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Integrated Device Technology Electronic Components Datasheet

IDT74FCT16543ET Datasheet

FAST CMOS 16-BIT LATCHED TRANSCEIVER

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Integrated Device Technology, Inc.
FAST CMOS
16-BIT LATCHED
TRANSCEIVER
IDT54/74FCT16543T/AT/CT/ET
IDT54/74FCT162543T/AT/CT/ET
FEATURES:
• Common features:
– 0.5 MICRON CMOS Technology
– High-speed, low-power CMOS replacement for
ABT functions
Typical tSK(o) (Output Skew) < 250ps
– Low input and output leakage 1µA (max.)
– ESD > 2000V per MIL-STD-883, Method 3015;
> 200V using machine model (C = 200pF, R = 0)
– Packages include 25 mil pitch SSOP, 19.6 mil pitch
TSSOP, 15.7 mil pitch TVSOP and 25 mil pitch Cerpack
– Extended commercial range of -40°C to +85°C
– VCC = 5V ±10%
• Features for FCT16543T/AT/CT/ET:
– High drive outputs (-32mA IOH, 64mA IOL)
– Power off disable outputs permit “live insertion”
– Typical VOLP (Output Ground Bounce) < 1.0V at
VCC = 5V, TA = 25°C
• Features for FCT162543T/AT/CT/ET:
– Balanced Output Drivers: ±24mA (commercial),
±16mA (military)
– Reduced system switching noise
– Typical VOLP (Output Ground Bounce) < 0.6V at
VCC = 5V,TA = 25°C
DESCRIPTION:
The FCT16543T/AT/CT/ET and FCT162543T/AT/CT/ET
16-bit latched transceivers are built using advanced dual metal
CMOS technology. These high-speed, low-power devices are
organized as two independent 8-bit D-type latched transceiv-
ers with separate input and output control to permit indepen-
dent control of data flow in either direction. For example, the A-
to-B Enable (xCEAB) must be LOW in order to enter data from
the A port or to output data from the B port. xLEAB controls the
latch function. When xLEAB is LOW, the latches are transpar-
ent. A subsequent LOW-to-HIGH transition of xLEAB signal
puts the A latches in the storage mode. xOEAB performs output
enable function on the B port. Data flow from the B port to the
A port is similar but requires using xCEBA, xLEBA, and xOEBA
inputs. Flow-through organization of signal pins simplifies
layout. All inputs are designed with hysteresis for improved
noise margin.
The FCT16543T/AT/CT/ET are ideally suited for driving
high-capacitance loads and low-impedance backplanes. The
output buffers are designed with power off disable capability to
allow "live insertion" of boards when used as backplane drivers.
The FCT162543T/AT/CT/ET have 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. The
FCT162543T/AT/CT/ET are plug-in replacements for the
FCT16543T/AT/CT/ET and 54/74ABT16543 for on-board bus
interface applications.
FUNCTIONAL BLOCK DIAGRAM
1OEBA
1CEBA
1LEBA
1OEAB
1CEAB
1LEAB
1A1
C
D
C
D
2OEBA
2CEBA
2LEBA
2OEAB
2CEAB
2LEAB
2A1
1B1
C
D 2B1
C
D
TO 7 OTHER CHANNELS
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
2618 drw 01
MILITARY AND COMMERCIAL TEMPERATURE RANGES
©1996 Integrated Device Technology, Inc.
5.12
TO 7 OTHER CHANNELS
2618 drw 02
SEPTEMBER 1996
DSC-2618/7
1


Integrated Device Technology Electronic Components Datasheet

IDT74FCT16543ET Datasheet

FAST CMOS 16-BIT LATCHED TRANSCEIVER

No Preview Available !

IDT54/74FCT16543T/AT/CT/ET, 162543T/AT/CT/ET
FAST CMOS 16-BIT LATCHED TRANSCEIVER
PIN CONFIGURATIONS
1OEAB
1LEAB
1CEAB
GND
1A1
1A2
VCC
1A3
1A4
1A5
GND
1A6
1A7
1A8
2A1
2A2
2A3
GND
2A4
2A5
2A6
VCC
2A7
2A8
GND
2CEAB
2LEAB
2OEAB
1 56
2 55
3 54
4 53
5 52
6 51
7 50
8 49
9 48
10 47
11 46
12 45
13 44
14 SO56-1 43
SO56-2
15 SO56-3 42
16 41
17 40
18 39
19 38
20 37
21 36
22 35
23 34
24 33
25 32
26 31
27 30
28 29
SSOP/
TSSOP/TVSOP
TOP VIEW
1OEBA
1LEBA
1CEBA
GND
1B1
1B2
VCC
1B3
1B4
1B5
GND
1B6
1B7
1B8
2B1
2B2
2B3
GND
2B4
2B5
2B6
VCC
2B7
2B8
GND
2CEBA
2LEBA
2OEBA
1OEAB
1LEAB
1CEAB
GND
1A1
1A2
VCC
1A3
1A4
1A5
GND
1A6
1A7
1A8
2A1
2A2
2A3
GND
2A4
2A5
2A6
VCC
2A7
2A8
GND
2CEAB
2LEAB
2OEAB
2618 drw 03
MILITARY AND COMMERCIAL TEMPERATURE RANGES
1 56
2 55
3 54
4 53
5 52
6 51
7 50
8 49
9 48
10 47
11 46
12 45
13 44
14 E56-1 43
15 42
16 41
17 40
18 39
19 38
20 37
21 36
22 35
23 34
24 33
25 32
26 31
27 30
28 29
CERPACK
TOP VIEW
1OEBA
1LEBA
1CEBA
GND
1B1
1B2
VCC
1B3
1B4
1B5
GND
1B6
1B7
1B8
2B1
2B2
2B3
GND
2B4
2B5
2B6
VCC
2B7
2B8
GND
2CEBA
2LEBA
2OEBA
2618 drw 04
5.12 2


Part Number IDT74FCT16543ET
Description FAST CMOS 16-BIT LATCHED TRANSCEIVER
Maker IDT
Total Page 8 Pages
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