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R1EX24128BSAS0I_15 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, VCC = 1.8 to 5.5 V)
• Input pules levels:
⎯ VIL = 0.2 × VCC
⎯ VIH = 0.8 × VCC
• Input rise and fall time: ≤ 20 ns
• Input and output timing reference levels: 0.5 × VCC
• Output load: TTL Gate + 100 pF
Parameter
Symbol Min
Typ
Max
Unit
Clock frequency
fSCL
⎯
⎯
400
kHz
Clock pulse width low
tLOW
1200
⎯
⎯
ns
Clock pulse width high
tHIGH
600
⎯
⎯
ns
Noise suppression time
tI
⎯
⎯
100
ns
Access time
tAA
100
⎯
900
ns
Bus free time for next mode
tBUF
1200
⎯
⎯
ns
Start hold time
tHD.STA
600
⎯
⎯
ns
Start setup time
tSU.STA
600
⎯
⎯
ns
Data in hold time
tHD.DAT
0
⎯
⎯
ns
Data in setup time
tSU.DAT
100
⎯
⎯
ns
Input rise time
tR
⎯
⎯
300
ns
Input fall time
tF
⎯
⎯
300
ns
Stop setup time
tSU.STO
600
⎯
⎯
ns
Data out hold time
tDH
50
⎯
⎯
ns
Write protect hold time
tHD.WP
1200
⎯
⎯
ns
Write protect setup time
tSU.WP
0
⎯
⎯
ns
Write cycle time
tWC
⎯
⎯
5
ms
Notes: 1. Not 100% tested.
2. tWC is the time from a stop condition to the end of internally controlled write cycle.
Notes
1
1
1
2
R10DS0008EJ0400 Rev.4.00
Dec 18, 2013
Page 4 of 16