eroflex Circuit Technology - Advanced Multichip Modules © SCD3866 REV 1 12/4/98
Features
Block Diagram – CQFP(F2)
a73 8 Low Voltage/Power AMD 2M x 8 FLASH Die in One
MCM Package
a73 Overall Configuration is 4M x 32
a73 +5V Power Supply / +5V Programing Operation
a73 Access Times of 100, 120 and 150 ns
a73 Erase/Program Cycles – 100,000 Minimum (+25°C)
a73 Sector erase architecture (Each Die)
a71 32 uniform sectors of 64 Kbytes each
a71 Any combination of sectors can be erased. Also
supports full chip erase
a71 Sector group protection is user definable
a73 Embedded Erase Algorithims – Automatically
pre-programs and erases the die or any sector
a73 Embedded Program Algorithims – Automatically
programs and verifies data at specified address
a73 Ready/Busy output (RY/BY) – Hardware method for
detection of program or erase cycle completion
a73 Hardware RESET pin – Resets internal state machine
to the read mode
a73 Erase Suspend/Resume – Supports reading or
programming data to a sector not being erased
a73 Packaging – Hermetic Ceramic
a71 68–Lead, Low Profile CQFP(F1), 1.56"SQ x .140"max
a71 68–Lead, Dual-Cavity CQFP(F2), 0.88"SQ x .20"max
(.18 max thickness available, contact factory for details)
(Drops into the 68 Lead JEDEC .99"SQ CQFJ footprint)
a73 Internal Decoupling Capacitors for Low Noise
Operation
a73 Commercial, Industrial and Military Temperature
Ranges
a73 MIL-PRF-38534 Compliant MCMs Available
CIRCUIT TECHNOLOGY
Pin Description
I/O0-31 Data I/O
A0–20 Address Inputs
WE Write Enable
CE1,2 Chip Enables
OE Output Enable
RESET Reset
RY/BY Ready/Busy
VCC Power Supply
GND Ground
NC Not Connected
www.aeroflex.com/act1.htm
Block Diagram – CQFP(F1) Pin Description
I/O0-31 Data I/O
A0–21 Address Inputs
WE Write Enables
CE1-4 Chip Enables
OE Output Enable
RESET Reset
RY/BY Ready/Busy
VCC Power Supply
GND Ground
NC Not Connected
Sector Erase
FLASH Multichip Module
ACT–F4M32A High Speed 128 Megabit
Advanced
WE
OE
A0 - A 20
RESET
I/O8-15 I/O16-23I/O0-7 I/O24-31
2Mx8
2Mx8
2Mx8
2Mx8
2Mx8
2Mx8
2Mx8
2Mx8
8 88 8
CE2
CE1
WE
OE
A0 - A20
RESET
2Mx8
2Mx8
2Mx8
2Mx8
2Mx8
2Mx8
2Mx8
2Mx8
Buffer
8888
I/O8-15 I/O16-23I/O0-7 I/O24-31
A21
CE2 CE3 CE4CE1
RY/BY
RY/BY