參數(shù)資料
型號: IDT5T940
廠商: Integrated Device Technology, Inc.
英文描述: PRECISION CLOCK GENERATOR OC-192 APPLICATIONS
中文描述: 精密時(shí)鐘發(fā)生器的OC - 192應(yīng)用
文件頁數(shù): 6/10頁
文件大小: 68K
代理商: IDT5T940
6
INDUSTRIAL TEMPERATURE RANGE
IDT5T940
PRECISION CLOCK GENERATOR OC-192 APPLICATIONS
DC ELECTRICAL CHARACTERISTICS OV ER OPERATING RANGE FOR LV TTL
Symbol
Parameter
Test Conditions
I
IH
Input HIGH Current
V
DD
= 3.465V
I
IL
Input LOW Current
V
DD
= 3.465V
V
IK
Clamp Diode Voltage
V
DD
= 2.375V, I
IN
= -18mA
V
IN
DC Input Voltage
V
IH
DC Input HIGH
V
IL
DC Input LOW
Min.
- 0.3
1.7
Typ.
- 0.7
Max
±1
±1
- 1.2
+3.465
0.7
Unit
μ
A
V
V
V
V
DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE FOR LVPECL
(1)
Symbol
Input Characteristics
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
I
IN
Input Current (CLKIN, REFIN)
Common Mode Input Voltage
Differential Voltage Required to Toggle Input
Output Characteristics
Output Voltage HIGH (termnated through 50
tied to V
DD
- 2V)
(2)
V
OL
Output Voltage LOW (termnated through 50
tied to V
DD
- 2V)
(2)
V
SWING
Peak-to-Peak Output Voltage Swing
V
DD
= 3.465V
-20
1
100
+20
μ
A
V
mV
V
CMR
V
DIF
V
DD
- 0.3
V
OH
V
DD
- 1.15
V
DD
- 1.95
0.55
V
DD
- 0.9
V
DD
- 1.61
0.93
V
V
V
NOTES:
1. V
DD
= 2.375 - 3.645V.
2. Not to exceed V
DD
- 0.05V.
POWER SUPPLY CHARACTERISTICS
(1,2)
Symbol
Parameter
I
DD
_
PD
Power Supply Current
I
DD
Power Supply Current per Input HIGH
(LVTTL inputs only)
I
TOT
Total Power Supply Current
Test Conditions
Typ.
Max
50
100
Unit
μ
A
μ
A
V
DD
= Max.,
PD
= GND, All outputs unloaded
V
DD
= Max., V
IN
= 2.375V
V
DD
= Max., Q
OUT
= 622MHz, All outputs unloaded
200
mA
NOTES:
1. These power consumption characteristics are for all the valid input interfaces and cover the worst case input and output interface combinations.
2. As a general requirement, these parts must be capable of operating at the maximumfrequency under a nomnal load at a reasonable operating temperature. That means that
these parts must not burn up under extended use in a typical application.
NOTE:
1. These inputs are normally wired to V
DD
, GND, or left floating. Internal termnation resistors bias unconnected inputs to V
DD
/2. If these inputs are switched dynamcally after powerup,
the function and timng of the outputs may be glitched, and the PLL may require additional t
AQ
time before all datasheet limts are achieved.
DC ELECTRICAL CHARACTERISTICS OV ER OPERATING RANGE
Symbol
Parameter
V
IHH
Input HIGH Voltage Level
(1)
3-Level Inputs Only
V
IMM
Input MID Voltage Level
(1)
3-Level Inputs Only
V
ILL
Input LOW Voltage Level
(1)
3-Level Inputs Only
V
IN
= V
DD
I
3
3-Level Input DC Current
V
IN
= V
DD
/2
V
IN
= GND
Test Conditions
Min.
Max
Unit
V
V
V
V
DD
– 0.4
V
DD
/2 – 0.2
–50
–200
V
DD
/2 + 0.2
0.4
200
+50
HIGH Level
MID Level
LOW Level
μ
A
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