TC1797_14 Datasheet, PDF (155/192 Pages) Infineon Technologies AG – 32-Bit Single-Chip Microcontroller

5.3.2 Output Rise/Fall Times
TC1797
Electrical Parameters
Table 17 Output Rise/Fall Times (Operating Conditions apply)
Parameter
Symbol
Values
Unit Note / Test Condition
Min. Typ. Max.
Class A1 Pads
Rise/fall times¹⁾ t_RA1, t_FA1 –
–
50
ns Regular (medium) driver, 50 pF
140
Regular (medium) driver, 150 pF
18000
Regular (medium) driver, 20 nF
150
Weak driver, 20 pF
550
Weak driver, 150 pF
65000
Weak driver, 20 000 pF
Class A2 Pads
Rise/fall times t_RA2, t_FA2 – – 3.7 ns Strong driver, sharp edge, 50 pF
1)
7.5
Strong driver, sharp edge, 100pF
7
Strong driver, med. edge, 50 pF
18
Strong driver, soft edge, 50 pF
50
Medium driver, 50 pF
140
Medium driver, 150 pF
18000
Medium driver, 20 000 pF
150
Weak driver, 20 pF
550
Weak driver, 150 pF
65000
Weak driver, 20 000 pF
Class B Pads 3.3V ± 5%
Rise/fall times t_RB, t_FB – – 3.0 ns 35 pF
1)2)
3.7
50 pF
7.5
100 pF
Class B Pads 2.5V ± 5%
Rise/fall times t_RB, t_FB – – 3.7 ns 35 pF
1)3)
4.6
50 pF
9.0
100 pF
Class F Pads
Rise/fall times t_RF1, t_RF1 – – 2
ns LVDS Mode
Rise/fall times t_RF2, t_RF2 – – 60
ns CMOS Mode, 50 pF
1) Not all parameters are subject to production test, but verified by design/characterization and test correlation.
2) Parameter test correlation for V_DDEBU = 2.5 V ± 5%
3) Parameter test correlation for V_DDEBU = 2.5 V ± 5%
Data Sheet
151
V1.3, 2014-08