HN58X24512I Datasheet, PDF (5/19 Pages) Hitachi Semiconductor – Two-wire serial interface 512k EEPROM (64-kword ´ 8-bit)

HN58X24512I
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
V_CC = 1.8 to 5.5 V V_CC = 2.5 to 5.5 V
Parameter
Symbol Min
Max
Min
Max Unit
Clock frequency
f_SCL

400

1000 kHz
Clock pulse width low
t_LOW
1200 
600

ns
Clock pulse width high
t_HIGH
600

400

ns
Noise suppression time
t_I

50

50
ns
Access time
t_AA
100
900
100
550
ns
Bus free time for next mode
t_BUF
1200 
500

ns
Start hold time
t_HD.STA
600

250

ns
Start setup time
t_SU.STA
600

250

ns
Data in hold time
t_HD.DAT
0

0

ns
Data in setup time
t_SU.DAT
100

100

ns
Input rise time
t_R

300

300
ns
Input fall time
t_F

300

100
ns
Stop setup time
t_SU.STO
600

250

ns
Data out hold time
t_DH
50

50

ns
Write cycle time
t_WC

15

10
ms
Notes: 1. This parameter is sampled and 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
Rev.2.00, Dec.13.2004, page 5 of 17