S-25A256B Datasheet PDF - Seiko
| Part Number | S-25A256B | |
| Description | OPERATION SPI SERIAL E2PROM | |
| Manufacturers | Seiko | |
| Logo |  |
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S-25A256B
www.sii-ic.com
© Seiko Instruments Inc., 2011-2014
FOR AUTOMOTIVE 125°C OPERATION
SPI SERIAL E2PROM
Rev.1.2_00
This IC is a SPI serial E2PROM which operates under the high temperature, at high speed, with the wide range operation for
automotive components. This IC has the capacity of 256 K-bit and the organization of 32768 words × 8-bit. Page write and
Sequential read are available.
Caution Before using the product in automobile control unit or medical equipment, contact to SII is indispensable.
Features
Package
• Operating voltage range
Read:
2.5 V ~ 5.5 V
Write:
2.5 V ~ 5.5 V
• Operation frequency:
• Write time:
• SPI mode (0, 0) and (1, 1)
• Page write:
• Sequential read
• Write protect:
Protect area:
5.0 MHz max.
5.0 ms max.
64 bytes / page
Software, Hardware
25%, 50%, 100%
• Monitoring of a write memory state by the status register
• Function to prevent malfunction by monitoring clock pulse
• Write protect function during the low power supply voltage
• CMOS schmitt input ( CS , SCK, SI, WP , HOLD )
• Endurance*1:
106 cycle / word *2 (Ta = +25°C)
3 × 105 cycle / word *2 (Ta = +125°C)
• Data retention:
100 years (Ta = +25°C)
50 years (Ta = +125°C)
• Memory capacity:
256 K-bit
• Initial delivery state:
FFh, SRWD = 0, BP1 = 0, BP0 = 0
• Burn-in specifications:
Wafer level burn-in
• Operation temperature range: Ta = −40°C to +125°C
• Lead-free (Sn 100%), halogen-free*3
• AEC-Q100 qualified*4
• 8-Pin SOP (JEDEC)
5
8
4
1
(5.0 × 6.0 × t1.75 mm)
*1. Refer to " Endurance" for details.
*2. For each address (Word: 8-bit)
*3. Refer to " Product Name Structure" for details.
*4. Contact our sales office for details.
Remark Refer to "3. Product name list" in " Product Name Structure" for details of package and product.
Seiko Instruments Inc.
1
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Rev.1.2_00
FOR AUTOMOTIVE 125°C OPERATION SPI SERIAL E2PROM
S-25A256B
DC Electrical Characteristics
Item
Symbol
Condition
Current
(read)
consumption
ICC1
No load at SO pin
Table 9
Ta = −40°C to +125°C
VCC = 2.5 V to 4.5 V
fSCK = 5.0 MHz
VCC = 4.5 V to 5.5 V
fSCK = 5.0 MHz
Min. Max. Min. Max.
－ 2.0 － 2.5
Table 10
Item
Symbol
Condition
Current consumption
(write)
ICC2
No load at SO pin
Ta = −40°C to +125°C
VCC = 2.5 V to 5.5 V
fSCK = 5.0 MHz
Min. Max.
－ 4.0
Table 11
Item
Symbol
Condition
Standby current
consumption
ISB
Input leakage current ILI
Output leakage current ILO
Low level
VOL1
output voltage
VOL2
High level
VOH1
output voltage
VOH2
CS = VCC,
SO = Open
Other inputs are
VCC or GND
VIN = GND to VCC
VOUT = GND to VCC
IOL = 2.0 mA
IOL = 1.5 mA
IOH = −2.0 mA
IOH = −0.4 mA
Ta = −40°C to +125°C
VCC = 2.5 V to 4.5 V
VCC = 4.5 V to 5.5 V
Min. Max. Min. Max.
－ 8.0 － 10.0
－ 2.0 － 2.0
－ 2.0 － 2.0
－ － － 0.4
－ 0.4 － 0.4
－ － 0.8 × VCC －
0.8 × VCC － 0.8 × VCC －
Unit
mA
Unit
mA
Unit
μA
μA
μA
V
V
V
V
Seiko Instruments Inc.
5
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for S-25A256B electronic component. |
| Information | Total 23 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ S-25A256B.PDF Datasheet ] | |
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