LH28F400SUN-NC80 Sharp, LH28F400SUN-NC80 Datasheet
LH28F400SUN-NC80
Related parts for LH28F400SUN-NC80
LH28F400SUN-NC80 Summary of contents
Page 1
LH28F400SU-NC FEATURES • User-Configurable x8 or x16 Operation • Write/Erase Operation ( – No Requirement for DC/DC Converter to Write/Erase • Maximum Access Time (V = 5.0 V ± 0. • 80ns ...
Page 2
LH28F400SU-NC 48-PIN TSOP ...
Page 3
Flash Memory OUTPUT BUFFER OUTPUT MULTIPLEXER INPUT -1,0 17 BUFFER Y-DECODER ADDRESS X-DECODER QUEUE LATCHES ADDRESS COUNTER Figure 4. LH28F400SU-NC Block Diagram ...
Page 4
LH28F400SU-NC PIN DESCRIPTION SYMBOL TYPE BYTE-SELECT ADDRESSES: Selects between high and low byte when device INPUT x8 mode. This address is latched in x8 Data Writes. Not used in x16 mode (i.e., the 15 -1 ...
Page 5
... V systems. Its x8/x16 architecture allows the optimization of memory to processor interface. The flexible block locking option enables bundling of execut- able application software in a Resident Flash Array or memory card. Manufactured on Sharp’s 0.45 µm ETOX™ process technology, the LH28F400SU-NC is the most cost-effective, high-density 5.0 V flash memory. DESCRIPTION ...
Page 6
LH28F400SU-NC The LH28F400SU-NC contains a Compatible Status Register (CSR) which is 100% compatible with the LH28F008SA Flash memory’s Status Register. This register, when used alone, provides a straightforward upgrade capability to the LH28F004SUT-NC from a LH28F008SA-based design. The LH28F400SU-NC incorporates ...
Page 7
Flash Memory BUS OPERATIONS, COMMANDS AND STATUS REGISTER DEFINITIONS Bus Operations for Word-Wide Mode (BY MODE RP » CE » Read Output Disable Standby V ...
Page 8
LH28F400SU-NC LH28F008SA-Compatible Mode Command Bus Definitions COMMAND Read Array Intelligent Identifier Read Compatible Status Register Clear Status Register Word Write Alternate Word Write Block Erase/Confirm Erase Suspend/Resume ADDRESS DATA AA = Array Address AD = Array Data BA = Block ...
Page 9
... There are unassigned commands not recom- mended that the customer use any command other than the valid commands specified in “Command Bus Defi- nitions”. Sharp reserved the right to redefine these codes for future functions. Please do not execute reprogramming 0 for the bit which has already been programmed 0 ...
Page 10
LH28F400SU-NC START WRITE 40H or 10H WRITE DATA/ADDRESS READ COMPATIBLE STATUS REGISTER 0 CSR CSR FULL STATUS CHECK IF DESIRED OPERATION COMPLETE CSR FULL STATUS CHECK PROCEDURE READ CSRD (see above) 0 DATA WRITE CSR. SUCCESSFUL ...
Page 11
Flash Memory START WRITE 20H WRITE D0H AND BLOCK ADDRESS READ COMPATIBLE STATUS REGISTER NO 0 SUSPEND CSR.7 = ERASE 1 CSR FULL STATUS CHECK IF DESIRED OPERATION COMPLETE CSR FULL STATUS CHECK ...
Page 12
LH28F400SU-NC START WRITE B0H READ COMPATIBLE STATUS REGISTER 0 CSR CSR.6 = ERASE COMPLETED 1 WRITE FFH READ ARRAY DATA DONE NO READING? YES WRITE D0H WRITE FFH ERASE RESUMED READ ARRAY DATA Figure 8. Erase Suspend ...
Page 13
Flash Memory START READ COMPATIBLE STATUS REGISTER 0 CSR RESET WP READ COMPATIBLE STATUS REGISTER 0 CSR WRITE 77H WRITE D0H AND BLOCK ADDRESS READ COMPATIBLE STATUS REGISTER 0 ...
Page 14
LH28F400SU-NC START RESET WP (NOTE 1) ERASE BLOCK (NOTE 2) SET WP (NOTE 3) WRITE NEW DATA TO BLOCK (NOTE 4) RELOCK BLOCK (NOTE 5) OPERATION COMPLETE FLOW TO REWRITE DATA NOTES: 1. Use Reset-Write-Protect flowchart. Enable Write/Erase operation to ...
Page 15
Flash Memory START READ COMPATIBLE STATUS REGISTER 0 CSR WRITE FBH WRITE DATA/A -1 WRITE DATA/ADDRESS READ COMPATIBLE STATUS REGISTER 0 CSR (NOTE) 1 CSR. ANOTHER ...
Page 16
LH28F400SU-NC START (NOTE) WRITE A7H WRITE D0H READ COMPATIBLE STATUS REGISTER NO 0 SUSPEND CSR.7 = ERASE 1 CSR FULL STATUS CHECK IF DESIRED OPERATION COMPLETE CSR FULL STATUS CHECK PROCEDURE READ CSRD (see above) 0 ERASE CSR. ...
Page 17
Flash Memory START READ COMPATIBLE STATUS REGISTER 0 CSR WRITE 57H WRITE CONFIRM DATA/ADDRESS READ COMPATIBLE STATUS REGISTER 0 CSR (NOTE) 1 CSR. OPERATION COMPLETE BUS ...
Page 18
LH28F400SU-NC START READ COMPATIBLE STATUS REGISTER 0 CSR WRITE 47H WRITE CONFIRM DATA/ADDRESS READ COMPATIBLE STATUS REGISTER 0 CSR (NOTE) 1 CSR. OPERATION COMPLETE 18 4M (512K × 8, 256K × 16) Flash ...
Page 19
Flash Memory ELECTRICAL SPECIFICATIONS Absolute Maximum Ratings* Temperature under bias ......................... 0°C to +80°C Storage temperature ......................... -65°C to +125° 5.0 V ± 0.5 V Systems CC SYMBOL PARAMETER T Operating ...
Page 20
LH28F400SU-NC Timing Nomenclature For 5.0 V systems use the standard JEDEC cross point definitions. Each timing parameter consists of 5 characters. Some common examples are defined below time (t) from CE » (E) going low (L) ...
Page 21
Flash Memory DC Characteristics V = 5.0 V ± 0 0°C to +70° SYMBOL PARAMETER I Input Load Current IL I Output Leakage Current Standby ...
Page 22
LH28F400SU-NC DC Characteristics (Continued 5.0 V ± 0 0°C to +70° SYMBOL PARAMETER I V Read Current PPR Write Current PPW Erase Current PPE PP V Erase ...
Page 23
Flash Memory AC Characteristics - Read Only Operations V = 5.0 V ± 0 0°C to +70° SYMBOL PARAMETER t Read Cycle Time AVAV t Address Setup to ...
Page 24
LH28F400SU- POWER-UP STANDBY V IH ADDRESSES ( ( ( ( HIGH-Z OH DATA (D/ 5 ...
Page 25
Flash Memory V IH ADDRESSES ( ( ( BYTE ( HIGH-Z OH DATA ( ...
Page 26
LH28F400SU-NC POWER-UP AND RESET TIMINGS V POWER ( ADDRESS (A) DATA (Q) Figure 21. V SYMBOL PARAMETER » Low 4.5 V MIN. PL5V CC t Address ...
Page 27
Flash Memory AC Characteristics for WE » - Controlled Command Write Operations V = 5.0 V ± 0 0°C to +70° SYMBO- PARAMETER L t Write ...
Page 28
LH28F400SU-NC WRITE DATA-WRITE OR ERASE DEEP POWER-DOWN SETUP COMMAND V ADDRESSES (A) IH (NOTE AVAV V ADDRESSES (A) IH (NOTE AVAV ( WHEH t ELWL V ...
Page 29
Flash Memory AC Characteristics for CE » - Controlled Command Write Operations V = 5.0 V ± 0 0°C to +70° SYMBOL PARAMETER t Write Cycle ...
Page 30
LH28F400SU-NC WRITE DATA-WRITE DEEP OR ERASE POWER-DOWN SETUP COMMAND V ADDRESSES (A) IH (NOTE AVAV V ADDRESSES (A) IH (NOTE AVAV ( EHWH t WLEL V ...
Page 31
Flash Memory Erase and Byte Write Performance V = 5.0 V ± 0 0°C to +70° SYMBOL PARAMETER 1 t Byte Write Time WHRH 2 Two-Byte Serial Write ...
Page 32
LH28F400SU-NC 56TSOP (TSOP056-P-1420 20.30 [0.799] 19.70 [0.776] 18.60 [0.732] 18.20 [0.717] 0.18 [0.007] 0.08 [0.003] 19.30 [0.760] 18.70 [0.736] MAXIMUM LIMIT DIMENSIONS IN MM [INCHES] MINIMUM LIMIT 32 4M (512K × 8, 256K × 16) Flash Memory 56 ...
Page 33
Flash Memory 48TSOP (TSOP048-P-1218) 0.50 [0.020] 0.30 [0.012] TYP. 0.10 [0.004 12.20 [0.480] 11.80 [0.465] MAXIMUM LIMIT DIMENSIONS IN MM [INCHES] MINIMUM LIMIT 25 16.60 [0.654] 18.40 [0.724] 16.20 [0.638] 17.60 ...
Page 34
LH28F400SU-NC 44SOP (SOP044-P-0600) 1.27 [0.050] TYP. 0.50 [0.020] 0.30 [0.012 28.40 [1.118] 28.00 [1.102] MAXIMUM LIMIT DIMENSIONS IN MM [INCHES] MINIMUM LIMIT ORDERING INFORMATION LH28F400SU X -NC## Device Type Package Speed Example: LH28F400SUT-NC60 (4M (512K x 8, 256K ...
Page 35
... Product which fails during the warranty period because of such defect (if Customer promptly reported the failure to SHARP in writing) or, (ii) if SHARP is unable to repair or replace, SHARP will refund the purchase price of the Product upon its return to SHARP . This warranty does not apply to any Product which has been subjected to misuse, abnormal service or handling, or which has been altered or modified in design or construction, or which has been serviced or repaired by anyone other than SHARP ...