CXD2460R
Inverter I/O Characteristics for Oscillation
Item
Logical Vth
Input voltage
Pins
OSCI
OSCI
Symbol
LVth
V
IH
V
IL
V
OH
V
OL
RFB
f
(Within the recommended operating conditions)
Conditions
Min.
Typ.
V
DD
a/2
0.7V
DD
a
0.3V
DD
a
Max.
Unit
V
V
V
V
V
DD
a/2
500k
20
2M
5M
50
V
Ω
MHz
Output voltage
OSCO
Feed current where I
OH
= –6.0mA V
DD
a/2
Pull-in current where I
OL
= 6.0mA
V
IN
= V
DD
a or Vss
Feedback resistor OSCI, OSCO
Oscillator frequency OSCI, OSCO
Base Oscillation Clock Input Characteristics
Item
Logical Vth
Input voltage
Input amplitude
CKI
Pins
Symbol
LVth
V
IH
V
IL
V
IN
(Within the recommended operating conditions)
Conditions
Min.
Typ.
V
DD
a/2
0.7V
DD
a
0.3V
DD
a
Max.
Unit
V
V
V
Vp-p
fmax 50MHz sine wave
0.3
∗
1
Input voltage is the input voltage characteristics for direct input from an external source. Input amplitude is
the input amplitude characteristics for input through capacitor.
Switching Characteristics
Item
Symbol
TTLM
Rise time
TTMH
TTLH
TTML
Fall time
TTHM
TTHL
VCLH
Output noise
voltage
VCLL
VCMH
VCML
VL to VM
VM to VH
VL to VH
VM to VL
VH to VM
VH to VL
Conditions
(VH = 15.0V, VM = GND, VL = –8.5V)
Min.
Typ.
350
450
50
250
300
50
Max.
550
700
80
400
450
80
1.0
1.0
1.0
1.0
Unit
ns
ns
ns
ns
ns
ns
V
V
V
V
∗
1
The MOS structure of this IC has a low tolerance for static electricity, so full care should be given for
measures to prevent electrostatic discharge.
∗
2
For noise and latch-up countermeasures, be sure to connect a bypass capacitor (0.1µF or more) between
each power supply pin (VH, VL) and GND.
–7–
SONY [ SONY CORPORATION ]
