DL162 datasheet(5/63 Pages) AMD

5 / 63 page

Am41DL16x4D

P R E L IMINARY

Figure 22. Data# Polling Timings (During Embedded Algorithms).. 48

Figure 23. Toggle Bit Timings (During Embedded Algorithms)....... 49

Figure 24. DQ2 vs. DQ6.................................................................. 49

Temporary Sector/Sector Block Unprotect ............................. 50

Figure 25. Temporary Sector/Sector Block Unprotect

Timing Diagram............................................................................... 50

Figure 26. Sector/Sector Block Protect and Unprotect

Timing Diagram............................................................................... 51

Alternate CE#f Controlled Erase and Program Operations .... 52

Figure 27. Flash Alternate CE#f Controlled Write (Erase/Program) Op-

eration Timings................................................................................ 53

SRAM Read Cycle .................................................................. 54

Figure 28. SRAM Read Cycle—Address Controlled....................... 54

Figure 29. SRAM Read Cycle ......................................................... 55

SRAM Write Cycle .................................................................. 56

Figure 30. SRAM Write Cycle—WE# Control ................................. 56

Figure 31. SRAM Write Cycle—CE1#s Control ............................. 57

Figure 32. SRAM Write Cycle—UB#s and LB#s Control ............... 58

Flash Erase And Programming Performance

. 59

Flash Latchup Characteristics. . . . . . . . . . . . . . . 59

Package Pin Capacitance . . . . . . . . . . . . . . . . . . 59

FLASH Data Retention . . . . . . . . . . . . . . . . . . . . . 59

SRAM Data Retention . . . . . . . . . . . . . . . . . . . . . 60

Figure 33. CE1#s Controlled Data Retention Mode....................... 60

Figure 34. CE2s Controlled Data Retention Mode......................... 60

Physical Dimensions . . . . . . . . . . . . . . . . . . . . . . 61

FLA069—69-Ball Fine-Pitch Grid Array 8 x 11 mm ............... 61

Revision Summary . . . . . . . . . . . . . . . . . . . . . . . . 62

Revision A (October 24, 2001) ............................................... 62

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