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Integrated Device Technology - 3.3V CMOS 18-BIT UNIVERSAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS

Numéro de référence IDT74FCT163601PV
Description 3.3V CMOS 18-BIT UNIVERSAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS
Fabricant Integrated Device Technology 
Logo Integrated Device Technology 





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IDT74FCT163601PV fiche technique
®
Integrated Device Technology, Inc.
3.3V CMOS
18-BIT UNIVERSAL BUS
TRANSCEIVER
WITH 3-STATE OUTPUTS
IDT74FCT163601/A
ADVANCE INFORMATION
FEATURES:
• 0.5 MICRON CMOS Technology
Typical tSK(o) (Output Skew) < 250ps
• 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 and 15.7 mil pitch TVSOP
• Extended commercial range of -40°C to +85°C
• VCC = 3.3V ±0.3V, Normal Range or
VCC = 2.7 to 3.6V, Extended Range
• CMOS power levels (0.4µW typ. static)
• Rail-to-Rail output swing for increased noise margin
• Low Ground Bounce (0.3V typ.)
• Inputs (except I/O) can be driven by 3.3V or 5V
components
DESCRIPTION:
The FCT163601/A 18-bit registered transceiver is built
using advanced dual metal CMOS technology. These 18-bit
universal bus transceivers combine D-type latches and D-
type flip-flops to allow data flow in transparent, latched and
clocked modes.
Data flow in each direction is controlled by output-enable
(OEAB and OEBA), latch-enable (LEAB and LEBA), and clock
(CLKAB and CLKBA) inputs. The clock can be controlled by
the clock-enable (CLKENAB and CLKENBA) inputs. For A-to-
B data flow, the device operates in the transparent mode when
LEAB is high. When LEAB is low, the A data is latched if
CLKAB is held at a high or low logic level. If LEAB is low, the
A-bus data is stored in the latch/flip-flop on the low-to-high
transition of CLKAB. Output enable OEAB is active low.
When OEAB is low, the outputs are active. When OEAB is
high, the outputs are in the high-impedance state.
Data flow for B to A is similar to that of A to B but uses OEBA,
LEBA, CLKBA and CLKENBA.
The FCT163601 has series current limiting resistors. These
offer low ground bounce, minimal undershoot, and controlled
output fall times-reducing the need for external series termi-
nating resistors.
FUNCTIONAL BLOCK DIAGRAM
OEAB 1
CLKENAB 56
CLKAB 55
2
LEAB
LEBA 28
30
CLKBA
CLKENBA 29
27
OEBA
3
A1
CE
1D
C1
CLK
CE
1D
C1
CLK
54 B1
TO 17 OTHER CHANNELS
3251 drw 01
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
COMMERCIAL TEMPERATURE RANGE
©1996 Integrated Device Technology, Inc.
5.9
AUGUST 1996
DSC-3251/1
1

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