A D V A N C E I N F O R M A T I O N
Temporary Sector Unprotect ................................................ 115
Figure 23. Temporary Sector Unprotect Timing Diagram ............. 115
Figure 24. Sector/Sector Block Protect and
Unprotect Timing Diagram ............................................................ 116
Alternate CE# Controlled Erase and Program Operations ... 117
Figure 25. Alternate CE# Controlled Write (Erase/Program)
Operation Timings......................................................................... 118
Erase And Programming Performance . . . . . . . 119
Latchup Characteristics . . . . . . . . . . . . . . . . . . 119
PSRAM AC Characteristics . . . . . . . . . . . . . . . . 120
CE#s Timing ......................................................................... 120
Figure 26. Timing Diagram for Alternating
Between Pseudo SRAM to Flash.................................................. 120
Figure 27. Timing Waveform of Power-up .................................... 120
pSRAM AC CHaracteristics . . . . . . . . . . . . . . . . 121
Absolute Maximum Ratings .................................................. 121
DC Recommended Operating Conditions (Ta = -25oC to 85oC)
121
DC Characteristics (Ta = -25oC to 85oC, VDD = 2.6 to 3.3 V) ..
122
Capacitance (Ta = -25oC, f = 1 MHz) .................................. 122
AC Characteristics and Operating Conditions ...................... 123
AC Test Conditions ............................................................... 124
Timing Diagrams ................................................................... 125
Page Read Cycle (8 words access) ......................................125
Write Cycle 1 ........................................................................ 126
Write Cycle 2 ........................................................................ 126
Physical Dimensions . . . . . . . . . . . . . . . . . . . . . 128
FMB073—73-Ball Fine-Pitch Grid Array 9 x 12 mm ............. 128
Revision Summary . . . . . . . . . . . . . . . . . . . . . . . 129
Functional Description .......................................................... 121
10
Am75PDL191CHH/Am75PDL193CHH
February 5, 2004
CYPRESS [ CYPRESS ]
