CAT25020VI-G CATALYST SEMICONDUCTOR, CAT25020VI-G Datasheet
CAT25020VI-G
Specifications of CAT25020VI-G
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CAT25020VI-G Summary of contents
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CAT25010, CAT25020, CAT25040 1-Kb, 2-Kb and 4-Kb SPI Serial CMOS EEPROM Description The CAT25010/20/40 are 1−Kb/2−Kb/4−Kb Serial CMOS EEPROM devices internally organized as 128x8/256x8/512x8 bits. They feature a 16−byte page write buffer and support the Serial Peripheral Interface (SPI) protocol. ...
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Table 1. ABSOLUTE MAXIMUM RATINGS Operating Temperature Storage Temperature Voltage on any Pin with Respect to Ground (Note 1) Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions ...
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Table 5. A.C. CHARACTERISTICS Symbol Parameter f Clock Frequency SCK t Data Setup Time SU t Data Hold Time H t SCK High Time WH t SCK Low Time WL t HOLD to Output Low (Note 5) ...
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Pin Description SI: The serial data input pin accepts op−codes, addresses and data. In SPI modes (0,0) and (1,1) input data is latched on the rising edge of the SCK clock input. SO: The serial data output pin is used ...
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Table 8. STATUS REGISTER Table 9. BLOCK PROTECTION BITS Status Register Bits BP1 BP0 0 0 None 0 1 CAT25010: 060−07F, CAT25020: 0C0−0FF, CAT25040: 180−1FF 1 0 CAT25010: 040−07F, CAT25020: 080−0FF, CAT25040: 100−1FF 1 ...
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Byte Write Once the WEL bit is set, the user may execute a write sequence, by sending a WRITE instruction, a 8−bit address and data as shown in Figure 5. For the CAT25040, bit 3 of the write instruction opcode ...
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Write Status Register The Status Register is written by sending a WRSR instruction according to timing shown in Figure 7. Only bits 2 and 3 can be written using the WRSR command SCK OPCODE SI ...
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Read from Memory Array To read from memory, the host sends a READ instruction followed by a 8−bit address (for the CAT25040, bit 3 of the read instruction opcode contains A8 address bit). After receiving the last address bit, the ...
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Hold Operation The HOLD input can be used to pause communication between host and CAT25010/20/40. To pause, HOLD must be taken low while SCK is low (Figure 11). During the hold condition the device must remain selected (CS low). During ...
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PIN # 1 IDENTIFICATION D TOP VIEW SIDE VIEW Notes: (1) All dimensions are in millimeters. (2) Complies with JEDEC MS-001. PACKAGE DIMENSIONS PDIP−8, 300 mils CASE 646AA−01 ISSUE A SYMBOL ...
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PIN # 1 IDENTIFICATION TOP VIEW SIDE VIEW Notes: (1) All dimensions are in millimeters. Angles in degrees. (2) Complies with JEDEC MS-012. PACKAGE DIMENSIONS SOIC 8, 150 mils CASE 751BD−01 ISSUE O SYMBOL ...
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E1 e TOP VIEW SIDE VIEW Notes: (1) All dimensions are in millimeters. Angles in degrees. (2) Complies with JEDEC MO-153. PACKAGE DIMENSIONS TSSOP8, 4.4x3 CASE 948AL−01 ISSUE O SYMBOL MIN A A1 0.05 A2 ...
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D E PIN#1 INDEX AREA TOP VIEW SYMBOL MIN NOM A 0.70 0.75 A1 0.00 0.02 A2 0.45 0.55 A3 0.20 REF b 0.20 0.25 D 1.90 2.00 D2 1.30 1.40 E 2.90 3.00 E2 1.20 1.30 e 0.50 TYP ...
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E E1 TOP VIEW SIDE VIEW Notes: (1) All dimensions are in millimeters. Angles in degrees. (2) Complies with JEDEC MO-187. PACKAGE DIMENSIONS MSOP 8, 3x3 CASE 846AD−01 ISSUE O SYMBOL MIN A A1 ...
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Example of Ordering Information Prefix Device # Suffix CAT 25040 V Company ID Product Number 25010: 1−Kb 25020: 2−Kb 25040: 4−Kb Package L: PDIP V: SOIC, JEDEC Y: TSSOP VP2: TDFN ( mm) Z: MSOP (Note 13) 10. ...