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參數(shù)資料
| 型號： | IDT73720A |
| 廠商： | Integrated Device Technology, Inc. |
| 英文描述： | 16-BIT TRI-PORT BUS EXCHANGER |
| 中文描述： | 16位的三端口總線交換 |
| 文件頁數(shù)： | 6/8頁 |
| 文件大?。?/td> | 74K |
| 代理商： | IDT73720A |
IDT73720/A 16-BIT TRI-PORT BUS EXCHANGER
COMMERCIAL TEMPERATURE RANGE
11.5
6
NOTES:
1. For conditions shown as max. or min., use appropriate V
CC
value.
2. Typical values are at V
CC
= 5.0V, +25
°
C ambient.
3. Not more than one output should be shorted at a time. Duration of the short circuit test should not exceed one second.
4. Per TTL driven input (V
IN
= 3.4V); all other inputs at V
CC
or GND.
5. This parameter is not directly testable, but is derived for use in Total Power Supply Calculations.
6. I
C
= I
QUIESCENT
+ I
INPUTS
+ I
DYNAMIC
I
C
= I
CC
+
I
CC
D
H
N
T
+ I
CCD
(f
CP
/2 + f
i
N
i
)
I
CC
= Quiescent Current
I
CC
= Power Supply Current for a TTL High Input (V
IN
= 3.4V)
D
H
= Duty Cycle for TTL Inputs High
N
T
= Number of TTL Inputs at D
H
I
CCD
= Dynamic Current Caused by an Input Transition Pair (HLH or LHL)
f
CP
= Clock Frequency for Register Devices (Zero for Non-Register Devices)
f
i
= Input Frequency
N
i
= Number of Inputs at f
i
All currents are in milliamps and all frequencies are in megaherz.
DC ELECTRICAL CHARACTERISTICS
(V
CC
= 5.0V
±
5%, T
A
= 0
°
C to +70
°
C)
Test Conditions
(1)
V
IH
Input HIGH Level
V
IL
Input LOW Level
I
IH
Input HIGH Current
V
CC
= Max., V
IH
= 2.7V
Symbol
Parameter
Min.
2.0
—
—
—
—
—
—
–60
2.4
—
—
Typ.
(2)
—
—
—
—
—
—
–0.7
—
3.3
0.3
200
Max.
—
0.8
5.0
5.0
–5.0
–5.0
–1.2
–200
—
0.5
—
Unit
V
V
μ
A
Inputs only
I/O pins
Inputs only
I/O pins
I
IL
Input LOW Current
V
CC
= Max., V
IL
= 0.5V
μ
A
V
IK
I
OS
(3)
V
OH
V
OL
V
H
Clamp Diode Voltage
Short Circuit Current
Output HIGH Voltage
Output LOW Voltage
Input Hysteresis
All inputs
Quiescent Power
Supply Current
Quiescent Power
Supply Current
Dynamic Power
Supply Current
(5)
V
CC
= Min., I
IN
= –18mA
V
CC
= Max., V
O
= GND
V
CC
= Min., V
IN
= V
IH
or V
IL
, I
OH
= –12mA
V
CC
= Min., V
IN
= V
IH
or V
IL
, I
OL
= 12mA
V
CC
= 5V
V
mA
V
V
mV
I
CC
V
CC
= Max.
V
IN
= GND or V
CC
V
CC
= Max.
V
IN
=3.4 V
(4)
V
CC
= Max.
V
IN
= V
CC
or GND
Outputs Disabled
OE
= V
CC
One Input Toggling
50 % Duty Cycle
—
0.2
1.5
mA
I
CC
—
0.5
2.0
mA/
Input
mA/
MHz
I
CCD
—
0.25
0.5
I
C
Total Power Supply
Current
(6)
V
CC
= Max.
V
IN
= V
CC
or GND
Outputs Disabled
50 % Duty Cycle
OE
= V
CC
fi = 10MHz
One Bit Toggling
—
2.7
6.5
mA
AC TEST CONDITIONS
Input Pulse Levels
Input Rise/Fall Times
Input Timing Reference Levels
Output Reference Levels
Output Load
GND to 3.0V
5ns
1.5V
1.5V
See Figure 5
2527 tbl 06
2527 tbl 05
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