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Details, datasheet, quote on part number:S2900A
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Datasheet text preview:
Contents
Features Pin Assignment Block Diagram Instruction Set Absolute Maximum Ratings Recommended Operating Conditions DC Electrical Characteristics Rewriting Times Pin Capacitance AC Electrical Characteristics Operation Dimensions Ordering Informations Characteristics 1 1 1 2 2 2 3 3 3 4 5 7 8 9
CMOS 512-bit SERIAL E2PROM
S-2900A
The S-2900A is a wide operating voltage range, low power consumption 2 512-bit E PROM. The organization is 64-word ´ 8-bit, and can be read or written serially. It is easily interfaced with a serial port because the instruction is composed of eight-bit units. n Features
· Operating voltage Read : 1.5 to 5.5 V W rite : 2.7 to 5.5 V · Power consumption Standby : 1 mA max. Read : 1.4 mA max. (VCC=5.5 V) 0.4 mA max. (VCC=1.5 V) · Operating Frequency 2 MHz (VCC=4.5 V to 5.5 V) 500 kHz (VCC=2.7 V to 4.5 V) 100 kHz (VCC=1.5 V to 2.7 V) · Memory configuration 512 bits (64-word ´ 8-bit) · Byte writing/Byte reading · Data retention: 10 years · Package : 8-pin DIP/SOP SOT-89-5 Bare chip
n Pin Assignment
SOT-89-5 Top view 8 7 6 5 VCC NC SK NC
5 4
8-pin DIP/SOP CS GND DATA NC 1 2 3 4
1
2
3
1 : CS 2 : GND 3 : DATA 4 : SK 5 : VCC
DATA CS SK Vcc GND
Data input/output Chip select Serial clock Power supply voltage Ground (0 V)
Figure 1
n Block Diagram
Memory array
Address decoder
DATA
Input/Output buffer
Data register
CS Clock generator Mode decode logic
VCC GND
SK
Figure 2
Seiko Instruments Inc.
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CMOS 512-bit SERIAL E2PROM S-2900A
n Instruction Set
Table 1 Instruction READ PROGRAM PEN STRD (Read data) (Program) (Program enable) (Status read) Op code 10 01 00 11 Address A5 to A0 A5 to A0 000000 111111 Data D7 to D0 output D7 to D0 input ¾ output
n Absolute Maximum Ratings
Table 2 Parameter Power supply voltage Input voltage Output voltage Storage temperature under bias Storage temperature n 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
Recommended Operating Conditions
Table 3 Parameter Power supply voltage Symbol VCC VIH VIL Topr Read W rite High level input voltage VCC=2.7 to 5.5 V VCC=1.5 to 2.7 V Low level input voltage VCC=2.7 to 5.5 V VCC=1.5 to 2.7 V Operating temperature Conditions Min. 1.5 2.7 0.8´VCC 0.85´VCC 0.0 0.0 -40 Typ. ¾ ¾ ¾ ¾ ¾ ¾ ¾ Max. 5.5 5.5 VCC VCC 0.2´VCC 0.15´VCC +85 Unit V V V V V V °C
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Seiko Instruments Inc.
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