LMX2310U Datasheet, PDF (6/29 Pages) National Semiconductor (TI) – PLLatinum™ Ultra Low Power Frequency Synthesizer for RF Personal Communications

Electrical Characteristics (Continued)
V_CC = V_P = V_µC = 3.0V, −40˚C < T_A < +85˚C unless specified otherwise.
Symbol
Parameter
Conditions (Note 3)
CHARGE PUMP
ICPo-_source
ICPo-_sink
ICPo-_source
ICPo-_sink
ICPo-_tri
Charge Pump Output
Current (Note 7)
Charge Pump TRI-STATE
Current
VCPo = Vp/2, ICPo_4X = 0
VCPo = Vp/2, ICPo_4X = 0
VCPo = Vp/2, ICPo_4X = 1
VCPo = Vp/2, ICPo_4X = 1
0.5V ≤ VCPo ≤ V_P − 0.5V
ICPo-_sink vs.
ICPo-_source
CP Sink vs. Source
Mismatch
VCPo = Vp/2
T_A = 25˚C
(Note 8)
ICPo vs VCPo CP Current vs. Voltage
ICPo vs T_A
CP Current vs.
Temperature
0.5V ≤ VCPo ≤ V_P − 0.5V
T_A = 25˚C (Note 8)
VCPo = Vp/2V (Note 7)
DIGITAL INTERFACE (Data, Clock, LE, CE)
V_IH
High-level Input Voltage V_µC = 1.72V to 5.5V
V_IL
Low-level Input Voltage V_µC = 1.72V to 5.5V
I_IH
High-level Input Current V_IH = V_µC= 5.5V
I_IL
Low-level Input Current V_IL = 0V, V_µC = 5.5V
V_OH
High-level Output Voltage I_OH = 500 µA
(Pin 7–FoLD)
High-level Output Voltage I_OH = −500 µA
(Pin 15–FL)
V_OL
Low-level Output Voltage I_OL = 1.0 mA (Note 9)
MICROWIRE TIMING (Data, Clock, LE, CE)
t_CS
t_CH
t_CWH
t_CWL
t_ES
Data to Clock Set Up Time (Note 10)
Data to Clock Hold Time (Note 10)
Clock Pulse Width High (Note 10)
Clock Pulse Width Low (Note 10)
Clock to Load Enable Set (Note 10)
Up Time
t_EW
Load Enable Pulse Width (Note 10)
Min
0.8
−0.8
3.2
−3.2
−2.5
0.8 V_µC
−1.0
−1.0
V_µC − 0.4
V_CC − 0.4
50
20
50
50
50
50
Typ
Max
1.0
1.2
−1.0
−1.2
4.0
4.8
−4.0
−4.8
2.5
Units
mA
mA
mA
mA
nA
3
10
%
8
15
%
8
%
V
0.2 V_µC
V
1.0
µA
1.0
µA
V
V
0.1
0.4
V
ns
ns
ns
ns
ns
ns
www.national.com
6