ACT鈥揊4M32A High Speed 128 Megabit
Sector Erase
FLASH Multichip Module
Advanced
Features
www.aeroflex.com/act1.htm
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Ready/Busy output (RY/BY) 鈥?Hardware method for
CIRCUIT TECHNOLOGY
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8 Low Voltage/Power AMD 2M x 8 FLASH Die in One
MCM Package
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Overall Configuration is 4M x 32
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+5V Power Supply / +5V Programing Operation
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Access Times of 100, 120 and 150 ns
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Erase/Program Cycles 鈥?100,000 Minimum (+25擄C)
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Sector erase architecture (Each Die)
32 uniform sectors of 64 Kbytes each
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Any combination of sectors can be erased. Also
supports full chip erase
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Sector group protection is user definable
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detection of program or erase cycle completion
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Hardware RESET pin 鈥?Resets internal state machine
to the read mode
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Erase Suspend/Resume 鈥?Supports reading or
programming data to a sector not being erased
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Packaging 鈥?Hermetic Ceramic
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68鈥揕ead, Low Profile CQFP(F1), 1.56"SQ x .140"max
68鈥揕ead, 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)
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Embedded Erase Algorithims 鈥?Automatically
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Internal Decoupling Capacitors for Low Noise
pre-programs and erases the die or any sector
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Embedded Program Algorithims 鈥?Automatically
programs and verifies data at specified address
Operation
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Commercial, Industrial and Military Temperature
Ranges
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MIL-PRF-38534 Compliant MCMs Available
Pin Description
Block Diagram 鈥?CQFP(F1)
CE
1
A21
CE
2
CE
3
CE
4
I/O
0-31
A
0鈥?1
WE
CE
1-4
Data I/O
Address Inputs
Write Enables
Chip Enables
Output Enable
Reset
Ready/Busy
Power Supply
Ground
Not Connected
RESET
WE
A0 - A20
OE
RY/BY
Buffer
OE
RESET
RY/BY
2Mx8
2Mx8
8
2Mx8
2Mx8
8
2Mx8
2Mx8
8
2Mx8
2Mx8
8
V
CC
GND
NC
I/O
0-7
I/O
8-15
I/O
16-23
I/O
24-31
Block Diagram 鈥?CQFP(F2)
I/O
0-7
RESET
WE
A0 - A 20
OE
8
Pin Description
I/O
8-15
8
I/O
16-23
8
I/O
24-31
8
I/O
0-31
A
0鈥?0
WE
CE
1,2
OE
Data I/O
Address Inputs
Write Enable
Chip Enables
Output Enable
Reset
Ready/Busy
Power Supply
Ground
Not Connected
RY/BY
2Mx8
2Mx8
CE1
CE2
2Mx8
2Mx8
2Mx8
2Mx8
2Mx8
2Mx8
RESET
RY/BY
V
CC
GND
NC
eroflex Circuit Technology - Advanced Multichip Modules 漏 SCD3866 REV 1 12/4/98
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