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X24320 Datasheet(PDF) 2 Page - IC MICROSYSTEMS

Part No. X24320
Description  400KHz 2-Wire Serial E2PROM with Block Lock
Download  17 Pages
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Maker  ICMIC [IC MICROSYSTEMS]
Homepage  http://www.icmic.com
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X24320 Datasheet(HTML) 2 Page - IC MICROSYSTEMS

 
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X24320
2
Xicor E
2
PROMs are designed and tested for applications
requiring extended endurance. Inherent data
retention is greater than 100 years.
PIN DESCRIPTIONS
Serial Clock (SCL)
The SCL input is used to clock all data into and out of the
device.
Serial Data (SDA)
SDA is a bidirectional pin used to transfer data into and
out of the device. It is an open drain output and
may be wire-ORed with any number of open drain or open
collector outputs.
An open drain output requires the use of a pull-up
resistor. For selecting typical values, refer to the Pull-
up resistor selection graph at the end of this data
sheet.
Device Select (S0, S1, S2)
The device select inputs (S0, S1, S2) are used to set the first
three bits of the 8-bit slave address. This
allows up to eight devices to share a common bus. These
inputs can be static or actively driven. If used
statically they must be tied to VSS or VCC as appropriate.
If actively driven, they must be driven with
CMOS levels (driven to VCC or VSS).
Write Protect (WP)
The Write Protect input controls the Hardware Write
Protect feature. When held LOW, Hardware Write
Protection is disabled. When this input is held HIGH, and the
WPEN bit in the Write Protect Register is set
HIGH, the Write Protect Register is protected, preventing
changes to the Block Lock Protection and
WPEN bits.
PIN NAMES
7035 FM T01
PIN CONFIGURATION
Symbol
Description
S0, S1, S2
Device Select Inputs
SDA
Serial Data
SCL
Serial Clock
WP
Write Protect
VSS
Ground
VCC
Supply Voltage
NC
No Connect
V
CC
WP
SCL
SDA
S
0
S
1
S
2
V
SS
1
2
3
4
8
7
6
5
X24320
8-Lead DIP/SOIC
7035 FM 02
V
CC
WP
SCL
S
0
S
1
NC
1
2
3
4
8
7
6
5
V
SS
SDA
NC
NC
NC
NC
NC
S
2
* .244”
.252”
* .197”
.200”
9
10
11
12
13
14
Not to scale
X24320
* SOIC Measurement
14-Lead TSSOP


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