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參數(shù)資料
| 型號(hào)： | LC895124 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | CD-ROM Driver with On-Chip SCSI Interface and Subcode Functions(CD-ROM驅(qū)動(dòng)器帶片上SCSI接口和子代碼功能) |
| 中文描述： | 的CD - ROM驅(qū)動(dòng)器，片SCSI接口和子碼功能（光盤驅(qū)動(dòng)器帶片上的SCSI接口和子代碼功能） |
| 文件頁(yè)數(shù)： | 2/8頁(yè) |
| 文件大?。?/td> | 83K |
| 代理商： | LC895124 |
Allowable Operating Ranges
at Ta = –30 to +70°C, V
SS
= 0 V
DC Characteristics
at V
SS
= 0 V, V
DD
= 4.5 to 5.5 V, Ta = –30 to +70°C
Note: The subcode-related pins in group (1) are not provided by the LC895124.
SCSI Pin Input Characteristics
Sample Recommended Oscillator Circuit
R1 = 120 k
R2 = 47
C1 = 30 pF
Crystal oscillator frequencies: XTALCK0 = 16.9344 MHz and XTALCK1 = 20 MHz
or:
R1 = 3.3 k
R2 = None
C1 = 5 pF
Crystal oscillator frequency: XTALCK0 = 33.8688 MHz
If third harmonic overtones appear when using a 33.8688 MHz frequency with the
recommended circuit example, consult with the manufacturer of the crystal
element, since detailed values of the circuit constants will be influenced by the
printed circuit board.
No. 5240-2/8
LC895124
Parameter
Symbol
Applicable Pins
min
typ
max
Unit
Input high level voltage
V
IH
1
V
IL
1
V
IH
2
V
IL
2
V
IH
3
V
IL
3
All input pins other than (1), (3), and XTALCK
2.2
V
Input low level voltage
0.8
V
Input high level voltage
RESET, IO0 to IO15, D0 to D7, RD, CS, WR, WFCK,
SBSO, SCOR (1)
2.5
V
Input low level voltage
0.6
V
Input high level voltage
Input pins (3), ACK, and ATN
2.0
V
Input low level voltage
0.8
V
Output high level voltage
V
OH
1
I
OH
1 = –2 mA: All output pins except (2), (3),
and XTALCK, IO0 to IO15, and D0 to D7
2.4
V
Output low level voltage
V
OL
1
I
OL
1 = 2 mA: All output pins except (2), (3),
and XTALCK, IO0 to IO15, and D0 to D7
0.4
V
Output low level voltage
V
OL
2
I
OL
2 = 2 mA: INT1, INT0, and ZSWAIT
(open-drain outputs with pull-up resistors) (2)
0.4
V
Output low level voltage
V
OL
3
I
OL
3 = 48 mA: DB0, to DB7, DBP, BSY, I/O, MSG,
SEL, RST, REQ, C/D (3)
0.4
V
Input leakage current
I
L
V
I
= V
SS
, V
DD
: All input pins
IO0 to IO15, D0 to D7, INT0, INT1, ZSWAIT
–25
+25
μA
k
Pull-up resistance
R
UP
40
80
160
Parameter
Symbol
Conditions
min
typ
max
Unit
Supply voltage
V
DD
V
IN
4.5
5.0
5.5
V
Input voltage range
0
V
DD
V
Parameter
Symbol
Conditions
min
typ
max
Unit
Input threshold voltage
V
t + t1
V
t – t1
V
tt1
V
DD
= 4.5 to 5.5 V
1.60
2.00
V
0.80
1.11
V
Hysteresis width
V
DD
= 5.0 V
0.41
0.49
V
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