Document
S-25C010A/020A/040A H Series
www.sii-ic.com © Seiko Instruments Inc., 2010-2015
105°C OPERATION SPI SERIAL E2PROM FOR AUTOMOTIVE
Rev.2.3_00_C
The S-25C010A/020A/040A H series devices are high-temperature operation SPI serial E2PROMs for automotive components. The S-25C010A/020A/040A H series has the capacity of 1 K-bit, 2 K-bit, and 4 K-bit, and the organization is 128 words × 8-bit, 256 words × 8- bit, and 512 words × 8-bit, respectively. 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
• Operating voltage range:
Read Write
2.5 V to 5.5 V 2.5 V to 5.5 V
• Operation frequency:
6.5 MHz (4.5 V to 5.5 V)
• Write time:
4.0 ms max.
• SPI mode (0, 0) and (1, 1)
• Page write:
16 bytes / page
• Sequential read
• Monitors write to the memory by a status register
• Write protect:
Software, Hardware
Protect area:
25%, 50%, 100%
• 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:
106cycles/word*1 (Ta = +85°C) 8 × 105 cycles/word*1 (Ta = +105°C)
• Data retention:
100 years (Ta = +25°C)
50 years (Ta = +105°C)
• Memory capacitance:
S-25C010A
1 K-bit
S-25C020A
2 K-bit
S-25C040A
4 K-bit
• Initial delivery state:
FFh, BP1 = 0, BP0 = 0
• Operation temperature range:
Ta = −40°C to +105°C
• Lead-free (Sn 100%), halogen-free*2
• AEC-Q100 qualified*3
*1. For each address (Word: 8-bit) *2. Refer to “ Product Name Structure” for details. *3. Contact our sales office for details.
Packages
• 8-Pin SOP (JEDEC) • 8-Pin TSSOP
Seiko Instruments Inc.
1
105°C OPERATION SPI SERIAL E2PROM FOR AUTOMOTIVE S-25C010A/020A/040A H Series
Rev.2.3_00_C
Pin Configurations
8-Pin SOP (JEDEC) Top view
CS SO WP GND
1 2 3 4
8 VCC 7 HOLD 6 SCK 5 SI
Figure 1
S-25C010A0H-J8T2UD S-25C020A0H-J8T2UD S-25C040A0H-J8T2UD
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.
8-Pin TSSOP Top view
CS SO
WP GND
1 2 3 4
8 VCC 7 HOLD 6 SCK 5 SI
Figure 2
S-25C010A0H-T8T2UD S-25C020A0H-T8T2UD S-25C040A0H-T8T2UD
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 See Dimensions for details of the package drawings.
2 Seiko Instruments Inc.
Rev.2.3_00_C Block Diagram
105°C OPERATION SPI SERIAL E2PROM FOR AUTOMOTIVE S-25C010A/020A/040A H Series
X Decoder Input Control Circuit
CS SCK
SI HOLD
WP
SO
Voltage Detector
Clock Counter Data Register
Mode D.