SM8578BV
Oscillator Characteristics
Ta = 25°C, CG = 10pF, X’tal = NPC reference crystal (CI = 30kΩ, CL = 6pF) unless otherwise noted.
Parameter
Symbol
Condition
Oscillator startup time
Oscillator stop voltage
Frequency voltage characteristic
Frequency accuracy
Output capacitance
T STA
V STO
f/V
εIC
CD
VDD = 1.6V
VDD = 1.6 to 5.5V
VDD = 5.0V
VDD = 5.0V
Rating
Unit
min
typ
max
–
–
5.0
s
–
–
1.5
V
−2
–
2
ppm/V
−10
–
10
ppm
–
15
–
pF
AC Characteristics
VSS = 0V, Ta = −40 to +85°C unless otherwise noted.
Parameter
Symbol
Condition
VDD = 5.0V ± 10%
VDD = 3.0V ± 10%
Unit
min
typ
max
min
typ
max
CLK clock cycle
CLK HIGH-level pulsewidth
CLK LOW-level pulsewidth
CE setup time
CE hold time
CE recovery time
CLK hold time
Write data setup time
Write data hold time
Read data output delay time
Output disable delay time
Input rise and fall time
Abnormal oscillation detection
time
t CLK
t WH
t WL
t CS
t CH
t CR
t CKH
t DS
t DH
t RD
CL = 50pF
t RZ
CL = 50pF
RL = 10kΩ
t RF
tOSC
600
–
–
1200
–
–
ns
300
–
–
600
–
–
ns
300
–
–
600
–
–
ns
150
–
–
300
–
–
ns
200
–
–
400
–
–
ns
300
–
–
600
–
–
ns
50
–
–
100
–
–
ns
50
–
–
100
–
–
ns
50
–
–
100
–
–
ns
–
–
200
–
–
400
ns
–
–
100
–
–
200
ns
–
–
20
–
–
40
ns
10
–
–
10
–
–
ms
NIPPON PRECISION CIRCUITS INC.—4