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IDT74ALVCH16952 Datasheet(PDF) 1 Page - Integrated Device Technology

Part No. IDT74ALVCH16952
Description  3.3V CMOS 16-BIT REGISTERED TRANSCEIVER WITH 3-STATE OUTPUTS AND BUS-HOLD
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Maker  IDT [Integrated Device Technology]
Homepage  http://www.idt.com
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IDT74ALVCH16952 Datasheet(HTML) 1 Page - Integrated Device Technology

   
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INDUSTRIALTEMPERATURERANGE
IDT74ALVCH16952
3.3VCMOS16-BITREGISTEREDTRANSCEIVERWITH3-STATEOUTPUTS
1
MARCH 1999
INDUSTRIAL TEMPERATURE RANGE
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
©1999 Integrated Device Technology, Inc.
DSC-4227/1
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)
•VCC = 3.3V ± 0.3V, Normal Range
•VCC = 2.7V to 3.6V, Extended Range
•VCC = 2.5V ± 0.2V
• CMOS power levels (0.4
µµµµµ W typ. static)
• Rail-to-Rail output swing for increased noise margin
• Available in SSOP, TSSOP, and TVSOP packages
FUNCTIONAL BLOCK DIAGRAM
IDT74ALVCH16952
APPLICATIONS:
• 3.3V high speed systems
• 3.3V and lower voltage computing systems
DRIVE FEATURES:
• High Output Drivers: ±24mA
• Suitable for heavy loads
3.3V CMOS 16-BIT
REGISTERED TRANSCEIVER
WITH 3-STATE OUTPUTS
AND BUS-HOLD
DESCRIPTION:
This 16-bit registered transceiver is built using advanced dual metal
CMOS technology. The ALVCH16952 contains two sets of D-type flip-flops
for temporary storage of data flowing in either direction. This device can be
used as two 8-bit transceivers or one 16-bit transceiver. Data on the A or
B bus is stored in the registers on the low-to-high transition of the clock
(CLKAB or CLKBA) input provided that the clock-enable (CLKENAB or
CLKENBA) input is low. Taking the output-enable (OEAB or OEBA) input
low accesses the data on either port.
The ALVCH16952 has been designed with a ±24mA output driver. This
driver is capable of driving a moderate to heavy load while maintaining
speed performance.
The ALVCH16952 has “bus-hold” which retains the inputs’ last state
whenever the input bus goes to a high impedance. This prevents floating
inputs and eliminates the need for pull-up/down resistors.
C
CE
D
C
CE
D
1
OEAB
1
CLKEN AB
1
C LKAB
1
O EBA
1
A1
1
B1
TO SEVEN OTHER CH ANN ELS
1
CLKEN BA
1
C LKBA
54
55
1
3
2
56
5
52
C
CE
D
C
CE
D
2
OEAB
2
CLKEN AB
2
C LKAB
2
OEBA
2
A1
2
B1
TO SEVEN OTHER CH ANNELS
2
CLKEN BA
2
C LKBA
31
30
28
26
27
29
15
42


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