參數(shù)資料
型號(hào): 37C669
廠商: 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: 電腦98/99順從超級(jí)I / O軟盤控制器與紅外線支持
文件頁數(shù): 57/164頁
文件大?。?/td> 621K
代理商: 37C669
15
DESCRIPTION OF PIN FUNCTIONS
QFP/
TQFP
PIN NO.
NAME
SYMBOL
BUFFER
TYPE
DESCRIPTION
15,72
Power
VCC
Positive Supply Voltage.
6,47,
67,95
Ground
GND
Ground Supply.
Note 1:
Refer to Configuration Register 00 for information on the pull-ups for these pins!
Note IDE does not decode for 377, 3F7
Note RI and the Serial interrupt is always active if system power is applied to the chip.
BUFFER TYPE DESCRIPTIONS
BUFFER TYPE
DESCRIPTION
I/O24
Input/Output. 24 mA sink; 12 mA source
O24
Output. 24 mA sink; 12 mA source
OD48
Open drain. 48 mA sink
O4
Output. 4 mA sink; 2 mA source
OD24
Output. 24 mA sink
OD24P
Open drain. 24 mA sink; 30
A source
OP24
Output. 24 mA sink; 4 mA source
024P
Output. 24 mA sink; 12 mA source; with 30
A pull-up
OCLK
Output to external crystal
ICLK
Input to Crystal Oscillator Circuit (CMOS levels)
I
Input TTL compatible.
IS
Input with Schmitt Trigger.
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