AM42DL1644DT85I Spansion Inc., AM42DL1644DT85I Datasheet - Page 5

• Manufacturer Part Number: AM42DL1644DT85I
• Manufacturer: Spansion Inc.

Specifications of AM42DL1644DT85I

• Lead Free Status / RoHS Status: Not Compliant

Flash Erase And Programming Performance . . 57
4
Alternate CE#f Controlled Erase and Program Operations .... 50
SRAM Read Cycle .................................................................. 52
SRAM Write Cycle .................................................................. 54
Timing Diagram............................................................................... 49
Figure 27. Flash Alternate CE#f Controlled Write (Erase/Program) Op-
eration Timings................................................................................ 51
Figure 28. SRAM Read Cycle—Address Controlled....................... 52
Figure 29. SRAM Read Cycle ......................................................... 53
Figure 30. SRAM Write Cycle—WE# Control ................................. 54
Figure 31. SRAM Write Cycle—CE1#s Control .............................. 55
Figure 32. SRAM Write Cycle—UB#s and LB#s Control ................ 56
P R E L I M I N A R Y
Am42DL16x4D
Flash Latchup Characteristics. . . . . . . . . . . . . . . 57
Package Pin Capacitance . . . . . . . . . . . . . . . . . . 57
FLASH Data Retention . . . . . . . . . . . . . . . . . . . . . 57
SRAM Data Retention . . . . . . . . . . . . . . . . . . . . . 58
Physical Dimensions . . . . . . . . . . . . . . . . . . . . . . 59
Revision Summary . . . . . . . . . . . . . . . . . . . . . . . . 60
FLA069—69-Ball Fine-Pitch Grid Array 8 x 11 mm ............... 59
Revision A (October 24, 2001) ............................................... 60
Figure 33. CE1#s Controlled Data Retention Mode....................... 58
Figure 34. CE2s Controlled Data Retention Mode......................... 58
January 9, 2002