54abt16952 Fairchild Semiconductor, 54abt16952 Datasheet

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54abt16952

Manufacturer Part Number
54abt16952
Description
16-bit Registered Transceiver With 3-state Outputs
Manufacturer
Fairchild Semiconductor
Datasheet
© 1999 Fairchild Semiconductor Corporation
74ABT16952CSSC
74ABT16952CMTD
74ABT16952
16-Bit Registered Transceiver with 3-STATE Outputs
General Description
The ABT16952 is a 16-bit registered transceiver. Two 8-bit
back to back registers store data flowing in both directions
between two bidirectional buses. Separate clock, clock
enable and 3-STATE output enable signals are provided for
each register. The output pins are guaranteed to source 32
mA and to sink 64 mA.
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the letter suffix “X” to the ordering code.
Pin Descriptions
Output Control
Register Function Table
(Applies to A or B Register)
H
L
X
Order Number
A
B
CPAB
CEA
OEAB
LOW Voltage Level
OE
HIGH Voltage Level
Immaterial
H
0
0
L
L
D
X
H
L
–A
–B
Pin Names
n
15
15
, CEB
n
n
, CPBA
, OEBA
Inputs
Internal
CP


n
X
Q
H
X
L
n
n
Package Number
Data Register A Inputs/
B-Register 3-STATE Outputs
Data Register B Inputs/
A-Register 3-STATE Outputs
Clock Pulse Inputs
Clock Enable
Output Enable Inputs
CE
H
L
L
MS56A
MTD56
Output

Z
NC
H
Z
L
HIGH Impedance
LOW-to-HIGH Transition
No Change
Internal
Description
NC
Q
H
L
Disable Outputs
Enable Outputs
56-Lead Shrink Small Outline Package (SSOP), JEDEC MO-118, 0.300” Wide
56-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide
Hold Data
Load Data
Function
DS011647.prf
Function
Features
Connection Diagram
Separate clock, clock enable and 3-STATE output
enable provided for each register
A and B output sink capability of 64 mA source capability
of 32 mA
Guaranteed latchup protection
High impedance glitch free bus loading during entire
power up and power down cycle
Nondestructive hot insertion capability
Package Description
Pin Assignment for SSOP
November 1993
Revised January 1999
www.fairchildsemi.com

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54abt16952 Summary of contents

Page 1

... L LOW Voltage Level LOW-to-HIGH Transition X Immaterial NC No Change © 1999 Fairchild Semiconductor Corporation Features Separate clock, clock enable and 3-STATE output enable provided for each register A and B output sink capability source capability Guaranteed latchup protection High impedance glitch free bus loading during entire ...

Page 2

Block Diagram n for either byte 1 or byte 2 www.fairchildsemi.com 2 ...

Page 3

Absolute Maximum Ratings Storage Temperature Ambient Temperature under Bias Junction Temperature under Bias V Pin Potential to CC Ground Pin Input Voltage (Note 2) Input Current (Note 2) Voltage Applied to Any Output in the Disable or Power-Off State in ...

Page 4

AC Electrical Characteristics (SSOP Package) Symbol Parameter f Max Clock max Frequency t Propagation Delay PLH t CPAB or CPBA to PHL Output Enable Time PZH t OEAB or OEBA to PZL ...

Page 5

AC Loading *Includes jig and probe capacitance FIGURE 1. Standard AC Test Load Amplitude 3.0V FIGURE 3. Input Signal Requirements AC Waveforms FIGURE 4. Propagation Delay Waveforms for Inverting and Non-Inverting Functions FIGURE 5. Propagation Delay, Pulse Width Waveforms FIGURE ...

Page 6

Physical Dimensions inches (millimeters) unless otherwise noted 56-Lead Shrink Small Outline Package (SSOP), JEDEC MO-118, 0.300” Wide www.fairchildsemi.com Package Number MS56A 6 ...

Page 7

Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 56-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide LIFE SUPPORT POLICY FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE ...

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