HN58X24256AS Datasheet, PDF (5/22 Pages) Renesas Technology Corp – Two-wire serial interface 256k EEPROM (32-kword × 8-bit)

HN58X24256AS
AC Characteristics (Ta = −40 to +85°C, V_CC = 1.8 to 5.5 V)
Test Conditions
• 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
Erase/Write Endurance
f
SCL


t_LOW
1200 
t_HIGH
600

t
I


t
AA
100

t_BUF
1200 
t_HD.STA
600

t
SU.STA
600

t
0
HD.DAT

t_SU.DAT
100

t_R


t
F


t
SU.STO
600

t_DH
50

t_HD.WP
1200 
t
0
SU.WP

t
WC




10⁶
400
kHz

ns

ns
50
ns
900
ns

ns

ns

ns

ns

ns
300
ns
300
ns

ns

ns

ns

ns
5
ms

cycles
Notes: 1. This parameter is sampled and not 100% tested.
2. t is the time from a stop condition to the end of internally controlled write cycle.
WC
3. This parameter is sampled and not 100% tested (Ta = 25°C).
Notes
1
1
1
2
3
Rev.0.01, Mar.22.2007, page 5 of 20