R1EX24128BSAS0I Datasheet, PDF (4/18 Pages) Renesas Technology Corp – Two-wire serial interface 128k EEPROM (16-kword × 8-bit)

R1EX24128BSAS0I/R1EX24128BTAS0I
AC Characteristics
Test Conditions
(Ta = −40 to +85°C, V_CC = 1.8 to 5.5 V)
• Input pules levels:
 V_IL = 0.2 × V_CC
 V_IH = 0.8 × V_CC
• Input rise and fall time: ≤ 20 ns
• Input and output timing reference levels: 0.5 × V_CC
• Output load: TTL Gate + 100 pF
Parameter
Symbol
Min
Typ
Max
Unit
Clock frequency
Clock pulse width low
Clock pulse width high
Noise suppression time
Access time
Bus free time for next mode
Start hold time
Start setup time
Data in hold time
Data in setup time
Input rise time
Input fall time
Stop setup time
Data out hold time
Write protect hold time
Write protect setup time
Write cycle time
f_SCL


400
kHz
t_LOW
1200


ns
t_HIGH
600


ns
t_I


100
ns
t_AA
100

900
ns
t_BUF
1200


ns
t_HD.STA
600


ns
t_SU.STA
600


ns
t_HD.DAT
0


ns
t_SU.DAT
100


ns
t_R


300
ns
t_F


300
ns
t_SU.STO
600


ns
t_DH
50


ns
t_HD.WP
1200


ns
t_SU.WP
0


ns
t_WC


5
ms
Notes: 1. Not 100% tested.
2. t_WC is the time from a stop condition to the end of internally controlled write cycle.
Notes
1
1
1
2
R10DS0008EJ0100 Rev.1.00
Aug. 04, 2010
Page 4 of 16