EEWORLDEEWORLDEEWORLD

Part Number

Search

IDT74FCT2645ATLB

Description
FCT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20
Categorysemiconductor    logic   
File Size107KB,8 Pages
ManufacturerIDT (Integrated Device Technology, Inc.)
Websitehttp://www.idt.com/
Download Datasheet Parametric View All

IDT74FCT2645ATLB Overview

FCT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20

IDT74FCT2645ATLB Parametric

Parameter NameAttribute value
Number of functions1
Number of terminals20
Maximum operating temperature85 Cel
Minimum operating temperature-40 Cel
Maximum supply/operating voltage5.25 V
Minimum supply/operating voltage4.75 V
Rated supply voltage5 V
Number of ports2
Processing package descriptionGreen, TSSOP-20
stateACTIVE
CraftsmanshipCMOS
packaging shapeRectangle
Package SizeSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
surface mountYes
Terminal formGULL WING
Terminal spacing0.6500 mm
Terminal locationpair
Packaging MaterialsPlastic/Epoxy
Temperature levelINDUSTRIAL
seriesFCT
Output characteristics3-ST WITH S-RES
Logic IC typetransceiver
Number of digits8
Output polarityTRUE
propagation delay TPD4.6 ns
FAST CMOS OCTAL
BIDIRECTIONAL
TRANSCEIVERS
Integrated Device Technology, Inc.
IDT54/74FCT245T/AT/CT/DT - 2245T/AT/CT
IDT54/74FCT640T/AT/CT
IDT54/74FCT645T/AT/CT/DT
FEATURES:
• Common features:
– Low input and output leakage
≤1µA
(max.)
– CMOS power levels
– True TTL input and output compatibility
– V
OH
= 3.3V (typ.)
– V
OL
= 0.3V (typ.)
– Meets or exceeds JEDEC standard 18 specifications
– Product available in Radiation Tolerant and Radiation
Enhanced versions
– Military product compliant to MIL-STD-883, Class B
and DESC listed (dual marked)
– Available in DIP, SOIC, SSOP, QSOP, CERPACK
and LCC packages
• Features for FCT245T/FCT640T/FCT645T:
– Std., A, C and D speed grades
– High drive outputs (-15mA I
OH
, 64mA I
OL
)
• Features for FCT2245T:
– Std., A and C speed grades
– Resistor outputs (-15mA I
OH
, 12mA I
OL
Com.)
(-12mA I
OH
, 12mA I
OL
Mil.)
– Reduced system switching noise
DESCRIPTION:
The IDT octal bidirectional transceivers are built using an
advanced dual metal CMOS technology. The FCT245T/
FCT2245T, FCT640T and FCT645T are designed for asyn-
chronous two-way communication between data buses. The
transmit/receive (T/
R
) input determines the direction of data
flow through the bidirectional transceiver. Transmit (active
HIGH) enables data from A ports to B ports, and receive
(active LOW) from B ports to A ports. The output enable (
OE
)
input, when HIGH, disables both A and B ports by placing
them in HIGH Z condition.
The FCT245T/FCT2245T and FCT645T transceivers have
non-inverting outputs. The FCT640T has inverting outputs.
The FCT2245T has balanced drive outputs with current
limiting resistors. This offers low ground bounce, minimal
undershoot and controlled output fall times- reducing the need
for external series terminating resistors. The FCT2xxxT parts
are plug-in replacements for FCTxxxT parts.
FUNCTIONAL BLOCK DIAGRAM
T/R
OE
A
0
B
0
A
1
B
1
A
2
B
2
A
3
B
3
A
4
B
4
A
5
B
5
A
6
B
6
A
7
B
7
FCT245T/2245T, FCT645T are non-inverting options.
FCT640T is the inverting options.
2539 drw 01
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
PIN CONFIGURATIONS
T/R
A
0
A
1
A
2
A
3
A
4
A
5
A
6
A
7
GND
1
2
3
4
5
6
7
8
9
10
20
19
P20-1
D20-1
SO20-2
SO20-7*
SO20-8**
&
E20-1
18
17
16
15
14
13
12
11
Vcc
OE
B
0
B
1
B
2
B
3
B
4
B
5
B
6
B
7
2539 drw 02
DIP/SOIC/SSOP/QSOP/CERPACK
TOP VIEW
*FCT245T/2245T, FCT645T only.
**FCT245T/2245T, FCT640T
INDEX
A
2
A
3
A
4
A
5
A
6
A
1
A
0
T/R
Vcc
OE
3
4
5
6
7
8
2
20 19
18
1
17
16
15
14
9 10 11 12 13
L20-2
B
0
B
1
B
2
B
3
B
4
A
7
GND
B
7
B
6
B
5
2539 drw 03
LCC
TOP VIEW
MILITARY AND COMMERCIAL TEMPERATURE RANGES
©1995
Integrated Device Technology, Inc.
AUGUST 1995
DSC-4611/4
6.9
1
Asking for advice - Is there any cheaper core chip for designing GSM SMS transmitter besides Siemens TC35?
I think the TC35 has too many functions. I only need to send text messages, not voice or other functions....
shaobaofu_ben RF/Wirelessly
Worried about switching from Class AB to Class D? No need to worry
Have you ever thought about doing something big and meaningful but worried that it would be hard to do? Then, when you finally get the courage to do it, you look back and are surprised at how easy it ...
Aguilera Analogue and Mixed Signal
Would you mind people knowing that you have downloaded certain technical information?
[size=3]Previous reason: Two administrators discussed the download center function and wanted to add a user record function to download the resource, so as to facilitate communication between netizens...
okhxyyo Download Centre
Wireless module (433, 2.4G) All source code is provided (51, avr, msp430, etc.)
http://shop60008893.taobao.com. All friends in this forum will enjoy discounts. Introduction to RF1020 module: Module features: (1) Frequency range is 402 MHz -470MHz (2) High sensitivity (up to -118d...
asoni Embedded System
My class project is stuck. I don't know what's wrong with the circuit diagram and program. Can you take a look?
Using DAC0832 to generate a sine waveform generator, the waveform cannot be designed. I don't know what is wrong. My circuit diagramProgram #include #include #define uchar unsigned char #define uint u...
好奇的猫 51mcu
/*Urgent*/ AD issue
After AD conversion, we get 4 groups of word type AD values, which are stored in 4 arrays a0[8], a1[8], a2[8], and a3[8] respectively. Now we want to get the average value of a0[8], a1[8], a2[8], and ...
lnf99 Embedded System

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 626  97  232  2688  784  13  2  5  55  16 
Datasheet   0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Room 1530, 15th Floor, Building B, No. 18 Zhongguancun Street, Haidian District, Beijing Telephone: (010) 82350740 Postal Code: 100190
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved 京ICP证060456号 京ICP备10001474号-1 电信业务审批[2006]字第258号函 京公网安备 11010802033920号