IBM PG-FP3 用户手册
CHAPTER 7 HARDWARE SPECIFICATIONS
User's Manual U13502EJ2V0UM00
84
7.4.2 Equivalent Circuit and Load Condition
The interface equivalent circuit between the PG-FP3 and the target and the load condition that must be satisfied by
the target are as follows:
•
SI I/O pin
V
DD
V
DD
Comparator
74LS07
470
Ω
200
Ω
SI
•
SO and RESET output pins
V
DD
470
Ω
200
Ω
74LS07
SO and _RESET
•
CLK output pin
V
DD
200
Ω
AC equivalent BUFF
100 pF
CLK