74ls244.txt

利用CANDANCE软件做的一个板级信号完整性分析的例子

(DEVICE FILE: 74LS244)

PACKAGE SOIC20_376
CLASS IC
PINCOUNT 20

PINORDER 74LS244 X1A1 X1A2 X1A3 X1A4 X1G X1Y1 X1Y2 X1Y3 X1Y4 X2A1 X2A2 X2A3 X2A4 X2G X2Y1 X2Y2 X2Y3,
      X2Y4
FUNCTION G1 74LS244 2 4 6 8 1 18 16 14 12 11 13 15 17 19 9 7 5 3

POWER P3_3V ; 20
GROUND GND ; 10

PACKAGEPROP PART_NAME 74LS244

END