at52br1664at ATMEL Corporation, at52br1664at Datasheet - Page 2

• Manufacturer Part Number: at52br1664at
• Description: 16-megabit Flash 4-megabit Sram Stack Memory
• Manufacturer: ATMEL Corporation

CBGA Top View
Pin
Configurations
2
AT52BR1664A(T)
Pin Name
A0 - A17
A18 - A19
CE
OE/SOE
WE/SWE
VCC
VPP
I/O0-I/O15
SCS1, SCS2
RDY/BUSY
SVCC
GND/SGND
SUB
SLB
NC
RESET
G
C
D
H
A
B
E
F
NC
NC
1
NC
NC
2
SGND
A18
A16
SLB
WE
NC
NC
NC
3
RDY BUSY
RESET
Function
Flash/SRAM Common Address Input for 4M SRAM
Flash Address Input
Flash Chip Enable
Flash/SRAM, Output Enable
Flash/SRAM, Write Enable
Flash Power Supply
Optional Flash Power Supply for Faster Program/Erase Operations
Data Inputs/Outputs
SRAM Chip Select
Flash Ready/Busy Output
SRAM Power Supply
Flash/SRAM GND
SRAM Upper Byte
SRAM Lower Byte
No Connect
Flash Reset
SUB
A11
Vpp
A17
4
A8
A5
SOE
A15
A10
A19
5
A7
A4
I/O11
A14
6
A9
A6
A0
I/O15
I/O12
I/O13
I/O9
A13
CE
7
A3
SCS2
I/O10
SWE
GND
A12
I/O8
I/O6
8
A2
I/O14
GND
SVcc
I/O2
I/O0
I/O4
OE
9
A1
SCS1
10
I/O7
I/O3
I/O1
I/O5
Vcc
NC
NC
NC
NC
3361C–STKD–1/04
11
NC
NC
12