參數(shù)資料
型號： MC145574
廠商： Motorola, Inc.
英文描述： ISDN S/T-Interface Transceiver
中文描述： 綜合業(yè)務(wù)數(shù)字網(wǎng)S / T的接口收發(fā)器
文件頁數(shù)： 123/164頁
文件大?。?/td> 1072K
代理商： MC145574
MC145574
18–1
MOTOROLA
This device contains circuitry to protect the inputs against damage due to high static voltages or electri-
cal fields; however, it is advised that normal precautions be taken to avoid applications of any voltage
higher than maximum rated voltages to this high–impedance circuit. For proper operation, it is recom-
mended that Vin and Vout be constrained in the range VSS
≤
(Vin or Vout)
≥
VDD5. Reliability of operation
is enhanced if unused inputs are tied to an appropriate logic voltage (e.g., either VSS or VDD5). All
of the reliability data and the ESD results are available on request from your local sales office or your
nearest distributor.
MAXIMUM RATINGS
(Voltages Referenced to VSS)
Symbol
Parameter
ááááááááááááááááááá
ááááááááááááááááááá
ááááááááááááááááááá
ááááááááááááááááááá
NOTE: Maximum Ratings are those values beyond which damage to the device may occur.
Functional operation should be restricted to the limits in the Electrical Characteris-
tics tables or Pin Description section.
Value
Unit
VDD5
Vin
Supply Voltage
Input Voltage (Any Pin to VSS)
I
DC Current (Any Pin Excluding VDD5,
– 0.5 to + 7
– 0.3 to VDD5 + 0.3
10
V
V
mA
ááááááááááááááááááá
ááááááááááááááááááá
ááááááááááááááááááá
(TA = – 40 to + 85
°
C, VDD5 = 5.0 V
±
5%, Voltages Referenced to VSS)
Characteristic
Symbol
Min
Max
Unit
Input High Voltage
VIH
VIL
lin
Ilkg(Z)
2.0
—
V
Input Low Voltage
—
0.8
V
Input Leakage Current @ 5.25 V
—
5
μ
A
High Impedance Input Current @ 4.5/0.5 V
—
10
μ
A
Input Capacitance
Cin
VOH
VOL
VIH(X)
VIL(X)
IOH(X)
IOL(X)
—
10
pF
Output High Voltage (IOH = – 400
μ
A)
Output Low Voltage (IOL = 5.0 mA)
XTAL Input High level
2.4
—
V
—
0.4
V
3.0
—
V
XTAL Input Low level
—
0.5
V
EXTAL Output Current (VOH = 4.6 V)
EXTAL Output Current (VOL = 0.4 V)
IRQ Output Low Current (VOL = 0.4 V)
IRQ Output Off State Impedance
—
– 400
μ
A
—
400
μ
A
—
2
mA
100
—
k
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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