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| 型号： | IDTQS32X2383Q18 |
| 厂商： | QUALITY SEMICONDUCTOR INC |
| 元件分类： | 总线收发器 |
| 英文描述： | QUAD 5-BIT EXCHANGER, TRUE OUTPUT, PDSO48 |
| 封装： | 0.150 INCH, QVSOP-48 |
| 文件页数： | 4/4页 |
| 文件大小： | 64K |
| 代理商： | IDTQS32X2383Q18 |
4
QUALITY SEMICONDUCTOR, INC.
MDSL-00115-04
JULY 31, 1997
QS32X383, QS32X2383
Now
an
Company
QS32X383
QS32X2383
Symbol
Description(1)
Min
Typ
Max
Min
Typ
Max
Unit
t
PLH
Data Propagation Delay(2,4)
—
0.25(3)
—
1.5(3)
ns
tPHL
AiBi to CiDi, CiDi to BiAi
t
PZL
Switch Turn-on Delay
1.5
—
6.5
1.5
—
7.5
ns
t
PZH
BE to Ai, Bi, Ci, Di
t
PLZ
Switch Turn-off Delay(2)
1.5
—
5.5
1.5
—
6.5
ns
t
PHZ
BE to Ai, Bi, Ci, Di
tBX
Switch Multiplex Delay
1.5
—
6.5
1.5
—
7.5
ns
t
PHZ
BX to Ai, Bi, Ci, Di
Symbol
Parameter
Test Conditions(1)
Max
Unit
I
CCQ
Quiescent Power
V
CC = Max., VIN = GND or VCC, f = 0
3.0
mA
Supply Current
I
CC
Power Supply Current
VCC = Max., VIN = 3.4V, f = 0
2.5
mA
per Input HIGH(2)
per Control Input
QCCD
Dynamic Power Supply
Vcc = Max., A and B Pins Open, Control
0.25
mA/
Current per MHz(3)
Inputs Toggling @ 50% Duty Cycle
MHz
Table 7. Switching Characteristics Over Operating Range
TA = –40°C to 85°C, VCC = 5.0V ± 5%
CLOAD = 50pF, RLOAD = 500 unless otherwise noted.
Notes:
1. See Test Circuit and Waveforms. Minimums guaranteed, but not production tested.
2. This parameter is guaranteed, but not production tested.
3. The time constant for the switch alone is of the order of 0.25ns for QS32X383 and 1.25ns for QS32X2383 for C
L = 50pF.
4. The bus switch contributes no propagation delay other than the RC delay of the ON resistance of the switch and the
load capacitance. Since this time constant is much smaller than the rise/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 determined by the
driving circuit on the driving side of the switch and its interaction with the load on the driven side.
Table 6. Power Supply Characteristics Over Operating Range
T
A = –40°C to 85°C, VCC = 5.0V ± 5%
Notes:
1. For conditions shown as Min. or Max., use the appropriate values specified under DC specifications.
2. Per TTL driven input (V
IN = 3.4V, control inputs only). A, B, C, D 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.
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