参数资料
型号: 37C669
厂商: SMSC Corporation
英文描述: DIODE SCHOTTKY SINGLE 25V 200mW 0.5V-vf 200mA-IFM 30mA-IF 2uA-IR SOD-323 3K/REEL
中文描述: 电脑98/99顺从超级I / O软盘控制器与红外线支持
文件页数: 86/164页
文件大小: 621K
代理商: 37C669
28
Table 11 - Data Rates
DRIVE RATE
DATA RATE
DENSEL (1)
DRATE (2)
DRT1
DRT0
SEL1
SEL0
MFM
FM
IDENT=1
IDENT=0
1
2
0
1
1Meg
---
1
0
1
0
500
250
1
0
1
300
150
0
1
0
1
0
1
0
250
125
0
1
0
1
1Meg
---
1
0
1
0
1
0
500
250
1
0
1
0
1
500
250
0
1
0
1
0
1
0
250
125
0
1
0
1
0
1
1Meg
---
1
0
1
0
500
250
1
0
1
0
1
2Meg
---
0
1
0
1
0
1
0
250
125
0
1
0
Drive Rate Table (Recommended) 00 = 360K, 1.2M, 720K, 1.44M and 2.88M Vertical Format
01 = 3-Mode Drive
10 = 2 Meg Tape
Note 1:
This is for DENSEL in normal mode.
Note 2:
This is for DRATE0, DRATE1 when Drive Opt are 00.
Table 12 - Default Precompensation Delays
*The 2 Mbps data rate is only available if VCC = 5V.
DATA RATE
PRECOMPENSATION
DELAYS
2 Mbps
1 Mbps
500 Kbps
300 Kbps
250 Kbps
125 ns
41.67 ns
125 ns
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