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Part: S29430A
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Description:
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Datasheet: Download S29430A datasheet File size : 354 kB
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Contents
Features ..... 1 Pin Assignment ......... 1 Block Diagram..... 2 Instruction Set ..... 2 Absolute Maximum Ratings......... 2 Recommended Operating Conditions ........ 3 DC Electrical Characteristics....... 3 Endurance.. 3 Pin Capacitance ........ 3 AC Electrical Characteristics ....... 4 Operation ... 5 Receiving a Start-Bit .......... 7 Three-wire Interface (DI-DO direct connection)... 7 Dimensions (Unit : mm)...... 8 Ordering Information .......... 8 Charcteristics ...... 9
CMOS SERIAL E2PROM
S-29430A
The S-29430A is high speed, low power 8K-bit serial E PROM with a wide operating voltage range. It is organized as 512-word×16-bit. It is capable of sequential read, where addresses are automatically incremented in 16-bit blocks. The instruction code is compatible with the NM93C Series.
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Features
Low power consumption Standby : 1 µA Max. Operating : 1.2 mA Max. (VCC=5.5 V) : 0.4 mA Max. (VCC=2.5 V) Wide operating voltage range Write : 2.5 to 5.5 V Read : 1.8 to 5.5 V Sequential read capable · · Endurance : 105 cycles/word Data retention : 10 years
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Pin Assignment
8-pin DIP CS SK DI DO 1 2 3 4 8 7 6 5 VCC NC TES T GND CS SK DI DO 1 2 3 4 8-pin SOP 8 7 6 5 VCC NC TEST GND
Figure 1
CS SK DI DO GND VCC TEST
Chip select input Serial clock input Serial data input Serial data output Ground (0 V) Power supply Test pin (normally kept open) (can be connected to GND or Vcc)
Seiko Instruments Inc.
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CMOS SERIAL E2PROM S-29430A
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Block Diagram
Memory array Address decoder VCC GND
Data register DI Mode decode logic
Output buffer
DO
CS
SK
Clock generator
Figure 2
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Instruction Set
Instruction READ (Read data) WRITE (Write data) ERASE (Erase data) EWEN (Program enable)
Table 1 Start Bit 1
1 1 1
Ope code 10 01 11 00
Address XA8 to A0 XA8 to A0 XA8 to A0 11xxxxxxxx
Data D15 to D0* D15 to D0
EWDS (Program disable) 1 00 00xxxxxxxx x: Doesn't matter. *: W hen 16-bit data of the specified address is output, the data of the next address is output.
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Absolute Maximum Ratings
Table 2
Parameter Power supply voltage Input voltage Output voltage Storage temperature under bias Storage temperature Symbol VCC VIN VOUT Tbias Tstg Ratings -0.3 to +7.0 -0.3 to VCC+0.3 -0.3 to VCC -50 to +95 -65 to +150 Unit V V V °C °C
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Seiko Instruments Inc.
Others parts begin by s2
S2-1 S2-2 S2-3 S2-4 S2-5 S2-6 S2-7
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