|
|
Número de pieza | IDT54FCT521B | |
Descripción | FAST CMOS 8-BIT IDENTITY COMPARATOR | |
Fabricantes | Integrated Device Technology | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de IDT54FCT521B (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
No Preview Available ! IDT54/74FCT521/A/B/C
FAST CMOS 8-BIT IDENTITY COMPARATOR
FAST CMOS
8-BIT IDENTITY
COMPARATOR
MILITARY AND COMMERCIAL TEMPERATURE RANGES
IDT54/74FCT521/A/B/C
FEATURES:
− IDT54/74FCT521 equivalent to FASTTM speed
− IDT54/74FCT521A 35% faster than FAST
− IDT54/74FCT521B 50% faster than FAST
− IDT54/74FCT521C 60% faster than FAST
− Equivalent to FAST output drive over full temperature and voltage
supply extremes
− IOL = 48mA (commercial), and 32mA (military)
− CMOS power levels (1mW typ. static)
− TTL input and output level compatible
− CMOS output level compatible
− Substantially lower input current levels than FAST (5µ A max.)
− JEDEC standard pinout for DIP and LCC
− Military product compliant to MIL-STD-883, Class B
− Available in the following packages:
• Commercial: SOIC
• Military: CERDIP, LCC, CERPACK
DESCRIPTION:
The FCT521 is an 8-bit identity comparator built using an advanced dual
metal CMOS technology. These devices compare two words of up to eight
bits each and provide a low output when the two words match bit for bit. The
expansion input IA = B also serves as an active low enable input.
FUNCTIONAL BLOCK DIAGRAM
A0 2
B0 3
A1 4
B1 5
A2 6
B2 7
A3 8
B3 9
A4 11
B4 12
A5 13
B5 14
A6 15
B6 16
A7 17
B7 18
IA=B 1
MILITARY AND COMMERCIAL TEMPERATURE RANGES
c 1999 Integrated Device Technology, Inc.
1
19 OA=B
JUNE 2000
DSC-4617/2
1 page IDT54/74FCT521/A/B/C
FAST CMOS 8-BIT IDENTITY COMPARATOR
MILITARY AND COMMERCIAL TEMPERATURE RANGES
TEST CIRCUITS AND WAVEFORMS
TEST CIRCUITS FOR ALL OUTPUTS
V CC
7.0V
Pulse
Generator
V IN
D.U.T.
RT
V OUT
50pF
CL
500Ω
500Ω
O ctal lin k
SWITCH POSITION
Test
Open Drain
Disable Low
Enable Low
All Other Tests
Switch
Closed
Open
DEFINITIONS:
CL = Load capacitance: includes jig and probe capacitance.
RT = Termination resistance: should be equal to ZOUT of the Pulse
Generator.
8-link
SET-UP, HOLD, AND RELEASE TIMES
DATA
INPUT
TIMING
INPUT
tSU tH
ASYNCHRONOUS CONTROL
PRESET
tREM
CLEAR
ETC.
SYNCHRONOUS CONTROL
PRESET
CLEAR
CLOCK ENABLE
tSU tH
ETC.
3V
1.5V
0V
3V
1.5V
0V
3V
1.5V
0V
3V
1.5V
0V
O ctal lin k
PULSE WIDTH
LO W -HIGH-LOW
PULSE
H IG H -L O W -H IG H
PULSE
1.5V
tW
1.5V
O ctal lin k
PROPAGATION DELAY
SAME PHASE
INPUT TRANSITION
OUTPUT
OPPOSITE PHASE
INPUT TRANSITION
tPLH
tPLH
tPHL
tPHL
3V
1.5V
0V
VOH
1.5V
VOL
3V
1.5V
0V
O ctal lin k
ENABLE AND DISABLE TIMES
ENABLE
DISABLE
3V
CONTROL
INPUT
tPZL
tPLZ
1.5V
0V
OUTPUT
NORMALLY
LOW
S W IT C H
CLOSED
tPZH
3.5V
1.5V
tPHZ
3.5V
0.3V VOL
OUTPUT
NORMALLY
HIGH
S W IT C H
OPEN
1.5V
0V
0.3V VOH
0V
O ctal lin k
NOTES:
1. Diagram shown for input Control Enable-LOW and input Control
Disable-HIGH.
2. Pulse Generator for All Pulses: Rate ≤ 1.0MHz; Zo ≤ 50Ω; tF ≤ 2.5ns;
tR ≤ 2.5ns.
5
5 Page |
Páginas | Total 6 Páginas | |
PDF Descargar | [ Datasheet IDT54FCT521B.PDF ] |
Número de pieza | Descripción | Fabricantes |
IDT54FCT521 | FAST CMOS 8-BIT IDENTITY COMPARATOR | Integrated Device Technology |
IDT54FCT521A | FAST CMOS 8-BIT IDENTITY COMPARATOR | Integrated Device Technology |
IDT54FCT521AD | FAST CMOS 8-BIT IDENTITY COMPARATOR | Integrated Device Technology |
IDT54FCT521ADB | FAST CMOS 8-BIT IDENTITY COMPARATOR | Integrated Device Technology |
Número de pieza | Descripción | Fabricantes |
SLA6805M | High Voltage 3 phase Motor Driver IC. |
Sanken |
SDC1742 | 12- and 14-Bit Hybrid Synchro / Resolver-to-Digital Converters. |
Analog Devices |
DataSheet.es es una pagina web que funciona como un repositorio de manuales o hoja de datos de muchos de los productos más populares, |
DataSheet.es | 2020 | Privacy Policy | Contacto | Buscar |