AT52BR1664-90CI Atmel, AT52BR1664-90CI Datasheet - Page 2

• Manufacturer Part Number: AT52BR1664-90CI
• Manufacturer: Atmel

Specifications of AT52BR1664-90CI

• Operating Supply Voltage (max): 3.3V
• Operating Temperature (max): 85C
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Not Compliant

2
CBGA Top View
Pin
Configurations
AT52BR1662(T)/1664(T)
Pin Name
A0 - A16
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
C
D
G
H
A
B
E
F
NC
NC
1
NC
NC
2
SGND
SLB
A18
A16
NC
WE
NC
NC
3
RDY BUSY
RESET
Function
Flash/SRAM Common Address Input for 2M SRAM
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
SVcc
GND
I/O2
I/O0
I/O4
OE
9
A1
SCS1
10
I/O7
I/O3
I/O1
I/O5
Vcc
NC
NC
2212C–STKD–09/02
NC
NC
11
NC
NC
12