IDT74FCT646CTP Integrated Device Technology, Inc., IDT74FCT646CTP Datasheet

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IDT74FCT646CTP

Manufacturer Part Number
IDT74FCT646CTP
Description
Fast CMOS octal transceiver/register (3-state)
Manufacturer
Integrated Device Technology, Inc.
Datasheet

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Part Number:
IDT74FCT646CTP
Manufacturer:
IDT
Quantity:
6 232
© 2002 Integrated Device Technology, Inc.
FEATURES:
• Std., A, and C grades
• Low input and output leakage ≤ ≤ ≤ ≤ ≤ 1µA (max.)
• CMOS power levels
• True TTL input and output compatibility:
• High Drive outputs (-15mA I
• Meets or exceeds JEDEC standard 18 specifications
• Military product compliant to MIL-STD-883, Class B and DESC
• Power off disable outputs permit "live insertion"
• Available in the following packages:
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
MILITARY AND INDUSTRIAL TEMPERATURE RANGES
FUNCTIONAL BLOCK DIAGRAM
IDT54/74FCT646T/AT/CT
FAST CMOS OCTAL TRANSCEIVER/REGISTER (3-STATE)
– V
– V
listed (dual marked)
– Industrial: SOIC, SSOP, QSOP, TSSOP
– Military: CERDIP, LCC
OH
OL
= 0.3V (typ.)
= 3.3V (typ.)
CPB A
CPA B
SBA
SAB
DIR
A1
G
ONE OF EIGHT CHANNELS
OH
, 64mA I
A REG
1D
C1
OL
)
FAST CMOS OCTAL
TRANSCEIVER/
REGISTER (3-STATE)
TO SEVE N OTHER CHANN ELS
1
DESCRIPTION:
and control circuitry arranged for multiplexed transmission of data directly
from the data bus or from the internal storage registers. The FCT646T
utilizes the enable control (G) and direction (DIR) pins to control the
transceiver functions.
data transfer. The circuitry used for select control will eliminate the typical
decoding glitch that occurs in a multiplexer during the transition between
stored and real-time data. A low input level selects real-time data and a high
selects stored data.
flops by low-to-high transitions at the appropriate clock pins (CPAB or
CPBA), regardless of the select or enable control pins.
The FCT646T consists of a bus transceiver with 3-state D-type flip-flops
SAB and SBA control pins are provided to select either real- time or stored
Data on the A or B data bus, or both, can be stored in the internal D flip-
MILITARY AND INDUSTRIAL TEMPERATURE RANGES
B REG
IDT54/74FCT646T/AT/CT
C1
1D
JUNE 2002
B1
DSC-5505/3

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IDT74FCT646CTP Summary of contents

Page 1

... SBA CPA B SAB ONE OF EIGHT CHANNELS A REG A1 1D The IDT logo is a registered trademark of Integrated Device Technology, Inc. MILITARY AND INDUSTRIAL TEMPERATURE RANGES © 2002 Integrated Device Technology, Inc. FAST CMOS OCTAL TRANSCEIVER/ REGISTER (3-STATE) DESCRIPTION: The FCT646T consists of a bus transceiver with 3-state D-type flip-flops and control circuitry arranged for multiplexed transmission of data directly from the data bus or from the internal storage registers ...

Page 2

IDT54/74FCT646T/AT/CT FAST CMOS OCTAL TRANSCEIVER/REGISTER (3-STATE) PIN CONFIGURATION 1 24 CPAB 23 SAB 2 22 DIR ...

Page 3

IDT54/74FCT646T/AT/CT FAST CMOS OCTAL TRANSCEIVER/REGISTER (3-STATE) FUNCTION TABLE (1) Inputs G DIR CPAB CPBA ↑ ↑ ...

Page 4

IDT54/74FCT646T/AT/CT FAST CMOS OCTAL TRANSCEIVER/REGISTER (3-STATE) BUS A G DIR CPAB CPBA Real-Time Transfer Bus BUS A G DIR CPAB CPBA ↑ ↑ ↑ ↑ ...

Page 5

IDT54/74FCT646T/AT/CT FAST CMOS OCTAL TRANSCEIVER/REGISTER (3-STATE) POWER SUPPLY CHARACTERISTICS Symbol Parameter ∆I Quiescent Power Supply Current CC TTL Inputs HIGH I Dynamic Power Supply CCD (4) Current I Total Power Supply Current (6) C NOTES: 1. For conditions shown as ...

Page 6

IDT54/74FCT646T/AT/CT FAST CMOS OCTAL TRANSCEIVER/REGISTER (3-STATE) SWITCHING CHARACTERISTICS OVER OPERATING RANGE Symbol Parameter t Propagation Delay, PLH t Bus to Bus PHL t Output Enable Time, PZH t G, DIR to Bus PZL t Output Disable Time, PHZ t G, ...

Page 7

IDT54/74FCT646T/AT/CT FAST CMOS OCTAL TRANSCEIVER/REGISTER (3-STATE) TEST CIRCUITS AND WAVEFORMS OUT V IN Pulse D.U.T Generator . R T Test Circuits for All Outputs DATA INPUT t SU TIMING INPUT ASYNCHRONOUS CONTROL PRESET CLEAR ETC. SYNCHRONOUS CONTROL ...

Page 8

IDT54/74FCT646T/AT/CT FAST CMOS OCTAL TRANSCEIVER/REGISTER (3-STATE) ORDERING INFORMATION XXXX IDT XX FCT Device Type Temp. Range CORPORATE HEADQUARTERS 2975 Stender Way Santa Clara, CA 95054 XX X Package Process Blank 646T 646AT 646CT ...

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