Datasheet
RL78/G13  2. ELECTRICAL SPECIFICATIONS (A, D: T
A = -40 to +85°C) 
Page 77 of 194R01DS0131EJ0310 Rev.3.10 
Nov 15, 2013 
2.4 AC Characteristics 
(TA = −40 to +85°C, 1.6 V ≤ EVDD0 = EVDD1 ≤ VDD ≤ 5.5 V, VSS = EVSS0 = EVSS1 = 0 V) 
Items Symbol  Conditions  MIN. TYP. MAX. Unit 
Instruction cycle (minimum 
instruction execution time) 
TCY Main 
system 
clock (f
MAIN) 
operation 
HS (high-
speed main) 
mode 
2.7 V 
≤
 V
DD
≤
 5.5 V
0.03125  1 
μ
s 
2.4 V 
≤
 V
DD
 < 2.7 V
0.0625  1 
μ
s 
LS (low-speed 
main) mode 
1.8 V 
≤
 V
DD
≤
 5.5 V
0.125  1 
μ
s 
LV (low-
voltage main) 
mode 
1.6 V 
≤
 V
DD
≤
 5.5 V
0.25  1 
μ
s 
Subsystem clock (fSUB) 
operation 
1.8 V 
≤
 V
DD
≤
 5.5 V
28.5 30.5 31.3 
μ
s 
In the self 
programming 
mode 
HS (high-
speed main) 
mode 
2.7 V 
≤
 V
DD
≤
 5.5 V
0.03125  1 
μ
s 
2.4 V 
≤
 V
DD
 < 2.7 V
0.0625  1 
μ
s 
LS (low-speed 
main) mode 
1.8 V 
≤
 V
DD
≤
 5.5 V
0.125  1 
μ
s 
LV (low-
voltage main) 
mode 
1.8 V 
≤
 V
DD
≤
 5.5 V
0.25  1 
μ
s 
External system clock 
frequency 
fEX 2.7 V ≤ VDD ≤ 5.5 V  1.0    20.0  MHz 
2.4 V ≤ VDD < 2.7 V  1.0    16.0  MHz 
1.8 V ≤ VDD < 2.4 V  1.0 8.0 MHz 
1.6 V ≤ VDD < 1.8 V  1.0 4.0 MHz 
fEXS  32  35 kHz 
External system clock input 
high-level width, low-level width
tEXH, tEXL  2.7 V ≤ VDD ≤ 5.5 V  24      ns 
2.4 V ≤ VDD < 2.7 V  30      ns 
1.8 V ≤ VDD < 2.4 V  60      ns 
1.6 V ≤ VDD < 1.8 V  120      ns 
tEXHS, tEXLS  13.7     
μ
s 
TI00 to TI07, TI10 to TI17 input 
high-level width, low-level width
tTIH, 
t
TIL 
 1/f
MCK+10    ns
Note
TO00 to TO07, TO10 to TO17 
output frequency 
fTO 
HS (high-speed 
main) mode 
4.0 V ≤ EV
DD0 ≤ 5.5 V     16  MHz 
2.7 V ≤ EVDD0 < 4.0 V     8  MHz 
1.8 V ≤ EVDD0 < 2.7 V     4  MHz 
1.6 V ≤ EVDD0 < 1.8 V     2  MHz 
LS (low-speed 
main) mode 
1.8 V ≤ EVDD0 ≤ 5.5 V     4  MHz 
1.6 V ≤ EVDD0 < 1.8 V     2  MHz 
LV (low-voltage 
main) mode 
1.6 V ≤ EVDD0 ≤ 5.5 V     2  MHz 
PCLBUZ0, PCLBUZ1 output 
frequency 
fPCL HS (high-speed 
main) mode 
4.0 V ≤ EVDD0 ≤ 5.5 V     16  MHz 
2.7 V ≤ EVDD0 < 4.0 V     8  MHz 
1.8 V ≤ EVDD0 < 2.7 V     4  MHz 
1.6 V ≤ EVDD0 < 1.8 V     2  MHz 
LS (low-speed 
main) mode 
1.8 V ≤ EVDD0 ≤ 5.5 V     4  MHz 
1.6 V ≤ EVDD0 < 1.8 V     2  MHz 
LV (low-voltage 
main) mode 
1.8 V ≤ EVDD0 ≤ 5.5 V     4  MHz 
1.6 V ≤ EVDD0 < 1.8 V     2  MHz 
Interrupt input high-level width, 
low-level width 
tINTH, 
t
INTL 
INTP0 1.6 V ≤ V
DD ≤ 5.5 V  1     
μ
s 
INTP1 to INTP11 1.6 V ≤ EVDD0 ≤ 5.5 V 1     
μ
s 
Key interrupt input low-level 
width 
tKR  KR0 to KR7  1.8 V ≤ EVDD0 ≤ 5.5 V 250      ns 
1.6 V ≤ EVDD0 < 1.8 V 1     
μ
s 
RESET low-level width  tRSL  10    
μ
s 
(Note and Remark are listed on the next page.) 










