参数资料
型号: LMX2377UTM/NOPB
厂商: NATIONAL SEMICONDUCTOR CORP
元件分类: PLL合成/DDS/VCOs
英文描述: PLL FREQUENCY SYNTHESIZER, 2500 MHz, PDSO20
封装: PLASTIC, TSSOP-20
文件页数: 2/44页
文件大小: 3181K
代理商: LMX2377UTM/NOPB
Electrical Characteristics (Continued)
V
CC =VP Main = VP Aux = Vc = 3.0V, 40C
≤ T
A
≤ +85C, unless otherwise specified
Symbol
Parameter
Conditions
Value
Units
Min
Typ
Max
DIGITAL INTERFACE (Data, LE, Clock, F
oLD)
V
IH
High-Level Input Voltage
1.72V
≤ Vc ≤ 5.5V
0.8 Vc
V
IL
Low-Level Input Voltage
1.72V
≤ Vc ≤ 5.5V
0.2 Vc
V
I
IH
High-Level Input Current
V
IH = Vc = 5.5V
1.0
A
I
IL
Low-Level Input Current
V
IL = 0V, Vc = 5.5V
1.0
A
V
OH
High-Level Output Voltage
I
OH = 500 A
V
CC
0.4
V
OL
Low-Level Output Voltage
I
OL = 500 A
0.4
V
MICROWIRE INTERFACE
t
CS
Data to Clock Set Up Time
50
ns
t
CH
Data to Clock Hold Time
20
ns
t
CWH
Clock Pulse Width HIGH
50
ns
t
CWL
Clock Pulse Width LOW
50
ns
t
ES
Clock to Load Enable Set Up Time
50
ns
t
EW
Latch Enable Pulse Width
50
ns
LMX2377U
www.national.com
10
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