SH7014 Datasheet, PDF (596/754 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

22. Electrical Characteristics (5 V 28.7 MHz)
Table 22.3 Permitted Output Current Values
Conditions: V_CC = 5.0 V ±10%, AV_CC = 5.0 V ±10%, AV_CC = V_CC ±10%, V_SS = AV_SS = 0 V,
Ta = −20 to +75° C
Item
Symbol Min Typ Max Unit
Output low-level permissible current (per pin) I
OL
⎯
⎯
2.0
mA
Output low-level permissible current (total)
∑I
⎯
⎯
80
mA
OL
Output high-level permissible current (per pin) −I_OH
⎯
⎯
2.0
mA
Output high-level permissible current (total)
∑ (−I_OH) ⎯
⎯
25
mA
Note: To assure LSI reliability, do not exceed the output values listed in this table.
22.3 AC Characteristics
22.3.1 Clock Timing
Table 22.4 Clock Timing
Conditions: V_CC = 5.0 V ±10%, AV_CC = 5.0 V ±10%, AV_CC = V_CC ±10%, V_SS = AV_SS = 0 V,
Ta = −20 to +75° C
Item
Symbol
Operating frequency
f_OP
Clock cycle time
t
cyc
Clock low-level pulse width
t
CL
Clock high-level pulse width
t
CH
Clock rise time
t_CR
Clock fall time
t_CF
EXTAL clock input frequency
f
EX
EXTAL clock input cycle time
t
EXcyc
EXTAL clock low-level input pulse width t
EXL
EXTAL clock high-level input pulse width t_EXH
EXTAL clock input rise time
t_EXR
EXTAL clock input fall time
t
EXF
Reset oscillation settling time
t
OSC1
Standby return clock settling time
t
OSC2
Min
4
34.8
10
10
⎯
⎯
4
100
40
40
⎯
⎯
10
10
Max
28.7
250
⎯
⎯
5
5
10
250
⎯
⎯
5
5
⎯
⎯
Unit
MHz
ns
ns
ns
ns
ns
MHz
ns
ns
ns
ns
ns
ms
ms
Figures
22.1
22.2
22.3
Rev.5.00 Sep. 27, 2007 Page 562 of 716
REJ09B0398-0500