參數(shù)資料
型號(hào): SAA5355
廠商: NXP SEMICONDUCTORS
元件分類: 顯示控制器
英文描述: Single-chip colour CRT controller FTFROM
中文描述: 40 X 80 CHARACTERS CRT CHAR DSPL CTLR, PDIP40
文件頁(yè)數(shù): 9/31頁(yè)
文件大?。?/td> 335K
代理商: SAA5355
March 1986
9
Philips Semiconductors
Product specification
Single-chip colour CRT controller
(FTFROM)
SAA5355
CLKO, F1/F6, R, G, B, VDS
FS/DDA, OD
(notes 6, 7 and Fig.6)
CLKO HIGH time
CLKO LOW time
CLKO rise and fall times
t
CLKH
t
CLKL
t
CLKr
t
CLKf
t
VCH
t
VOC
t
COV
25
15
10
ns
ns
ns
CLKO HIGH to R, G, B, VDS change
R, G, B, VDS valid to CLKO rise
CLKO HIGH to R, G, B, VDS valid
CLKO HIGH to R, G, B, VDS floating
after OD fall
Skew between outputs R, G, B, VDS
R, G, B, VDS rise and fall times
CLKO HIGH to R, G, B, VDS active
after OD rise
CLKO HIGH to FS/DDA change
FS/DDA valid to CLKO rise
F1 HIGH time (note 8)
F1 LOW time (note 8)
F6 HIGH time
F6 LOW time
OD to CLKO rise set-up
OD to CLKO HIGH hold
10
10
60
ns
ns
ns
t
FOD
t
VS
t
Vr
, t
Vf
0
30
20
30
ns
ns
ns
t
UOD
t
DCH
t
DOC
t
F1H
t
F1L
t
F6H
t
F6L
t
ODS
t
ODH
0
10
5
500
500
83
83
60
60
45
0
ns
ns
ns
ns
ns
ns
ns
ns
ns
MEMORY ACCESS TIMING
(notes 9, 10 and Fig.7)
UDS, LDS, AS
Cycle time
UDS HIGH to bus-active for address output
Address valid set-up to AS fall
Address valid hold from AS LOW
Address float to UDS fall
AS LOW to UDS fall delay
UDS, LDS HIGH time
UDS, LDS LOW time
AS HIGH time
AS LOW time
t
cyc
t
SAA
t
ASU
t
ASH
t
AFS
t
ATD
t
HDS
t
LDS
t
HAS
t
LAS
75
20
20
0
50
220
200
125
320
500
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
PARAMETER
SYMBOL
MIN.
TYP.
MAX.
UNIT
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