TMS470R1B768_08 Datasheet, PDF (33/49 Pages) Texas Instruments – 16/32-Bit RISC Flash Microcontroller

TMS470R1B768
www.ti.com ......................................................................................................................................................... SPNS108B – AUGUST 2005 – REVISED MAY 2008
OUTPUT TIMINGS
Switching Characteristics for Output Timings versus Load Capacitance _L)
(see Figure 10)
PARAMETER
C_L = 15 pF
t_r
Rise time, CLKOUT, AWD, TDO
C_L = 50 pF
C_L = 100 pF
C_L = 150 pF
C_L = 15 pF
t_f
Fall time, CLKOUT, AWD, TDO
C_L = 50 pF
C_L = 100 pF
C_L = 150 pF
C_L = 15 pF
t_r
Rise time, SPInCLK, SPInSOMI, SPInSIMO⁽¹⁾
C_L = 50 pF
C_L = 100 pF
C_L = 150 pF
C_L = 15 pF
t_f
Fall time, RST, SPInCLK, SPInSOMI, SPInSIMO⁽¹⁾
C_L = 50 pF
C_L = 100 pF
C_L = 150 pF
C_L = 15 pF
t_r
Rise time, all other output pins
C_L = 50 pF
C_L = 100 pF
C_L = 150 pF
C_L = 15 pF
t_f
Fall time, all other output pins
C_L = 50 pF
C_L = 100 pF
C_L = 150 pF
(1) Where n = 1-5.
MIN
MAX UNIT
0.5
2.50
1.5
5
ns
3
9
4.5
12.5
0.5
2.5
1.5
5
ns
3
9
4.5
12.5
2.5
8
5
14
ns
9
23
13
32
2.5
8
5
14
ns
9
23
13
32
2.5
12
6.0
28
ns
12
50
18
73
3
12
8.5
28
ns
16
50
23
73
Output
t_r
80%
t_f
V_CC
80%
20%
20% ₀
Figure 10. CMOS-Level Outputs
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