R1EX24512BSAS0I_15 Datasheet, PDF (4/18 Pages) Renesas Technology Corp – Two-wire serial interface 512k EEPROM (64-kword × 8-bit)

R1EX24512BSAS0I/R1EX24512BTAS0I
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
V_CC = 1.8 V to 5.5 V
V_CC = 2.5 V to 5.5 V
Parameter
Symbol Min
Typ Max
Min
Typ Max
Clock frequency
f_SCL
⎯
⎯
400
⎯
⎯ 1000
Clock pulse width low
t_LOW
1200
⎯
⎯
600
⎯
⎯
Clock pulse width high
t_HIGH
600
⎯
⎯
400
⎯
⎯
Noise suppression time
t_I
⎯
⎯
50
⎯
⎯
50
Access time
t_AA
100
⎯
900
100
⎯
550
Bus free time for next mode t_BUF
1200
⎯
⎯
500
⎯
⎯
Start hold time
t_HD.STA
600
⎯
⎯
250
⎯
⎯
Start setup time
t_SU.STA
600
⎯
⎯
250
⎯
⎯
Data in hold time
t_HD.DAT
0
⎯
⎯
0
⎯
⎯
Data in setup time
t_SU.DAT
100
⎯
⎯
100
⎯
⎯
Input rise time
t_R
⎯
⎯
300
⎯
⎯
300
Input fall time
t_F
⎯
⎯
300
⎯
⎯
100
Stop setup time
t_SU.STO
600
⎯
⎯
250
⎯
⎯
Data out hold time
t_DH
50
⎯
⎯
50
⎯
⎯
Write protect hold time
t_HD.WP
1200
⎯
⎯
600
⎯
⎯
Write protect setup time
t_SU.WP
0
⎯
⎯
0
⎯
⎯
Write cycle time
t_WC
⎯
⎯
5
⎯
⎯
5
Notes: 1. Not 100% tested.
2. t_WC is the time from a stop condition to the end of internally controlled write cycle.
Unit
kHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ms
Notes
1
1
1
2
R10DS0026EJ0500 Rev.5.00
Dec 18, 2013
Page 4 of 16