S-25C512A Datasheet PDF - Seiko

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S-25C512A
Seiko

Part Number S-25C512A
Description SPI SERIAL E2PROM
Page 30 Pages


S-25C512A datasheet pdf
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S-25C512A
www.sii-ic.com
© SII Semiconductor Corporation, 2010-2015
SPI SERIAL E2PROM
Rev.2.2_02_S
The S-25C512A is a SPI serial E2PROM which operates at high speed, with low current consumption and the wide range
operation. The S-25C512A has the capacity of 512 K-bit and the organization of 65536 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.
128 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 input ( CS , 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)
512 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 A15 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.
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SPI SERIAL E2PROM
S-25C512A
Pin Configurations
1. 8-Pin SOP (JEDEC)
8-Pin SOP (JEDEC)
Top view
18
27
36
45
Figure 1
S-25C512A0I-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-25C512A0I-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.
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Rev.2.2_02_S
Block Diagram
Voltage Detector
CS
SCK
SI
HOLD
WP
SO
Clock Counter
Data Register
Mode
Decoder
Output
Control
Circuit
Address Register
Status Register
Read Circuit
VCC
GND
Figure 3
SPI SERIAL E2PROM
S-25C512A
Step-up Circuit
Page Latch
Memory
Cell
Array
Status
Memory Cell Array
Y Decoder
3



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SPI SERIAL E2PROM
S-25C512A
Rev.2.2_02_S
Absolute Maximum Ratings
Table 3
Item
Symbol
Absolute Maximum Rating
Unit
Power supply voltage
VCC
0.3 to + 6.5
V
Input voltage
Output voltage
Operation ambient temperature
VIN
VOUT
Topr
0.3 to + 6.5
0.3 to VCC + 0.3
40 to +85
V
V
°C
Storage temperature
Tstg
65 to +150
°C
Caution The absolute maximum ratings are rated values exceeding which the product could suffer
physical damage. These values must therefore not be exceeded under any conditions.
Recommended Operating Conditions
Item
Power supply voltage
High level input voltage
Low level input voltage
Table 4
Symbol
Condition
VCC
Read Operation
Write Operation
VIH
VCC = 1.8 V to 5.5 V
VCC = 1.6 V to 1.8 V
VIL
VCC = 1.8 V to 5.5 V
VCC = 1.6 V to 1.8 V
Ta = 40°C to +85°C
Min. Max.
1.6 5.5
1.7 5.5
0.7 × VCC
0.8 × VCC
VCC + 1.0
VCC + 1.0
0.3
0.3
0.3 × VCC
0.2 × VCC
Unit
V
V
V
V
V
V
Pin Capacitance
Item
Input capacitance
Output capacitance
Symbol
Table 5
Condition
(Ta = +25°C, f = 1.0 MHz, VCC = 5.0 V)
Min.
Max.
Unit
CIN
COUT
VIN = 0 V ( CS , SCK, SI, WP , HOLD )
VOUT = 0 V (SO)
8 pF
10 pF
Endurance
Table 6
Item Symbol Operation Ambient Temperature
Endurance
NW
Ta = +25°C
*1. For each unit (unit: the 4 bytes with the same address of A15 to A2)
Min.
106
Max.
Unit
cycles / unit*1
Data Retention
Item
Data retention
Symbol
Table 7
Operation Ambient Temperature
Ta = +25°C
Min.
100
Max.
Unit
year
4



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