Datasheet
RL78/G13  2. ELECTRICAL SPECIFICATIONS (A, D: T
A = -40 to +85°C) 
Page 106 of 194R01DS0131EJ0310 Rev.3.10 
Nov 15, 2013 
(10) Communication at different potential (1.8 V, 2.5 V, 3 V)  (simplified I
2
C mode) (1/2)  
 (T
A = −40 to +85°C, 1.8 V ≤ EVDD0 = EVDD1 ≤ VDD ≤ 5.5 V, VSS = EVSS0 = EVSS1 = 0 V) 
Parameter Symbol  Conditions  HS (high-speed 
main) Mode 
LS (low-speed 
main) Mode 
LV (low-voltage 
main) Mode 
Unit 
MIN. MAX. MIN. MAX. MIN. MAX. 
SCLr clock frequency  fSCL 
4.0 V ≤ EV
DD0 ≤ 5.5 V, 
2.7 V ≤ V
b ≤ 4.0 V, 
C
b = 50 pF, Rb = 2.7 kΩ 
 1000
Note 1
 300
Note 1
 300
Note 1
kHz 
2.7 V ≤ EVDD0 < 4.0 V, 
2.3 V ≤ V
b ≤ 2.7 V, 
C
b = 50 pF, Rb = 2.7 kΩ 
 1000
Note 1
 300
Note 1
 300
Note 1
kHz 
4.0 V ≤ EVDD0 ≤ 5.5 V, 
2.7 V ≤ V
b ≤ 4.0 V, 
C
b = 100 pF, Rb = 2.8 kΩ
 400
Note 1
 300
Note 1
 300
Note 1
kHz 
2.7 V ≤ EVDD0 < 4.0 V, 
2.3 V ≤ V
b ≤ 2.7 V, 
C
b = 100 pF, Rb = 2.7 kΩ
 400
Note 1
 300
Note 1
 300
ote 1
kHz 
1.8 V ≤ EVDD0 < 3.3 V, 
1.6 V ≤ V
b ≤ 2.0 V
 Note 2
, 
C
b = 100 pF, Rb = 5.5 kΩ
 300
Note 1
 300
Note 1
 300
Note 1
kHz 
Hold time when SCLr 
= “L” 
tLOW 
4.0 V ≤ EV
DD0 ≤ 5.5 V, 
2.7 V ≤ V
b ≤ 4.0 V, 
C
b = 50 pF, Rb = 2.7 kΩ 
475   1550 1550  ns 
2.7 V ≤ EVDD0 < 4.0 V, 
2.3 V ≤ V
b ≤ 2.7 V, 
C
b = 50 pF, Rb = 2.7 kΩ 
475   1550 1550  ns 
4.0 V ≤ EVDD0 ≤ 5.5 V, 
2.7 V ≤ V
b ≤ 4.0 V, 
C
b = 100 pF, Rb = 2.8 kΩ
1150 1550 1550  ns 
2.7 V ≤ EVDD0 < 4.0 V, 
2.3 V ≤ V
b ≤ 2.7 V, 
C
b = 100 pF, Rb = 2.7 kΩ
1150 1550 1550  ns 
1.8 V ≤ EVDD0 < 3.3 V, 
1.6 V ≤ V
b ≤ 2.0 V
 Note 2
, 
C
b = 100 pF, Rb = 5.5 kΩ
1550 1550 1550  ns 
Hold time when SCLr 
= “H” 
tHIGH 
4.0 V ≤ EV
DD0 ≤ 5.5 V, 
2.7 V ≤ V
b ≤ 4.0 V, 
C
b = 50 pF, Rb = 2.7 kΩ 
245 610 610  ns 
2.7 V ≤ EVDD0 < 4.0 V, 
2.3 V ≤ V
b ≤ 2.7 V, 
C
b = 50 pF, Rb = 2.7 kΩ 
200 610 610  ns 
4.0 V ≤ EVDD0 ≤ 5.5 V, 
2.7 V ≤ V
b ≤ 4.0 V, 
C
b = 100 pF, Rb = 2.8 kΩ
675 610 610  ns 
2.7 V ≤ EVDD0 < 4.0 V, 
2.3 V ≤ V
b ≤ 2.7 V, 
C
b = 100 pF, Rb = 2.7 kΩ
600 610 610  ns 
1.8 V ≤ EVDD0 < 3.3 V, 
1.6 V ≤ V
b ≤ 2.0 V
 Note 2
, 
C
b = 100 pF, Rb = 5.5 kΩ
610 610 610  ns 










