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參數(shù)資料
| 型號： | IDTQS316212PV |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | QUICKSWITCH PRODUCTS HIGH-SPEED CMOS 24-BIT BUS-EXCHANGE SWITCH |
| 中文描述： | 316212 SERIES, DUAL 12-BIT EXCHANGER, TRUE OUTPUT, PDSO56 |
| 封裝： | SSOP-56 |
| 文件頁數(shù)： | 4/5頁 |
| 文件大小： | 40K |
| 代理商： | IDTQS316212PV |
4
INDUSTRIAL TEMPERATURE RANGE
IDTQS316212
HIGH-SPEED CMOS 24-BIT BUS-EXCHANGE SWITCH
NOTES:
1. For conditions shown as Mn. or Max., use the appropriate values specified under DC Electrical Characteristics.
2. Per TTL-driven input (V
IN
= 3.4V). A and B pins do not contribute to
Icc.
3. This current applies to the control inputs only and represents the current required to switch internal capacitance at the specified frequency. The A and B inputs generate no significant
AC or DC currents as they transition. This parameter is guaranteed but not production tested.
POWER SUPPLY CHARACTERISTICS
Symbol
Parameter
I
CCQ
Quiescent Power Supply Current
I
CC
Power Supply Current per Control Input HIGH
(2)
I
CCD
Dynamc Power Supply Current per MHz
(3)
Test Conditions
(1)
Max.
3
2.5
0.25
Unit
μA
mA
V
CC
= Max., V
IN
= GND or V
CC
, f = 0
V
CC
= Max., V
IN
= 3.4V, f = 0
V
CC
= Max., A and B Pins Open, Control Inputs Toggling @ 50% Duty Cycle
mA/MHz
SWITCHING CHARACTERISTICS OV ER OPERATING RANGE
T
A
= -40°C to +85°C, V
CC
= 5V ± 10%
C
LOAD
= 50pF, R
LOAD
= 500
unless otherwise noted.
Symbol
t
PLH
t
PHL
t
PZL
t
PZH
t
PLZ
t
PHZ
Parameter
Data Propagation Delay
(2)
xAx to xBx, xBx to xAx
Switch Turn-On Delay
Sx to xAx, xBx
Switch Turn-Off Delay
(2)
Sx to xAx, xBx
Mn
.
(1)
Typ.
Max.
0.25
(3)
Unit
ns
1.5
6.5
ns
1.5
6.2
ns
NOTES:
1. Mnimums are guaranteed but not production tested.
2. This parameter is guaranteed but not production tested.
3. The bus switch contributes no propagation delay other than the RC delay of the ON resistance of the switch and the load capacitance. The time constant for the switch alone
is of the order of 0.25ns at C
L
= 50pF. Since this time constant is much smaller than the rise and fall times of typical driving signals, it adds very little propagation delay to the
system Propagation delay of the bus switch, when used in a system is determned by the driving circuit on the driving side of the switch and its interaction with the load on
the driven side.
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