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Seiko Instruments Electronic Components Datasheet

S-25C256A Datasheet

SPI SERIAL E2PROM

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S-25C256A pdf
S-25C256A
www.sii-ic.com
© SII Semiconductor Corporation, 2010-2015
SPI SERIAL E2PROM
Rev.2.2_02_S
The S-25C256A is a SPI serial E2PROM which operates at high speed, with low current consumption and the wide range
operation. The S-25C256A has the capacity of 256 K-bit and the organization of 32768 words × 8-bit. Page write and
sequential read are available.
Features
Operating voltage range:
Read 1.6 V to 5.5 V
Write 1.7 V to 5.5 V
Operation frequency:
Write time:
SPI mode (0, 0) and (1, 1)
Page write:
Sequential read
Write protect:
Protect area:
10.0 MHz (VCC = 2.5 V to 5.5 V)
5.0 ms max.
64 bytes / page
Software, Hardware
25%, 50%, 100%
Monitors write to the memory by a status register
Function to prevent malfunction by monitoring clock pulse
Write protect function during the low power supply voltage
CMOS schmitt inputCS , SCK, SI, WP , HOLD
Endurance:
Data retention:
Memory capacity:
Initial delivery state:
Operation temperature range:
Lead-free (Sn 100%), halogen-free*2
106cycles / unit *1 (Ta = +25°C)
100 years (Ta = +25°C)
256 K-bit
FFh, SRWD = 0, BP1 = 0, BP0 = 0
Ta = 40°C to +85°C
*1. For each unit (unit: the 4 bytes with the same address of A14 to A2)
*2. Refer to “Product Name Structure” for details.
Packages
8-Pin SOP (JEDEC)
8-Pin TSSOP
Caution This product is intended to use in general electronic devices such as consumer electronics, office
equipment, and communications devices. Before using the product in medical equipment or
automobile equipment including car audio, keyless entry and engine control unit, contact to SII
Semiconductor Corporation is indispensable.
1


Seiko Instruments Electronic Components Datasheet

S-25C256A Datasheet

SPI SERIAL E2PROM

No Preview Available !

S-25C256A pdf
SPI SERIAL E2PROM
S-25C256A
Pin Configurations
1. 8-Pin SOP (JEDEC)
8-Pin SOP (JEDEC)
Top view
18
27
36
45
Figure 1
S-25C256A0I-J8T1U4
Rev.2.2_02_S
Table 1
Pin No. Symbol
Description
1
CS *1
Chip select input
2 SO Serial data output
3
WP *1
Write protect input
4
GND
Ground
5 SI*1 Serial data input
6
SCK*1
Serial clock input
7 HOLD *1 Hold input
8
VCC
Power supply
*1. Do not use it in high impedance.
2. 8-Pin TSSOP
8-Pin TSSOP
Top view
18
27
36
45
Figure 2
S-25C256A0I-T8T1U4
Table 2
Pin No. Symbol
Description
1
CS *1
Chip select input
2 SO Serial data output
3
WP *1
Write protect input
4
GND
Ground
5 SI*1 Serial data input
6
SCK*1
Serial clock input
7 HOLD *1 Hold input
8
VCC
Power supply
*1. Do not use it in high impedance.
Remark Refer to the “Package drawings” for the details.
2


Part Number S-25C256A
Description SPI SERIAL E2PROM
Maker Seiko
Total Page 30 Pages
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