PI74FCT16646ETA datasheet, PDF

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PI74FCT16646ETA: DescriptionRegistered Bus Transceiver, FCT Series, 2-Func, 8-Bit, True Output, CMOS, PDSO56, 0.240 INCH, PLASTIC, TSSOP-56; Categorylogic logic; File Size215KB，8 Pages; ManufacturerPericom Semiconductor Corporation (Diodes Incorporated); Websitehttps://www.diodes.com/

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PI74FCT16646ETA Overview

Registered Bus Transceiver, FCT Series, 2-Func, 8-Bit, True Output, CMOS, PDSO56, 0.240 INCH, PLASTIC, TSSOP-56

PI74FCT16646ETA Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Maker	Pericom Semiconductor Corporation (Diodes Incorporated)
Parts packaging code	TSSOP
package instruction	TSSOP, TSSOP56,.3,20
Contacts	56
Reach Compliance Code	unknown
ECCN code	EAR99
Other features	DIRECTION CONTROL; SELECT INPUT FOR MULTIPLEXED TRANSMISSION OF REGISTERED OR REAL TIME DATA
Control type	INDEPENDENT CONTROL
Counting direction	BIDIRECTIONAL
series	FCT
JESD-30 code	R-PDSO-G56
JESD-609 code	e0
length	14 mm
Load capacitance (CL)	50 pF
Logic integrated circuit type	REGISTERED BUS TRANSCEIVER
MaximumI(ol)	0.064 A
Number of digits	8
Number of functions	2
Number of ports	2
Number of terminals	56
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Output characteristics	3-STATE
Output polarity	TRUE
Package body material	PLASTIC/EPOXY
encapsulated code	TSSOP
Encapsulate equivalent code	TSSOP56,.3,20
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
power supply	5 V
Prop。Delay @ Nom-Sup	3.8 ns
propagation delay (tpd)	3.8 ns
Certification status	Not Qualified
Maximum seat height	1.2 mm
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	4.5 V
Nominal supply voltage (Vsup)	5 V
surface mount	YES
technology	CMOS
Temperature level	INDUSTRIAL
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	GULL WING
Terminal pitch	0.5 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
translate	N/A
Trigger type	POSITIVE EDGE
width	6.1 mm

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PI74FCT16646T

PI74FCT162646T

PI74FCT162H646T

Fast CMOS 16-Bit

Registered Transceivers

Product Features

Common Features:

PI74FCT16646T, PI74FCT162646T, and PI74FCT162H646 are

high-speed, low power devices with high current drive

= 5V ± 10%

Hysteresis on all inputs

Packages available:

56-pin 240 mil wide plastic TSSOP (A)

56-pin 173 mil wide plastic TVSOP (JEDEC TSSOP K)

56-pin 300 mil wide plastic SSOP (V)

PI74FCT16646T Features:

High output drive: I

= 32mA; I

= 64mA

Power off disable outputs permit live insertion

Typical V

OLP

(Output Ground Bounce)

< 1.0V at V

= 5V, T

= 25°C

PI74FCT162646T Features:

Balanced output drivers: ±24mA

Reduced system switching noise

Typical V

OLP

(Output Ground Bounce)

< 0.6V at V

= 5V, T

= 25°C

PI74FCT162H646T Features:

Bus Hold retains last active bus state during Three-state

Eliminates the need for external pull-up resistors

Product Description

Pericom Semiconductors PI74FCT series of logic circuits are

pro duced in the Companys advanced 0.6 micron CMOS technology,

achieving industry leading speed grades.

The PI74FCT16646T, PI74FCT162646T, and PI74FCT162H646

are 16-bit registered transceivers organized as two independent

8-bit bus transceivers designed 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. Each

8-bit transceiver utilizes the enable control (xOE) and direction pins

(xDIR) to control the transceiver functions. The Select (xSAB and

xSBA) control pins are used to select either real-time or stored data

transfer. The circuitry used for select control will eliminate the

typical decoding glitch that occurs in a multiplexer during the

transition between real-time and stored data. A low input level

selects real-time data and a high selects stored data.

The PI74FCT16646T output buffers are designed with a Power-Off

disable allowing live insertion of boards when used as backplane

drivers.

The PI74FCT162646T has ±24mA balanced output drivers. It is

designed with current limiting resistors at its outputs to control the

output edge rate resulting in lower ground bounce and undershoot.

This eliminates the need for external terminating resistors for most

interface applications.

The PI74FCT162H646T has Bus Hold which retains the inputs

last state whenever the input goes to high-impedance preventing

floating inputs and eliminating the need for pull-up/down resistors.

Logic Block Diagram

DIR

CLKBA

SBA

SAB

CLKAB

DIR

CLKBA

SBA

SAB

CLKAB

B REG

A REG

TO 7 OTHER CHANNELS

PS2039B

02/24/99

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