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PDF ACT-F1288N-060F6T Data sheet ( Hoja de datos )

Número de pieza ACT-F1288N-060F6T
Descripción ACT-F128K8 High Speed 1 Megabit Monolithic FLASH
Fabricantes Aeroflex Circuit Technology 
Logotipo Aeroflex Circuit Technology Logotipo



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No Preview Available ! ACT-F1288N-060F6T Hoja de datos, Descripción, Manual

ACT–F128K8 High Speed
1 Megabit Monolithic FLASH
Features
CIRCUIT TECHNOLOGY
www.aeroflex.com
s Low Power Monolithic 128K x 8 FLASH
s Industry Standard Pinouts
s TTL Compatible Inputs and CMOS Outputs s Packaging – Hermetic Ceramic
s Access Times of 60, 70, 90, 120 and 150ns
s +5V Programing, +5V Supply
s 100,000 Erase / Program Cycles
s Low Standby Current
q 32 Lead, 1.6" x .6" x .20" Dual-in-line Package (DIP),
Aeroflex code# "P4"
q 32 Lead, .82" x .41" x .125" Ceramic Flat Package
(FP), Aeroflex code# "F6"
q 32 Lead, .82" x .41" x .132" Ceramic Flat Package
(FP Lead Formed), Aeroflex code# "F7"
s Page Program Operation and Internal
Program Control Time
s Supports Full Chip Erase
s Sector Architecture
q 8 Equal size sectors of 16K bytes each
q Any Combination of Sectors can be erased with one
command sequence.
s Embedded Erase and Program Algorithms s Commercial, Industrial and Military
s Supports Full Chip Erase
Temperature Ranges
s
MIL-PRF-38534 Compliant Circuits Available
s
DESC SMD Pending
5962-96690 (P4,F6,F7)
Block Diagram – DIP (P4) & Flat Packages (F6,F7)
WE
OE
A0 – A16
CE
Vss
512Kx8
Vcc
8
I/O0-7
Pin Description
I/O0-7
Data I/O
A0–16 Address Inputs
WE Write Enable
CE Chip Enable
OE Output Enable
VCC Power Supply
VSS Ground
NC Not Connected
General Description
The ACT–F128K8 is a high
speed, 1 megabit CMOS
monolithic Flash module
designed for full temperature
range military, space, or high
reliability applications.
This device is input TTL and
output CMOS compatible. The
command register is written by
bringing write enable (WE) and
chip enable (CE) to a logic low
level and output enable (OE) to a
logic high level. Reading is
accomplished when WE is high
and CE, OE are both low, see
Figure 9. Access time grades of
60ns, 70ns, 90ns, 120ns and
150ns maximum are standard.
The ACT–F128K8 is
available in a choice of
eroflex Circuit Technology - Advanced Multichip Modules © SCD1676 REV A 5/6/98

1 page




ACT-F1288N-060F6T pdf
Device Operation
The ACT-F128K8 Monolithic module is composed of one,
1 megabit flash EEPROM.
Programming of the ACT-F128K8 is accomplished by
executing the program command sequence. The
program algorithm, which is an internal algorithm,
automatically times the program pulse widths and
verifies proper cell status. Sectors can be programed
and verified in less than 0.3 second. Erase is
accomplished by executing the erase command
sequence. The erase algorithm, which is internal,
automatically preprograms the array if it is not already
programed before executing the erase operation. During
erase, the device automatically times the erase pulse
widths and verifies proper cell status. The entire
memory is typically erased and verified in 3 seconds
(if pre-programmed). The sector mode allows for 16K
byte blocks of memory to be erased and reprogrammed
without affecting other blocks.
Bus Operation
READ
The ACT-F128K8 has two control functions, both of
which must be logically active, to obtain data at the
outputs. Chip Enable (CE) is the power control and
should be used for device selection. Output-Enable (OE)
is the output control and should be used to gate data to
the output pins of the chip selected. Figure 7 illustrates
AC read timing waveforms.
OUTPUT DISABLE
With Output-Enable at a logic high level (VIH), output
from the device is disabled. Output pins are placed in a
high impedance state.
STANDBY MODE
The ACT-F128K8 has two standby modes, a CMOS
standby mode (CE input held at Vcc + 0.5V), where the
current consumed is typically less than 400 µA; and a
TTL standby mode (CE is held VIH) is approximately 1
mA. In the standby mode the outputs are in a high
impedance state, independent of the OE input.
If the device is deselected during erasure or
programming, the device will draw active current until the
operation is completed.
WRITE
Device erasure and programming are accomplished via
the command register. The contents of the register
serve as input to the internal state machine. The state
machine outputs dictate the function of the device.
The command register itself does not occupy an
addressable memory location. The register is a latch
used to store the command, along with address and data
information needed to execute the command. The
command register is written by bringing WE to a logic
low level (VIL), while CE is low and OE is at VIH.
Addresses are latched on the falling edge of WE or CE,
whichever happens later. Data is latched on the rising
edge of the WE or CE whichever occurs first. Standard
microprocessor write timings are used. Refer to AC
Program Characteristics and Waveforms, Figures 3,
8 and 13.
Command Definitions
Device operations are selected by writing specific
address and data sequences into the command register.
Table 3 defines these register command sequences.
READ/RESET COMMAND
The read or reset operation is initiated by writing the
read/reset command sequence into the command
register. Microprocessor read cycles retrieve array data
from the memory. The device remains enabled for reads
until the command register contents are altered.
The device will automatically power-up in the read/reset
state. In this case, a command sequence is not required
to read data. Standard microprocessor read cycles will
retrieve array data. The device will automatically
power-up in the read/reset state. In this case, a
command sequence is not required to read data.
Standard Microprocessor read cycles will retrieve array
data. This default value ensures that no spurious
alteration of the memory content occurs during the
power transition. Refer to the AC Read Characteristics
and Figure 7 for the specific timing parameters.
Table 1 – Bus Operations
Operation
CE OE WE A0 A1 A9 I/O
READ
L L H A0 A1 A9 DOUT
STANDBY
H X X X X X HIGH Z
OUTPUT DISABLE L H H X X X HIGH Z
WRITE
L H L A0 A1 A9 DIN
ENABLE SECTOR
PROTECT
L VID L
X
X VID
X
VERIFY SECTOR
PROTECT
L
L
H
L
H VID Code
Table 2 – Sector Addresses Table
A16 A15 A14
SA0 0 0 0
SA1 0 0 1
SA2 0 1 0
SA3 0 1 1
SA4 1 0 0
SA5 1 0 1
SA6 1 1 0
SA7 1 1 1
Address Range
00000h – 03FFFh
04000h – 07FFFh
08000h – 0BFFFh
0C000h – 0FFFFh
10000h – 13FFFh
14000h – 17FFFh
18000h – 1BFFFh
1C000h – 1FFFFh
Aeroflex Circuit Technology
5 SCD1676 REV A 5/6/98 Plainview NY (516) 694-6700

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ACT-F1288N-060F6T arduino
Figure 4
Erase Algorithm
Bus
Operations
Standby
Write
Read
Standby
Command
Sequence
Comments
Erase
Data Polling to Verify Erasure
Compare Output to FFH
Start
Write Erase Command Sequence
(See Below)
Data Poll or Toggle Bit
Successfully Completed
Erasure Completed
Chip Erase Command Sequence
(Address/Command)
5555H/AAH
Individual Sector/Multiple Sector
Erase Command Sequence
(Address/Command)
5555H/AAH
2AAAH/55H
2AAAH/55H
5555H/80H
5555H/80H
5555H/AAH
5555H/AAH
2AAAH/55H
2AAAH/55H
5555H/10H
Sector Address/30H
Additional Sector
Erase Commands
are Optional
Sector Address/30H
Sector Address/30H
Note 1. To Ensure the command has been accepted, the system software should check the
status of D3 prior to and following each subsequent sector erase command. If D3 were high on
the second status check, the command may not have been accepted.
Aeroflex Circuit Technology
11 SCD1676 REV A 5/6/98 Plainview NY (516) 694-6700

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