YGV639 Datasheet, PDF (23/34 Pages) YAMAHA CORPORATION – Video Controller 1 with Enhanced Functions

YGV639
● AC Characteristics
● Measurement Conditions
Input Voltage
Input transition time
Measurement reference voltage:
Output load capacitance
0V / V_DD33
1ns (Transition time is specified between V_DD33×0.2 and V_DD33×0.8.)
Input V_IL/V_IH
Output V_DD33/2V
20pF
Clock Input
No.
Items
Symbol Min.
Typ.
XIN Clock Frequency
1
XIN Clock Cycle Time
f_XIN
6
t_XIN
25
DTCKIN Clock Frequency
2
DTCKIN Clock Cycle Time
f_DTCKIN
t_DTCKIN
25
XIN, DTCKIN Clock High Level Pulse
3
Width
t_whCLK
7.5
XIN, DTCKIN Clock Low Level Pulse
4
Width
t_wlCLK
7.5
SYCLK Clock Frequency
5
SYCLK Clock Cycle Time
PLL Out Clock Frequency
6
PLL Out Clock Cycle Time
f_SYCLK
t_SYCLK
f_PLLO
t_PLLO
12.03
252
3.01
DCLK Clock Frequency
7
DCLK Clock Cycle Time
f_DCLK
t_DCLK
25
Note 1) SYCLK is a 1/4 frequency divided internal clock of PLL OUT.
Note 2) DCLK is a dot clock that is used internally.
1, 2
3
4
Max.
40
166
40
Unit Note
MHz
ns
MHz
ns
ns
83.16
332.64
3.96
40
ns
MHz 1
ns 1
MHz 1
ns 1
MHz 2
ns 2
V_IH
0.5V_DD
V_IL
23