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5.9
2
IDT74FCT16601AT/CT/ET, 162601AT/CT/ET
FAST CMOS 18-BIT UNIVERSAL BUS TRANSCEIVERS
COMMERCIAL TEMPERATURE RANGE
PRODUCTPREVEW
B-to-A Output Enable Input (Active LOW)
A-to-B Latch Enable Input
B-to-A Latch Enable Input
A-to-B Clock Input
B-to-A Clock Input
A-to-B Data Inputs or B-to-A 3-State Outputs
B-to-A Data Inputs or A-to-B 3-State Outputs
A to B Clock Enable Input
B to A Clock Enable Input
PIN CONFIGURATIONS
3247 drw 02
ABSOLUTE MAXIMUM RATINGS
(1)
CLKENAB
B
2
B
3
GND
B
4
B
5
V
CC
B
6
B
7
B
1
B
8
B
9
B
10
B
11
GND
B
12
B
13
CC
B
14
GND
CLKAB
B
16
B
15
B
17
GND
B
18
CLKBA
CLKENBA
OEAB
LEAB
A
1
GND
A
2
A
3
V
CC
A
4
A
5
GND
A
6
A
7
A
8
A
9
GND
A
10
A
11
V
CC
A
12
A
18
A
14
A
13
A
16
GND
A
17
LEBA
A
15
OEBA
47
37
38
39
40
41
42
43
44
45
46
33
34
35
36
56
55
49
50
51
52
53
54
48
1
2
3
4
5
6
7
8
9
10
12
13
14
15
16
17
18
19
20
11
21
22
23
24
SSOP/
TSSOP/TVSOP
TOP VIEW
SO56-1
SO56-2
SO56-3
29
30
31
32
25
26
27
28
PIN DESCRIPTION
Pin Names
OEAB
Description
A-to-B Output Enable Input (Active LOW)
OEBA
LEAB
LEBA
CLKAB
CLKBA
Ax
Bx
CLKENAB
CLKENBA
3247 tbl 01
FUNCTION TABLE
(1,4)
Inputs
OEAB
OEAB
Outputs
CLKENAB
CLKENAB
LEAB
X
H
H
L
L
L
L
L
CLKAB
X
X
X
X
↑
↑
L
H
A
X
L
H
X
L
H
X
X
B
Z
L
H
X
X
X
H
L
L
L
L
H
L
L
L
L
L
L
L
B0
(2)
L
H
B0
(2)
B0
(3)
NOTES:
1. A-to-B data flow is shown. B-to-A data flow is similar but uses
OEBA
,
LEBA and CLKBA.
2. Output level before the indicated steady-state input conditions were
established.
3. Output level before the indicated steady-state input conditions were
established, provided that CLKAB was HIGH before LEAB went LOW.
4. H = HIGH Voltage Level
L = LOW Voltage Level
X = Don't Care
Z = High-impedance
↑ =
LOW-to-HIGH Transition
3247 tbl 02
Symbol
V
TERM(2)
Terminal Voltage with Respect to
GND
V
TERM(3)
Terminal Voltage with Respect to
GND
Description
Max.
Unit
V
–0.5 to +7.0
–0.5 to
V
CC
+0.5
–65 to +150
–60 to +120 mA
V
T
STG
I
OUT
NOTES:
1. Stresses greater than those listed under ABSOLUTE MAXIMUM RAT-
INGS may cause permanent damage to the device. This is a stress rating
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 FCT162XXXT Output and I/O terminals.
3. Output and I/O terminals for FCT162XXXT.
Storage Temperature
DC Output Current
°
C
3247 lnk 03
NOTE:
1. This parameter is measured at characterization but not tested.
3247 lnk 04
Symbol
IN
Parameter
(1)
Input
Capacitance
I/O
Capacitance
Conditions
V
IN
= 0V
Typ.
3.5
Max.
6.0
Unit
pF
C
I/O
V
OUT
= 0V
3.5
8.0
pF
CAPACITANCE
(T
A
= +25
°