參數(shù)資料
型號: TMS320C240PQQ
英文描述: 16-Bit Microcontroller
中文描述: 16位微控制器
文件頁數(shù): 75/105頁
文件大小: 1481K
代理商: TMS320C240PQQ
TMS320C240, TMS320F240
DSP CONTROLLERS
SPRS042D – OCTOBER 1996 – REVISED NOVEMBER 1998
75
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
I/O timing variation with load capacitance: SPICE simulation results
2.2 V
0.8 V
Condition: Temperature
Capacitance
Voltage
: – 40 to 150
°
C
: 5–125pF
: 5.0 V
Figure 29. Rise and Fall Time Diagram
Table 19. Timing Variation With Load Capacitance: [V
CC
= 5 V, V
OH
= 2.2 V, V
OL
= 0.8 V]
– 40
°
C
27
°
C
150
°
C
RISE
FALL
RISE
FALL
RISE
FALL
5 pF
2.5 ns
3.6 ns
3.1 ns
4.5 ns
4.3 ns
6.2 ns
25 pF
3.1 ns
4.6 ns
4.0 ns
5.7 ns
5.6 ns
7.8 ns
50 pF
3.9 ns
5.9 ns
5.0 ns
7.3 ns
7.2 ns
9.9 ns
75 pF
4.7 ns
7.3 ns
6.1 ns
8.9 ns
8.8 ns
11.7 ns
100 pF
5.4 ns
8.9 ns
7.2 ns
10.6 ns
10.5 ns
13.8 ns
125 pF
6.2 ns
10.4 ns
8.3 ns
12.2 ns
12.1 ns
15.8 ns
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