IDT74FST163P245 Integrated Device Technology, IDT74FST163P245 Datasheet - Page 4

• Manufacturer Part Number: IDT74FST163P245
• Description: 16-bit Bus Switch
• Manufacturer: Integrated Device Technology

NOTES:
1. For conditions shown as Max. or Min., use appropriate value specified under Electrical Characteristics for the applicable device type. T
2. Typical values are at V
3. Per TTL driven input (V
4. This parameter represents the current required to switch the internal capacitance of the control inputs at the specified frequency.
5. C
6. I
SWITCHING CHARACTERISTICS OVER OPERATING RANGE
Following Conditions Apply Unless Otherwise Specified:
Industrial: T
NOTES:
1. See test circuits and waveforms.
2. The bus switch contributes no Propagation Delay other than the RC Delay of the load interacting with the RC of the switch.
3.
POWER SUPPLY CHARACTERISTICS
IDT74FST163P245
16-BIT BUS SWITCH
Symbol
Switch inputs generate no significant power supply currents as they transition. This parameter is not directly testable, but is derived for use in Total Power Supply Calculations.
C
I
I
∆I
D
N
I
f
N = Number of Control Inputs Toggling at f
Symbol
|Q
from the DISCONNECT of the first path is compensated by the CONNECT of the second path.
C
C
CC
CCD
i
PD
PD
H
T
= Control Input Frequency
|Q
∆I
I
CC
= I
= I
t
t
t
t
t
t
CI
CCD
PLH
PHL
PZH
PZL
PHZ
PLZ
I
= Number of TTL Inputs at D
= Duty Cycle for TTL Inputs High
= Quiescent Current
C
CC
|
CI
= I
= Power Dissipation Capacitance
QUIESCENT
CC
= Dynamic Current Caused by an Input Transition Pair (HLH or LHL)
= Power Supply Current for a TTL High Input (V
is the charge injection for a single switch DISCONNECT and applies to either single switches or multiplexers. Charge injection is reduced because the injection
|
CCD
+ ∆I
/V
A
CC
CC
= -40°C to +85°C, V
Quiescent Power Supply Current
TTL Inputs HIGH
Dynamic Power Supply
Current
Total Power Supply Current
Description
Data Propagation Delay
A to B, B to A
Switch CONNECT Delay
xOE to A or B
Switch DISCONNECT Delay
xOE to A or B
Charge Injection During Switch DISCONNECT
xOE to A or B
+ I
D
H
INPUTS
N
T
+ I
(4,5)
CC
+ I
CCD
IN
= 3.4V). All other inputs at V
DYNAMIC
= 5.0V, +25°C ambient.
Parameter
(f
(2)
i
(3)
N)
H
CC
= 5.0V ± 10%
i
(6)
IN
CC
= 3.4V)
V
V
V
One Enable Pin Toggling
50% Duty Cycle
V
Two Enable Pins Toggling
f
50% Duty Cycle
or GND. Switch inputs do not contribute to ∆I
i
IN
CC
CC
CC
= 10MHz
= 3.4V
= Max., Outputs Open
= Max., Outputs Open
= Max.
(3)
Test Conditions
4
V
V
V
V
V
V
(1)
IN
IN
IN
IN
IN
IN
= V
= V
= V
= 3.4V
= GND
= GND
CC
CC
CC
CC.
Min.
1.5
1.5
—
—
(1)
INDUSTRIAL TEMPERATURE RANGE
Typ.
1.5
—
—
—
Min.
—
—
—
—
A
Typ.
= –40°C to +85°C
240
0.5
4.8
5.3
(2)
Max.
0.25
6.5
5.5
—
Max.
320
1.5
6.4
7.9
Enable
MHz/
Unit
µA/
mA
mA
Unit
pC
ns
ns
ns