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부품번호 | IDT74FCT543C 기능 |
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기능 | FAST CMOS OCTAL LATCHED TRANSCEIVER | ||
제조업체 | Integrated Device Technology | ||
로고 | |||
IDT54/74FCT543/A/C
FAST CMOS OCTAL LATCHED TRANSCEIVER
FAST CMOS
OCTAL LATCHED
TRANSCEIVER
MILITARY AND COMMERCIAL TEMPERATURE RANGES
IDT54/74FCT543/A/C
FEATURES:
− IDT54/74FCT543 equivalent to FAST™ speed
− IDT54/74FCT543A 25% faster than FAST
− IDT54/74FCT543C 40% faster than FAST
− Equivalent to FAST output drive over full temperature and voltage
supply extremes
− IOL = 64mA (commercial), 48mA (military)
− Separate controls for data flow in each direction
− Back-to-back latches for storage
− CMOS power levels (1mW typ. static)
− Substantially lower input current levels than FAST (5µ A max.)
− TTL input and output level compatible
− CMOS output level compatible
− Military product compliant to MIL-STD-883, Class B
− Available in the following packages:
• Commercial: SOIC
• Military: CERDIP, LCC, CERPACK
DESCRIPTION:
The FCT543 is a non-inverting octal transceiver built using an ad-
vanced dual metal CMOS technology. These devices contain two sets of
eight D-type latches with separate input and output controls for each set. For
data flow from A to B, for example, the A-to-B Enable (CEAB) input must be
low in order to enter data from A0–A7 or to take data from B0–B7, as indicated
in the Function Table. With CEAB low, a low signal on the A-to-B Latch
Enable (LEAB) input makes the A-to-B latches transparent; a subsequent
low-to-high transition of the LEAB signal puts the A latches in the storage
mode and their outputs no longer change with the A inputs. With CEAB and
OEAB both low, the 3-state B output buffers are active and reflect the data
present at the output of the A latches. Control of data from B to A is similar,
but uses the CEBA, LEBA and OEBA inputs.
FUNCTIONAL BLOCK DIAGRAM
A0 3
DQ
LE
DETAIL A
QD
LE
22 B0
A1 4
A2 5
A3 6
A4 7
A5 8
A6 9
A7 10
2
OEBA
CEBA
LEBA
23
1
DETAIL A x 7
MILITARY AND COMMERCIAL TEMPERATURE RANGES
c 1999 Integrated Device Technology, Inc.
1
21 B1
20 B2
19 B3
18 B4
17 B5
16 B6
15 B7
13
OEAB
11
CEAB
14 LEAB
JUNE 2000
DSC-4602/3
IDT54/74FCT543/A/C
FAST CMOS OCTAL LATCHED TRANSCEIVER
MILITARY AND COMMERCIAL TEMPERATURE RANGES
POWER SUPPLY CHARACTERISTICS
VLC = 0.2V; VHC = VCC – 0.2V
Symbol
Parameter
Test Conditions(1)
ICC Quiescent Power
Supply Current
∆ICC Quiescent Power Supply
Current TTL Inputs HIGH
ICCD Dynamic Power Supply Current(4)
IC Total Power Supply Current(6)
VCC = Max.
VIN ≥ VHC; VIN ≤ VLC
VCC = Max., VIN = 3.4V(3)
VCC = Max., Outputs Open
CEAB and OEAB = GND
CEBA = VCC
One Input Toggling
50% Duty Cycle
VCC = Max., Outputs Open
fCP = 10MHz (LEAB)
50% Duty Cycle
CEAB and OEAB = GND
CEBA = VCC
One Bit Toggling
at fi = 5MHz
50% Duty Cycle
VCC = Max., Outputs Open
fCP = 10MHz (LEAB)
50% Duty Cycle
CEAB and OEAB = GND
CEBA = VCC
Eight Bits Toggling
at fi = 5MHz
50% Duty Cycle
VIN ≥ VHC
VIN ≤ VLC
VIN ≥ VHC
VIN ≤ VLC
(FCT)
VIN = 3.4V
VIN = GND
VIN ≥ VHC
VIN ≤ VLC
(FCT)
VIN = 3.4V
VIN = GND
Min. Typ.(2)
— 0.2
— 0.5
— 0.15
Max.
1.5
2
0.25
Unit
mA
mA
mA/
MHz
— 1.7 4 mA
— 2.2
6
— 7 12.8(5)
— 9.2 21.8(5)
NOTES:
1. For conditions shown as Max. or Min., use appropriate value specified under Electrical Characteristics for the applicable device type.
2. Typical values are at VCC = 5.0V, +25°C ambient.
3. Per TTL driven input (VIN = 3.4V); all other inputs at VCC or GND.
4. This parameter is not directly testable, but is derived for use in Total Power Supply calculations.
5. Values for these conditions are examples of the ICC formula. These limits are guaranteed but not tested.
6. IC = IQUIESCENT + IINPUTS + IDYNAMIC
IC = ICC + ∆ICC DHNT + ICCD (fCP/2 + fiNi)
ICC = Quiescent Current
∆ICC = Power Supply Current for a TTL High Input (VIN = 3.4V)
DH = Duty Cycle for TTL Inputs High
NT = Number of TTL Inputs at DH
ICCD = Dynamic Current Caused by an Output Transition Pair (HLH or LHL)
fCP = Clock Frequency for Register Devices (Zero for Non-Register Devices)
fi = Input Frequency
Ni = Number of Inputs at fi
All currents are in milliamps and all frequencies are in megahertz.
4
4페이지 IDT54/74FCT543/A/C
FAST CMOS OCTAL LATCHED TRANSCEIVER
ORDERING INFORMATION
ID T
XX
FCT
XXXX
Temp. Range
D e vic e T y p e
XX
P a cka g e
X
P rocess
MILITARY AND COMMERCIAL TEMPERATURE RANGES
B la n k
B
SO
D
E
L
C o m m ercia l
M IL -S T D -8 8 3 , C la ss B
C o m m e rcia l O p tio n s
S m a ll O u tlin e IC (S O 2 0 -2 )
M ilita ry O p tio n s
C E R D IP (D 2 0 -1 )
C E R P A C K (E 20-1)
L e a d le ss C h ip C a rrie r (L 2 0 -2)
543
543A
543C
F a st C M O S O cta l L a tch e d T ra n sce ive r
5 4 – 5 5 °C to + 1 2 5 °C
7 4 – 4 0 °C to + 85 °C
CORPORATE HEADQUARTERS
2975 Stender Way
Santa Clara, CA 95054
for SALES:
800-345-7015 or 408-727-6116
fax: 408-492-8674
www.idt.com*
*To search for sales office near you, please click the sales button found on our home page or dial the 800# above and press 2.
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
7
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부품번호 | 상세설명 및 기능 | 제조사 |
IDT74FCT543 | FAST CMOS OCTAL LATCHED TRANSCEIVER | Integrated Device Technology |
IDT74FCT543A | FAST CMOS OCTAL LATCHED TRANSCEIVER | Integrated Device Technology |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |