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LC78681E Arkusz danych(PDF) 4 Page - Sanyo Semicon Device

Numer części LC78681E
Szczegółowy opis  Digital Signal Processor for Compact Disc Players
Download  23 Pages
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Producent  SANYO [Sanyo Semicon Device]
Strona internetowa  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LC78681E Arkusz danych(HTML) 4 Page - Sanyo Semicon Device

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Allowable Operating Ranges at Ta = 25°C, VSS = 0 V
Electrical Characteristics at Ta = 25°C, VSS = 0 V, VDD = 5 V
No. 4521-4/23
LC78681E
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Supply voltage
VDD
VDD
4.5
5.5
V
VIH (1)
TEST1 to 5, AI, FZD, HFL, DEMO, M/L,
0.7 VDD
VDD
V
RES
Input high level voltage
VIH (2)
SBCK, RWC, COIN, CQCK, CS
2.2
VDD
V
VIH (3)
EFMIN
0.6 VDD
VDD
V
VIH (4)
TES
0.8 VDD
VDD
V
VIL (1)
TEST1 to 5, AI, FZD, HFL, DEMO, M/L,
VSS
0.3 VDD
V
RES
Input low level voltage
VIL (2)
SBCK, RWC, COIN, CQCK, CS
VSS
0.8
V
VIL (3)
EFMIN
VSS
0.4 VDD
V
VIL (4)
TES
VSS
0.2 VDD
V
Data setup time
t set up
COIN, RWC: Figure 1
400
ns
Data hold time
t hold
RWC: Figure 1
400
ns
High level clock pulse width
tWøH
SBCK, CQCK: Figures 1, 2 and 3
400
ns
Low level clock pulse width
tWøL
CQCK, SBCK: Figures 1, 2 and 3
400
ns
Data read access time
tRAC
Figures 2 and 3
0
400
ns
Command output time
tRWC
RWC: Figure 1
1000
ns
Sub-Q read enable time
tSQE
Figure 2, no RWC signal
11.2
ms
Subcode read cycle
t sc
Figure 3
136
µs
Subcode read enable
t se
Figure 3
400
ns
Crystal oscillator frequency
fX’tal
XIN, XOUT
16.9344
MHz
Operating frequency range
f op (1)
AI
2.0
20
MHz
f op (2)
EFMIN: VIN ≥ 1 Vpp
10
MHz
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Current drain
IDD
17
30
mA
IIH (1)
AI, EFMIN, FZD, TES, SBCK, COIN,
5µA
Input high level current
CQCK, RES, HFL, RWC, M/L: VIN = VDD
IIH (2)
TEST1 to 5, DEMO, CS:
25
75
µA
VIN = VDD = 5.5 V
Input low level current
IIL (1)
AI, EFMIN, FZD, TES, SBCK, COIN,
–5µA
CQCK, RES, HFL, RWC, M/L: VIN = VSS
AO, PDO, EFMO, EFMO, CLV+, CLV ,
VOH (1)
FOCS, FSEQ, PCK, TOFF, TGL, THLD,
VDD – 1V
JP+, JP, EMPH, EFLG, FSX, V/P:
IOH = –1 mA
Output high level voltage
VOH (2)
DOUT: IOH = –12 mA
VDD – 0.5
V
LASER, SQOUT, 16M, 4.2M, CONT,
WCLK, TEST7, LRCLK, WRQ, C2F,
VOH (3)
DFOUT, DACLK, SFSY, LRSY, SBSY,
VDD – 1V
CK2, PW, ROMOUT, C2FCLK:
IOH = –0.5 mA
Continued on next page.


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