English
Language : 

HN58X24128I Datasheet, PDF (3/22 Pages) Hitachi Semiconductor – Two-wire serial interface, 128k EEPROM (16-kword x 8-bit), 256k EEPROM (32-kword x 8-bit)
Pin Description
Pin name
A0 to A2
SCL
SDA
WP
VCC
VSS
NC
Function
Device address
Serial clock input
Serial data input/output
Write protect
Power supply
Ground
No connection
Block Diagram
HN58X24128I/HN58X24256I
VCC
VSS
WP
A0, A1, A2
SCL
SDA
Control
logic
High voltage generator
Memory array
Y-select & Sense amp.
Serial-parallel converter
Absolute Maximum Ratings
Parameter
Symbol
Value
Unit
Supply voltage relative to VSS
Input voltage relative to VSS
Operating temperature range*1
VCC
–0.6 to +7.0
V
Vin
–0.5*2 to +7.0*3
V
Topr
–40 to +85
˚C
Storage temperature range
Tstg
–65 to +125
˚C
Notes: 1. Including electrical characteristics and data retention.
2. Vin (min): –3.0 V for pulse width ≤ 50 ns.
3. Should not exceed VCC + 1.0 V.
3