drivers.  
The FCT162245T have balanced output drive 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  
FCT162245T are plug-in replacements for the FCT16245T  
and ABT16245 for on-board interface applications.  
• Common features:  
– 0.5 MICRON CMOS Technology  
– High-speed, low-power CMOS replacement for  
ABT functions  
Typical tSK(o) (Output Skew) < 250ps  
– Low input and output leakage 1µA (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  
• Features for FCT16245T/AT/CT/ET:  
– High drive outputs (-32mA IOH, 64mA IOL)  
– Power off disable outputs permit “live insertion”  
– Typical VOLP (Output Ground Bounce) < 1.0V at  
VCC = 5V, TA = 25°C  
• Features for FCT162245T/AT/CT/ET:  
– Balanced Output Drivers: ±24mA (commercial),  
±16mA (military)  
– Reduced system switching noise  
The FCT166245T are suited for very low noise, point-to-  
point driving where there is a single receiver, or a light lumped  
– Typical VOLP (Output Ground Bounce) < 0.6V at  
VCC = 5V,TA = 25°C  
FUNCTIONAL BLOCK DIAGRAM  
1 DIR  
2 DIR  
2
2
2
2
2
OE  
1OE  
2
A
A
1
2
1A1  
1B1  
B
B
1
2
3
4
1A2  
2
1B2  
1A3  
2
A
A
A
A
3
4
B
B
B
B
1B3  
1A4  
2
1B4  
1A5  
2
2
5
6
2
2
5
6
1B5  
1A6  
1B6  
1A7  
2
A
A
7
8
1B7  
2
B
B
7
8
1A8  
2
1B8  
2
2545 drw 02  
2545 drw 01  
The IDT logo is a registered trademark of Integrated Device Technology, Inc.  
MILITARY AND COMMERCIAL TEMPERATURE RANGES  
AUGUST 1996  
1996 Integrated Device Technology, Inc.  
5.3  
DSC-2545/9  
1

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