IDT74FCT621TSOG8 IDT, Integrated Device Technology Inc, IDT74FCT621TSOG8 Datasheet - Page 4

• Manufacturer Part Number: IDT74FCT621TSOG8
• Description: IC BUS TRANSCVR 8B N-INV 20SOIC
• Manufacturer: IDT, Integrated Device Technology Inc
• Series: 74FCTr

Specifications of IDT74FCT621TSOG8

• Logic Type: Transceiver, Non-Inverting
• Number Of Elements: 1
• Number Of Bits Per Element: 8
• Current - Output High, Low: 48mA, 48mA; 64mA, 64mA
• Voltage - Supply: 5V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-SOIC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 74FCT621TSOG8

NOTES:
1. See test circuit and waveforms.
2. Minimum limits are guaranteed but not tested on Propagation Delays.
POWER SUPPLY CHARACTERISTICS
NOTES:
1. For conditions shown as Max. or Min., use appropriate value specified under Electrical Characteristics for the applicable device type.
2. Typical values are at V
3. Per TTL driven input (V
4. This parameter is not directly testable, but is derived for use in Total Power Supply Calculations.
5. Values for these conditions are examples of the I
6. I
7. This test is performed with outputs tied to GND through a pull-down resistor.
SWITCHING CHARACTERISTICS OVER OPERATING RANGE
IDT74FCT621T/AT
FAST CMOS OCTAL BUS TRANSCEIVER (OPEN DRAIN)
Symbol
Symbol
ΔI
I
I
I
I
ΔI
D
N
I
f
f
N
All currents are in milliamps and all frequencies are in megahertz.
CCD
C
C
C
CC
CCD
CP
i
t
t
t
t
t
t
t
t
PLH
PHL
PLH
PHL
PLH
PHL
PLH
PHL
H
T
i
= Input Frequency
CC
= I
CC
= I
= Number of Inputs at f
= Number of TTL Inputs at D
= Duty Cycle for TTL Inputs High
= Clock Frequency for Register Devices (Zero for Non-Register Devices)
= Quiescent Current
= Dynamic Current Caused by an Output Transition Pair (HLH or LHL)
QUIESCENT
CC
= Power Supply Current for a TTL High Input (V
+ ΔI
CC
Parameter
Propagation Delay, A to B
Propagation Delay, B to A
Propagation Delay, GBA to A
Propagation Delay, GAB to B
+ I
D
Quiescent Power Supply Current
TTL Inputs HIGH
Dynamic Power Supply Current
Total Power Supply Current
H
INPUTS
N
T
+ I
CC
IN
+ I
CCD
i
= 3.4V); all other inputs at V
DYNAMIC
= 5.0V, +25°C ambient.
(f
CP
Parameter
/2 + f
H
i
N
i
)
(6,7)
CC
(4)
Condition
R
C
formula. These limits are guaranteed but not tested.
L
IN
L
CC
= 500Ω
= 50pF
= 3.4V)
or GND.
(1)
V
V
Vcc = Max.
Outputs Open
GBA = GAB = GND or V
One Input Toggling
50% Duty Cycle
Vcc = Max.
Outputs Open
GBA = GAB = GND or V
One Bit Toggling
at f
50% Duty Cycle
Vcc = Max.
Outputs Open
GBA = GAB = GND or V
Eight Bits Toggling
at f
50% Duty Cycle
CC
IN
i
i
= 3.4V
=10MHz
= 2.5MHz
= Max.
(3)
Min.
Test Conditions
5.5
1.5
5.5
1.5
5.5
1.5
5.5
1.5
(2)
4
IDT74FCT621T
CC
CC
CC
(1)
Max.
V
V
V
V
V
V
V
V
V
V
12.5
8.5
8.5
13
14
14
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
8
8
= V
= V
= V
= GND
= 3.4V
= 3.4V
= GND
= GND
= GND
= GND
CC
CC
CC
INDUSTRIAL TEMPERATURE RANGE
Min.
Min.
—
—
—
—
—
—
5.5
1.5
5.5
1.5
5.5
1.5
5.5
1.5
(2)
IDT74FCT621AT
Typ.
0.15
0.5
1.5
1.8
3
5
(2)
Max.
6.8
6.4
6.8
6.4
12
12
13
13
Max.
0.25
14
3.5
4.5
6
2
(5)
(5)
mA/MHz
Unit
mA
mA
Unit
ns
ns
ns
ns