March 8, 2002 Am49DL640BG 5
PRELIMINARY
PRODUCT SELECTOR GUIDE
MCP BLOCK DIAGRAM
P art Number Am49DL640 BG
Speed
Options
Standard Voltage Range:
V
CC
= 2.7–3.3 V
Flash Memory Pseudo SRAM
70 85 70 85
Max Access Time, ns 70 85 70 85
Pa ge Access Time (pSRAM), ns N/A N/A 30 35
CE#f Access, ns 70 85 70 85
OE# Access, ns 30 40 25 30
V
SS
/V
SSQ
V
CC
s/V
CCQ
RESET#
WE#
CE#f
OE#
CE1#s
V
SS
V
CC
f
RY/BY#
LB#s
UB#s
CIOf
WP#/ACC
CE2s
32 MBit
Pseudo
SRAM
64 MBit
Flash Memory
DQ15/A
–
1 to DQ0
DQ15/A
–
1 to DQ0
DQ15/A
–
1 to DQ0
A21 to A0
A21 to A0
A
–
1
A20 to A0
