upd6461 Renesas Electronics Corporation., upd6461 Datasheet - Page 51

• Manufacturer Part Number: upd6461
• Description: Cmos Lsi Chip For Camcorder On-screen Character Display 12 Rows X 24 Columns
• Manufacturer: Renesas Electronics Corporation.

RECOMMENDED OPERATING TIMINGS (T
Note
Setup time
Hold time
Minimum low level width of clock
Minimum high level width of clock
Clock cycle
CS setup time
CS hold time
Delay time from CLK↑ → CS↑
Minimum low level width of Hsync
Minimum low level width of Vsync
When 2-byte continuous command end code is used, condition <1> can be applied.
Parameter
DATA
CLK
CS
Hsync
Vsync
90 %
10 %
10 %
t
CSS
10 %
t
t
SET
CKL
t
TCK
Symbol
t
t
HWL
VWL
t
t
DCKCS
t
t
t
t
t
HOLD
t
t
t
A
SET
CKL
CKH
TCK
CSS
CSH
HWL
VWL
t
t
HOLD
CKH
= –20 to +75°C, V
Data Sheet S13320EJ2V0DS
90 %
<1> In case of 1-byte or 2-byte
<2> In case of 2-byte continuous
10 %
10 %
command
command
Conditions
DD
Note
= 2.7 to 5.5 V)
90 %
t
10 %
DCKCS
Min.
200
200
400
400
400
400
400
1.0
3
4
8
t
CSH
90 %
Typ.
µ PD6461, 6462
Max.
Unit
ns
ns
ns
ns
µ s
ns
ns
ns
µ s
µ s
µ s
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