lc7872e Sanyo Semiconductor Corporation, lc7872e Datasheet - Page 4

• Manufacturer Part Number: lc7872e
• Description: Cd Graphics Decoder
• Manufacturer: Sanyo Semiconductor Corporation

Continued from preceding page.
Output low level voltage
Output off leakage current
Built-in feedback resistance
8-bit D/A converter
reference voltage
8-bit D/A converter
output resistance
8-bit D/A converter output level
Random read/write cycle time
Page mode cycle time
RAS access time
CAS access time
Output turn-off delay time
RAS precharge time
RAS pulse width
RAS pulse width (page mode)
RAS hold time
CAS hold time
CAS pulse width
CAS precharge time
CAS precharge time (page mode)
Row address setup time
Row address hold time
Column address setup time
Column address hold time
Read command setup time
Read command hold time
(referenced to CAS)
Read command hold time
(referenced to RAS)
Write command setup time
Write command hold time
Write command pulse width
Write data setup time
Write data hold time
CAS setup time (CAS before RAS)
CAS hold time (CAS before RAS)
RAS precharge · CAS active time
Video setup time
SBCK output delay time
SBCK cycle frequency
PW setup time
Parameter
Symbol
V
V
t
V
V
t
t
t
OL
OL
I
t
t
t
t
RASP
t
t
t
t
t
t
t
t
t
t
t
t
t
t
R
WCS
WCH
t
PWS
OFF
t
t
RAC
CAC
OFF
t
RAS
RSH
CSH
CAS
CPN
t
ASR
RAH
ASC
CAH
RCS
RCH
RRH
t
t
CSR
CHR
RPC
t
f
R
t
DAC
WP
REF
RC
PC
RP
CP
DS
DH
SD
SC
VS
DA
X
(1)
(2)
VIDEO: Figure 9
Figures 2 and 3
SBCK, WE, RAS, CAS, OE, A0 to A7, DB0 to DB3,
CDGM, TRANS0 to TRANS5, VSYNC, YS, CSYNC,
EFLG, FSX, FSC: I
DO: I
DO, DB0 to DB3
XIN1, XIN2, 4FSC2, FSCIN
VIDEO
VIDEO
Figures 4 and 5
Figure 2
Figures 2 and 4
Figures 2 and 4
Figures 2, 3, 4, 5 and 6
Figures 2, 3 and 6
Figures 4 and 5
Figures 2, 3, 4 and 5
Figures 2 and 3
Figures 2, 3, 4 and 5
Figure 6
Figures 4 and 5
Figures 2, 3, 4 and 5
Figures 2, 3, 4 and 5
Figures 2, 3, 4 and 5
Figures 2, 3, 4 and 5
Figure 2
Figure 2
Figure 2
Figure 3
Figure 3
Figure 3
Figure 3
Figure 3
Figure 6
Figure 6
Figure 6
Superimposition: Figure 7
NTSC mode: Figure 8
PAL mode:
NTSC mode: Figure 8
PAL mode:
Figure 8
O
= 5 mA
O
LC7872E
= 2 mA
Conditions
min
2.40
4.74
4.79
V
V
250
130
100
120
120
100
150
120
120
100
150
100
100
100
SS
SS
–5
60
60
50
50
50
50
50
50
50
50
20
0
2.45
typ
300
224
222
1
18000
max
0.75
2.50
5.03
5.08
210
0.4
+5
10
20
25
No. 4868-4/17
Unit
kHz
kHz
M
µA
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
µs
ns
V
V
V