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PDF IDT54FCT543CT Data sheet ( Hoja de datos )

Número de pieza IDT54FCT543CT
Descripción FAST CMOS OCTAL LATCHED TRANSCEIVER
Fabricantes Integrated Device 
Logotipo Integrated Device Logotipo



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No Preview Available ! IDT54FCT543CT Hoja de datos, Descripción, Manual

Integrated Device Technology, Inc.
FAST CMOS
OCTAL LATCHED
TRANSCEIVER
IDT54/74FCT543T/AT/CT/DT
IDT54/74FCT2543T/AT/CT
FEATURES:
• Common features:
– Low input and output leakage 1µA (max.)
– CMOS power levels
– True TTL input and output compatibility
– VOH = 3.3V (typ.)
– VOL = 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 FCT543T:
– Std., A, C and D speed grades
– High drive outputs (-15mA IOH, 64mA IOL)
– Power off disable outputs permit “live insertion”
• Features for FCT2543T:
– Std., A, and C speed grades
– Resistor outputs (-15mA IOH, 12mA IOL Com.)
(-12mA IOH, 12mA IOL Mil.)
– Reduced system switching noise
FUNCTIONAL BLOCK DIAGRAM
DESCRIPTION:
The FCT543T/FCT2543T is a non-inverting octal trans-
ceiver built using an advanced dual metal CMOS technology.
This device contains 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.
The FCT2543T has balanced output drive with current
limiting resistors. This offers low ground bounce, minimal
undershoot and controlled output fall times-reducing the need
for external series terminating resistors. FCT2xxxT parts are
plug-in replacements for FCTxxxT parts.
DQ
DETAIL A
B0
LE
A0 Q D
LE
A1
A2
A3
A4 DETAIL A x 7
A5
A6
A7
OEBA
CEBA
LEBA
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
MILITARY AND COMMERCIAL TEMPERATURE RANGES
©1995 Integrated Device Technology, Inc.
6.17
B1
B2
B3
B4
B5
B6
B7
OEAB
CEAB
LEAB
2613 drw 01
JANUARY 1995
DSC-4203/5
1

1 page




IDT54FCT543CT pdf
IDT54/74FCT543T/AT/CT/DT - 2543T/AT/CT
FAST CMOS OCTAL LATCHED TRANSCEIVER
MILITARY AND COMMERCIAL TEMPERATURE RANGES
SWITCHING CHARACTERISTICS OVER OPERATING RANGE
FCT543T/
FCT2543T
Com'l.
Mil.
Symbol
Parameter
Condition(1) Min.(2) Max. Min.(2) Max.
tPLH Propagation Delay
tPHL Transparant Mode
An to Bn or Bn to An
CL = 50pF
RL = 500
1.5 8.5 1.5 10.0
tPLH Propagation Delay
tPHL LEBA to An, LEAB to Bn
tPZH Output Enable Time
tPZL OEBA or OEAB to An or Bn
CEBA or CEAB to An or Bn
1.5 12.5 1.5 14.0
1.5 12.0 1.5 14.0
tPHZ Output Disable Time
tPLZ OEBA or OEAB to An or Bn
CEBA or CEAB to An or Bn
1.5 9.0 1.5 13.0
tSU Set-up Time, HIGH or LOW
An or Bn to LEBA or LEAB
3.0 — 3.0 —
tH Hold Time, HIGH or LOW
An or Bn to LEBA or LEAB
tW LEBA or LEAB Pulse Width
LOW
2.0 — 2.0 —
5.0 — 5.0 —
FCT543AT/
FCT2543AT
Com'l.
Mil.
Min.(2) Max. Min.(2) Max.
1.5 6.5 1.5 7.5
Unit
ns
1.5 8.0 1.5 9.0 ns
1.5 9.0 1.5 10.0 ns
1.5 7.5 1.5 8.5 ns
2.0 — 2.0 — ns
2.0 — 2.0 — ns
5.0 — 5.0 — ns
2513 tbl 09
FCT543CT/
FCT2543CT
Com'l.
Mil.
Symbol
Parameter
Condition(1) Min.(2)
tPLH Propagation Delay
CL = 50pF
1.5
tPHL Transparant Mode
RL = 500
An to Bn or Bn to An
tPLH Propagation Delay
tPHL LEBA to An, LEAB to Bn
1.5
tPZH Output Enable Time
tPZL OEBA or OEAB to An or Bn
CEBA or CEAB to An or Bn
1.5
tPHZ Output Disable Time
tPLZ OEBA or OEAB to An or Bn
CEBA or CEAB to An or Bn
1.5
tSU Set-up Time, HIGH or LOW
An or Bn to LEBA or LEAB
2.0
tH Hold Time, HIGH or LOW
An or Bn to LEBA or LEAB
tW LEBA or LEAB Pulse Width
2.0
5.0
LOW
NOTES:
1. See test circuits and waveforms.
2. Minimum limits are guaranteed but not tested on Propagation Delays.
3. This limit is guaranteed but not tested.
Max.
5.3
7.0
8.0
6.5
Min.(2)
1.5
1.5
1.5
1.5
2.0
2.0
5.0
Max.
6.1
8.0
9.0
7.5
FCT543DT
Com'l.
Min.(2) Max.
1.5 4.4
Mil.
Min.(2) Max.
——
Unit
ns
1.5 5.0
1.5 5.4
— ns
— ns
1.5 4.3 —
— ns
1.5 — — — ns
1.5 — — — ns
3.0(3) — — — ns
2513 tbl 10
6.17 5

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