參數(shù)資料
型號(hào)： LC78621E
廠商： Sanyo Electric Co.,Ltd.
英文描述： Compact Disc Player DSP(用于CD播放器的8位DSP)
中文描述： 光碟機(jī)的DSP（用于光盤播放器的8位數(shù)字信號(hào)處理器）
文件頁數(shù)： 3/34頁
文件大?。?/td> 417K
代理商： LC78621E
Specifications
Absolute Maximum Ratings
at Ta = 25°C, V
SS
= 0 V
Allowable Operating Ranges
at Ta = 25°C, V
SS
= 0 V
Note: Due to the structure of this LSI, an identical voltage must be supplied to all the power supply pins.
Electrical Characteristics
at Ta = 25°C, V
DD
= 5 V, V
SS
= 0 V
No. 5223-3/34
LC78621E
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
V
DD
max
V
IN
max
V
OUT
max
Pd max
V
SS
– 0.3 to V
SS
+ 7.0
V
SS
– 0.3 to V
DD
+ 0.3
V
SS
– 0.3 to V
DD
+ 0.3
V
Maximum input voltage
V
Maximum output voltage
V
Allowable power dissipation
300
mW
Operating temperature
Topr
–20 to +75
°C
Storage temperature
Tstg
–40 to +125
°C
Parameter
Symbol
Conditions
min
typ
max
Unit
Supply voltage
V
DD
V
DD
, XV
DD
, LV
DD
, RV
DD
, VV
DD
DEFI, FZD, ASDACK, ASDFIN, ASDFIR, ASLRCK,
COIN, RES, HFL, TES, SBCK, RWC, CQCK, TAI,
TEST1 to TEST5, DEMO, CS
3.6
5.5
V
Input high-level voltage
V
IH
(1)
0.7 V
DD
V
DD
V
V
IH
(2)
EFMIN
0.6 V
DD
V
DD
V
DEFI, FZD, ASDACK, ASDFIN, ASDFIR, ASLRCK,
COIN, RES, HFL, TES, SBCK, RWC, CQCK, TAI,
TEST1 to TEST5, DEMO, CS
Input low-level voltage
V
IL
(1)
0
0.3 V
DD
V
V
IL
(2)
t
set up
t
hold
t
WH
t
WL
t
RAC
t
RWC
t
SQE
t
sc
t
se
V
IN
(1)
V
IN
(2)
fop
EFMIN
0
0.4 V
DD
V
Data setup time
COIN, RWC: Figure 1
400
ns
Data hold time
COIN, RWC: Figure 1
400
ns
High-level clock pulse width
SBCK, CQCK: Figures 1, 2 and 3
400
ns
Low-level clock pulse width
SBCK, CQCK: Figures 1, 2 and 3
400
ns
Data read access time
SQOUT, PW: Figures 2 and 3
0
400
ns
Command transfer time
RWC: Figure 1
1000
ns
Subcode Q read enable time
WRQ: Figure 2, with no RWC signal
11.2
ms
Subcode read cycle
SFSY: Figure 3
136
μs
Subcode read enable time
SFSY: Figure 3
400
ns
Input level
EFMIN
1.0
Vp-p
X
IN
: Input capacitor coupled
EFMIN
1.0
Vp-p
Operating frequency range
10
MHz
Crystal oscillator frequency
fX (1)
X
IN
, X
OUT
: In 16M mode
X
IN
, X
OUT
: In 32M mode
16.9344
MHz
fX (2)
33.8688
MHz
Parameter
Symbol
Conditions
min
typ
max
Unit
Current drain
I
DD
30
45
mA
DEFI, EFMIN, FZD, ASDACK, ASDFIN, ASDFIR,
ASLRCK, COIN, RES, HFL, TES, SBCK, RWC,
CQCK: V
IN
= 5 V
TAI, TEST1 to TEST5, DEMO, CS: V
IN
= V
DD
= 5.5 V
DEFI, EFMIN, FZD, ASDACK, ASDFIN, ASDFIR,
ASLRCK, COIN, RES, HFL, TES, SBCK, RWC,
CQCK, TAI, TEST1 to TEST5, DEMO, CS: V
IN
= 0 V
EFMO, EFMO, CLV
+
, CLV
–
, V/P, FOCS, PCK, FSEQ,
TOFF, TGL, THLD, JP
+
, JP
–
, EMPH, EFLG, FSX:
I
OH
= –1 mA
MUTEL, MUTER, LRCKO, DFORO, DFOLO, DACKO,
TST10, LRSY, CK2, ROMXA, C2F, SBSY, PW, SFSY,
WRQ, SQOUT, TST11, 16M, 4.2M, CONT:
I
OH
= –0.5 mA
LASER: I
OH
= –1 mA
DOUT: I
OH
= –12 mA
LCHP, RCHP, LCHN, RCHN: I
OH
= –1mA
Input high-level current
I
IH
(1)
5
μA
I
IH
(2)
25
75
μA
Input low-level current
I
IL
–5
μA
V
OH
(1)
4
V
V
OH
(2)
4
V
Output high-level voltage
V
OH
(3)
V
OH
(4)
V
OH
(5)
V
4.5
V
3.0
4.5
V
Continued on next page.
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