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Integrated Device Technology Electronic Components Datasheet

IDT74FCT16952CT Datasheet

(IDT74FCT16952xT) FAST CMOS 16-BIT REGISTERED TRANSCEIVER

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IDT74FCT16952AT/CT/ET
FAST CMOS 16-BIT REGISTERED TRANSCEIVER
FAST CMOS
16-BIT REGISTERED
TRANSCEIVER
INDUSTRIALTEMPERATURERANGE
IDT74FCT16952AT/CT/ET
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.)
• 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
• Available in SSOP and TSSOP packages
DESCRIPTION:
The FCT16952T 16-bit registered transceiver is built using advanced
dual metal CMOS technology. These high-speed, low-power devices are
organized as two independent 8-bit D-type registered transceivers with
separate input and output control for independent control of data flow in either
direction. For example, the A-to-B Enable (xCEAB) must be low to enter
data from the A port. xCLKAB controls the clocking function. When xCLKAB
toggles from low-to-high, the data present on the A port will be clocked into
the register. xOEAB performs the output enable function on the B port. Data
flow from the B port to A port is similar but requires using xCEBA, xCLKBA,
and xOEBA inputs. Full 16-bit operation is achieved by tying the control pins
of the independent transceivers together.
The FCT16952T is ideally suited for driving high-capacitance loads and
low-impedance backplanes. The output buffers are designed with power off
disable capability allowing "live insertion" of boards when used as backplane
drivers.
FUNCTIONAL BLOCK DIAGRAM
54
1CEBA
55
1CLKBA
1
1OEAB
3
1CEAB
2
1CLKAB
56
1OEBA
5
1A1
C
CE
D
C
CE
D
52
1B1
31
2CEBA
30
2CLKBA
28
2OEAB
26
2CEAB
27
2CLKAB
29
2OEBA
15
2A1
TO SEVEN OTHER CHANNELS
C
CE
D
C
CE
D
42
2B1
TO SEVEN OTHER CHANNELS
IDT and the IDT logo are registered trademarks of Integrated Device Technology, Inc.
INDUSTRIAL TEMPERATURE RANGE
1
© 2018 Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice.
MAY 2018
DSC-5442/7


Integrated Device Technology Electronic Components Datasheet

IDT74FCT16952CT Datasheet

(IDT74FCT16952xT) FAST CMOS 16-BIT REGISTERED TRANSCEIVER

No Preview Available !

IDT74FCT16952AT/CT/ET
FAST CMOS 16-BIT REGISTERED TRANSCEIVER
PIN CONFIGURATION
1OEAB
1CLKAB
1CEAB
GND
1A1
1A2
VCC
1A3
1A4
1A5
GND
1A6
1A7
1A8
2A1
2A2
2A3
GND
2A4
2A5
2A6
VCC
2A7
2A8
GND
2CEAB
2CLKAB
2OEAB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
56 1OEBA
55 1CLKBA
54 1CEBA
53 GND
52 1B1
51 1B2
50 VCC
49 1B3
48 1B4
47 1B5
46 GND
45 1B6
44 1B7
43 1B8
42 2B1
41 2B2
40 2B3
39 GND
38 2B4
37 2B5
36 2B6
35 VCC
34 2B7
33 2B8
32 GND
31 2CEBA
30 2CLKBA
29 2OEBA
Package Type
TSSOP
SSOP
TOP VIEW
Package Code
PAG56
PVG56
Order Code
PAG
PVG
INDUSTRIALTEMPERATURERANGE
PIN DESCRIPTION
Pin Names
Description
xOEAB
A-to-B Output Enable Input (Active LOW)
xOEBA
B-to-A Output Enable Input (Active LOW)
xCEAB
A-to-B Clock Enable Input (Active LOW)
xCEBA
B-to-A Clock Enable Input (Active LOW)
xCLKAB
A-to-B Clock Input
xCLKBA
B-to-A Clock Input
x A x A-to-B Data Inputs or B-to-A 3-State Outputs
x B x B-to-A Data Inputs or A-to-B 3-State Outputs
ABSOLUTE MAXIMUM RATINGS(1)
Symbol
VTERM(2)
VTERM(3)
TSTG
IOUT
Description
Terminal Voltage with Respect to GND
Terminal Voltage with Respect to GND
Storage Temperature
DC Output Current
Max
–0.5 to +7
–0.5 to VCC+0.5
–65 to +150
–60 to +120
Unit
V
V
°C
mA
NOTES:
1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause
permanent damage to the device. This is a stress rating only and functional operation
of the device at these or any other conditions above those indicated in the operational
sections of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect reliability.
2. All device terminals except FCT162XXX Output and I/O terminals.
3. Output and I/O terminals for FCT162XXX.
CAPACITANCE (TA = +25°C, F = 1.0MHz)
Symbol
Parameter(1)
Conditions Typ. Max. Unit
CIN
Input Capacitance
VIN = 0V 3.5 6 pF
COUT
Output Capacitance VOUT = 0V
3.5
8
pF
NOTE:
1. This parameter is measured at characterization but not tested.
FUNCTION TABLE(1,3)
Inputs
xCEAB
xCLKAB
xOEAB
HX
L
XL
L
L
L
L
L
XX
H
Outputs
xAx xBx
X B(2)
X B(2)
LL
HH
XZ
NOTES:
1. A-to-B data flow is shown: B-to-A data flow is similar but uses xCEBA, xCLKBA, and
xOEBA.
2. Level of B before the indicated steady-state input conditions were established.
3. H = HIGH Voltage Level
L = LOW Voltage Level
X = Don't Care
= LOW-to-HIGH Transition
Z = High-impedance
2


Part Number IDT74FCT16952CT
Description (IDT74FCT16952xT) FAST CMOS 16-BIT REGISTERED TRANSCEIVER
Maker IDT
Total Page 7 Pages
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