IDT74FCT646ATQ IDT, Integrated Device Technology Inc, IDT74FCT646ATQ Datasheet - Page 3

• Manufacturer Part Number: IDT74FCT646ATQ
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of IDT74FCT646ATQ

• Logic Family: FCT
• Operating Supply Voltage (typ): 5V
• Propagation Delay Time: 9.8ns
• Number Of Elements: 1
• Number Of Channels: 8
• Input Logic Level: TTL
• Output Logic Level: TTL
• Output Type: 3-State
• Package Type: QSOP
• Polarity: Non-Inverting
• Logical Function: Bus Transceiver/Register
• Operating Supply Voltage (min): 4.75V
• Operating Supply Voltage (max): 5.25V
• Quiescent Current (typ): 10nA
• Technology: CMOS
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 24
• Lead Free Status / Rohs Status: Not Compliant

FUNCTION TABLE
NOTES:
1. H = HIGH
2. The data output functions may be enabled or disabled by various signals at the GAB or GBA inputs. Data input functions are always enabled, i.e. data at the bus pins will be
3. A in B Register.
4. B in A Register.
DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE
Following Conditions Apply Unless Otherwise Specified:
Industrial: T
OUTPUT DRIVE CHARACTERISTICS
NOTES:
1. For conditions shown as Min. or Max., use appropriate value specified under Electrical Characteristics for the applicable device type.
2. Typical values are at V
3. Not more than one output should be tested at one time. Duration of the test should not exceed one second.
4. The test limit for this parameter is ±5µA at T
5. This parameter is guaranteed but not tested.
IDT54/74FCT646T/AT/CT
FAST CMOS OCTAL TRANSCEIVER/REGISTER (3-STATE)
L = LOW
X = Don't Care
↑ = LOW-to-HIGH transition.
Select control = L: clocks can occur simultaneously.
Select control = H: clocks must be staggered in order to load both registers.
stored on every LOW-to-HIGH transition on the clock inputs.
Symbol
Symbol
I
I
I
V
V
G
H
H
V
V
I
V
OZH
OZL
I
OFF
L
L
L
L
V
I
I
CC
OS
IH
I
OH
IL
OL
IH
IL
IK
I
H
A
DIR
= –40°C to +85°C, V
H
H
X
X
L
L
Input HIGH Level
Input LOW Level
Input HIGH Current
Input LOW Current
High Impedance Output Current
(3-State output pins)
Input HIGH Current
Clamp Diode Voltage
Input Hysteresis
Quiescent Power Supply Current
Output HIGH Voltage
Output LOW Voltage
Short Circuit Current
Input/Output Power Off Leakage
CC
CPAB
H or L
H or L
Parameter
Parameter
= 5.0V, +25°C ambient.
↑
X
X
X
Inputs
(4)
(4)
(4)
(4)
CC
(1)
CPBA
H or L
H or L
↑
X
X
X
= 5.0V ±5%; Military: T
A
= –55°C.
(5)
SAB
H
X
X
X
X
L
Guaranteed Logic HIGH Level
Guaranteed Logic LOW Level
V
V
V
V
V
V
V
V
V
V
V
V
CC
CC
CC
CC
CC
CC
CC
IN
CC
IN
CC
CC
= V
= V
= Min, I
= Min
= Min
= 0V, V
= Max.
= Max.
= Max
= Max., V
= Max., V
= Max., V
SBA
IH
IH
H
X
X
X
X
L
or V
or V
A
IN
IN
IL
IL
= –55°C to +125°C, V
= -18mA
I
IN
O
or V
= V
= GND
= GND or V
O
CC
≤ ≤ ≤ ≤ ≤ 4.5V
A
Test Conditions
Test Conditions
Output
Input
Input
1
(Max.)
(3)
- A
3
8
CC
Data I/O
—
V
V
V
V
I
I
I
I
I
I
OH
OH
OH
OH
OL
OL
(2)
CC
I
I
O
O
(1)
(1)
= 2.7V
= 0.5V
B
Output
= 2.7V
= 0.5V
= 48mA MIL
= 64mA IND
= –6mA MIL
= –8mA IND
= –12mA MIL
= –15mA IND
Input
Input
1
= 5.0V ±10%
- B
MILITARY AND INDUSTRIAL TEMPERATURE RANGES
8
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
Min.
Min.
–60
2.4
—
—
—
—
—
—
—
—
—
—
—
2
2
Operation or Function
Typ.
Typ.
–120
–0.7
0.01
200
3.3
0.3
—
—
—
—
—
—
—
—
3
(2)
(2)
Max.
Max.
–225
–1.2
0.55
0.8
±1
±1
±1
±1
±1
±1
—
—
—
—
1
Unit
Unit
µA
µA
µA
µA
mV
µA
mA
µA
V
V
V
V
V