SM5009 series
FUNCTIONAL DESCRIPTION
Standby Function
5009 AL
×
series
When INHN goes LOW, the oscillator stops and the oscillator output on Q becomes high impedance.
5009AH
×
, AK
×
, AN
×
, CN
×
series
When INHN goes LOW, the output on Q becomes high impedance, but internally the oscillator does not stop.
Version
AL
×
series
AH
×
, AK
×
, AN
×
, CN
×
series
INHN
HIGH (or open)
LOW
HIGH (or open)
LOW
Q
Any f
O
, f
O
/2, f
O
/4, f
O
/8, f
O
/16 or f
O
/32 output frequency
High impedance
Any f
O
, f
O
/2, f
O
/4, f
O
/8, f
O
/16 or f
O
/32 output frequency
High impedance
Oscillator
Normal operation
Stopped
Normal operation
Normal operation
Power-saving Pull-up Resistor (AL
×
series only)
The INHN pull-up resistance changes in response to the input level (HIGH or LOW). When INHN goes LOW
(standby state), the pull-up resistance becomes large to reduce the current consumption during standby.
Current consumption and Output waveform with NPC’s standard crystal
Cb
f [MHz]
30
40
R [Ω]
17.2
16.8
L [mH]
4.36
2.90
Ca [fF]
6.46
5.47
Cb [pF]
2.26
2.08
L
Ca
R
SEIKO NPC CORPORATION —4
SEIKO [ SEIKO EPSON CORPORATION ]
