參數(shù)資料
型號(hào): HN58X24512I
廠商: Hitachi,Ltd.
英文描述: Two-wire serial interface 512k EEPROM (64-kword ⅴ 8-bit)
中文描述: 兩線串行接口為512k的EEPROM(64 KWord的ⅴ8位)
文件頁(yè)數(shù): 8/20頁(yè)
文件大小: 55K
代理商: HN58X24512I
HN58X24512I
8
Device Address
(A0, A1)
Up to four devices can be addressed on the same bus by setting the levels on these pins to different
combinations. The levels on these pins are compared with the device address code which are inputted
thought the SDA pin. These device is selected if the compare is successfully done. These pins are
internally pulled down to V
SS
. The device read these pins as low if unconnected.
Pin Connections for A0, A1
Pin connection
Memory size
Max connect
number
A1
A0
Note
512k bit
Note:
4
V
CC
/V
SS
*
1
V
CC
/V
SS
1. “V
/V
” means that device address pin should be connected to V
CC
or V
SS
. The A1 and A0 are
read as V
SS
, if left unconnected.
Write Protect
(WP)
When the Write Protect pin (WP) is high, the write protection feature is enabled and operates as shown in
the following table. When the WP is low, write operation for all memory arrays are allowed. The read
operation is always activated irrespective of the WP pin status. When left unconnected, the WP input is
read as V
IL
because the WP pin is internally pulled down to V
SS
.
Write Protect Area
WP pin status
Write protect area
V
IH
V
IL
Full (512k bit)
Normal read/write operation
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