IDT74FCT16646ATPA IDT, Integrated Device Technology Inc, IDT74FCT16646ATPA Datasheet - Page 2

• Manufacturer Part Number: IDT74FCT16646ATPA
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of IDT74FCT16646ATPA

• Logic Family: FCT
• Operating Supply Voltage (typ): 5V
• Propagation Delay Time: 9.8ns
• Number Of Elements: 2
• Number Of Channels: 16
• Input Logic Level: TTL
• Output Logic Level: TTL
• Output Type: 3-State
• Package Type: TSSOP
• Polarity: Non-Inverting
• Logical Function: Bus Transceiver/Register
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Quiescent Current (typ): 5uA
• Technology: CMOS
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 56
• Lead Free Status / Rohs Status: Not Compliant

PIN CONFIGURATION
FUNCTION TABLE
NOTES:
1. H = HIGH Voltage Level
2. The data output functions may be enabled or disabled by various signals at the xOE or xDIR inputs. Data input functions are always enabled, i.e. data at the bus pins will
IDT74FCT16646AT/CT/ET
FAST CMOS 16-BIT BUS TRANSCEIVER/REGISTER (3-STATE)
L = LOW Voltage Level
X = Don't Care
Z = High-Impedance
be stored on every LOW-to-HIGH transition on the clock inputs.
xOE
H
H
L
L
L
L
1
2
CLKAB
CLKAB
1
2
GND
GND
GND
GND
1DIR
2
SAB
SAB
V
V
DIR
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
A
A
CC
A
A
A
A
A
A
A
A
A
A
A
A
CC
A
A
xDIR
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
H
X
X
L
L
L
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
xCLKAB
SSOP/ TSSOP
H or L
H or L
TOP VIEW
↑
X
X
X
(1)
Inputs
xCLKBA
48
43
56
55
54
53
52
51
50
49
47
46
45
44
42
41
40
39
38
37
36
35
34
33
32
31
30
29
H or L
H or L
↑
X
X
X
1
1
1
GND
1
1
V
1
1
1
GND
1
1
1
2
2
2
GND
2
2
2
V
2
2
GND
2
2
2
OE
CLKBA
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
CLKBA
OE
SBA
SBA
CC
CC
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
xSAB
H
X
X
X
X
L
xSBA
H
X
X
L
X
X
2
CAPACITANCE
NOTE:
1. This parameter is measured at characterization but not tested.
ABSOLUTE MAXIMUM RATINGS
NOTES:
1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause
2. All device terminals except FCT162XXX Output and I/O terminals.
3. Output and I/O terminals for FCT162XXX.
PIN DESCRIPTION
C
Symbol
V
V
T
I
Symbol
C
OUT
STG
TERM (2)
TERM (3)
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.
IN
OUT
xCLKAB, xCLKBA
Output
xSAB, xSBA
Input
Input
xAx
Pin Names
xDIR, xOE
Terminal Voltage with Respect to GND
Terminal Voltage with Respect to GND
Storage Temperature
DC Output Current
x A x
x B x
Data I/O
Input Capacitance
Output Capacitance
Parameter
(2)
Output
Input
Input
xBx
Description
(1)
Data Register A Inputs
Data Register B Outputs
Data Register B Inputs
Data Register A Outputs
Clock Pulse Inputs
Output Data Source Select Inputs
Output Enable Inputs
(T
INDUSTRIAL TEMPERATURE RANGE
A
= +25°C, F = 1.0MHz)
Isolation
Store A and B Data
Real Time B Data to A Bus
Stored B Data to A Bus
Real Time A Data to B Bus
Stored A Data to B Bus
Conditions
V
V
OUT
IN
Description
= 0V
= 0V
Operation or Function
–0.5 to V
Typ.
3.5
3.5
–65 to +150
–60 to +120
–0.5 to +7
Max
CC
Max.
+0.5
6
8
(1)
(1)
(1)
(1)
(1)
Unit
Unit
pF
pF
mA
° C
V
V