FM27C040V150 [FAIRCHILD]
4,194,304-Bit 512K x 8 High Performance CMOS EPROM; 4,194,304位512K ×8的高性能CMOS EPROM型号: | FM27C040V150 |
厂家: | FAIRCHILD SEMICONDUCTOR |
描述: | 4,194,304-Bit 512K x 8 High Performance CMOS EPROM |
文件: | 总11页 (文件大小:108K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
January 2000
FM27C040
4,194,304-Bit (512K x 8) High Performance
CMOS EPROM
General Description
Features
The FM27C040 is a high performance, 4,194,304-bit Electrically
Programmable UV Erasable Read Only Memory. It is organized
as 512K words of 8 bits each. Its pin-compatibility with byte-wide
JEDEC EPROMs enables upgrades through 8 Mbit EPROMs.
The “Don’t Care” feature on VPP during read operations allows
memory expansions from 1M to 8 Mbits with no printed circuit
board changes.
I High performance CMOS
—120, 150ns access time*
I Simplified upgrade path
—VPP is a “Don’t Care” during normal read operation
I Manufacturer’s identification code
I JEDEC standard pin configuration
—32-pin PDIP
The FM27C040 provides microprocessor-based systems exten-
sive storage capacity for large portions of operating system and
application software. Its 120ns access time provides high speed
operation with high-performance CPUs. The FM27C040 offers a
single chip solution for the code storage requirements of 100%
firmware-based equipment. Frequently used software routines
are quickly executed from EPROM storage, greatly enhancing
system utility.
—32-pin PLCC
—32-pin CERDIP
TheFM27C040ismanufacturedusingFairchild’sadvancedCMOS
AMG™ EPROM technology.
*Note: New revision meets 70ns. Please check with factory for availability.
Block Diagram
Data Outputs O - O
0
7
V
CC
GND
V
PP
Output Enable,
Chip Enable, and
Program Logic
OE
Output
Buffers
CE/PGM
Y Decoder
Y Gating
A
- A
18
0
Address
Inputs
4,194,304-Bit
Cell Matrix
X Decoder
DS800033-1
AMG™ is a trademark of WSI, Inc.
1
© 1999 Fairchild Semiconductor Corporation
FM27C040 Rev. A
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Connection Diagrams
27C010
FM27C040
27C010
XX/V
PP
XX/V
PP
1
V
A
A
A
A
A
A
A
V
32
CC
18
17
14
13
8
CC
A
A
A
A
2
XX/PGM
NC
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
16
15
12
A
3
15
A
4
A
12
14
A
7
A
6
A
5
A
4
A
3
A
2
A
1
A
0
O
0
O
1
O
2
GND
A
7
A
6
A
5
A
4
A
3
A
2
A
1
A
0
O
0
O
1
O
2
5
A
13
6
A
8
A
9
A
7
9
8
11
11
9
OE
OE
10
11
12
13
14
15
16
A
A
10
10
CE/PGM
CE
O
7
O
6
O
5
O
4
O
7
O
6
O
5
O
4
GND
O
3
O
3
DS800033-2
Note:
Compatible EPROM pin configurations are shown in the blocks adjacent to the FM27C040 pin.
Commercial Temperature Range
(0°C to +70°C) VCC = 5V 10%
Extended Temperature Range
(-40°C to +85°C) VCC = 5V 10%
Parameter/Order Number Access Time (ns)
Parameter/Order Number Access Time (ns)
FM27C040 Q, N, V 90
FM27C040 Q, N, V 120
FM27C040 Q, N, V 150
90
FM27C040 QE, NE, VE 90
FM27C040 QE, NE, VE 120
FM27C040 QE, NE, VE 150
90
120
150
120
150
Package Types: FM27C040 Q, N,V XXX
Q = Quartz-Windowed Ceramic DIP
N = Plastic DIP
• All versions are guaranteed to function for slower speeds.
Pin Names
A0–A18
CE/PGM
OE
Addresses
V = PLCC
Chip Enable/Program
Output Enable
• All packages conform to the JEDEC standard.
O0–O7
XX
Outputs
Don’t Care (During Read)
2
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FM27C040 Rev. A
All Output Voltages with
Respect to Ground
Absolute Maximum Ratings (Note 1)
VCC +1.0V to GND - 0.6V
Storage Temperature
-65°C to +150°C
Operating Range
All Input Voltages except A9 with
Respect to Ground
-0.6V to +7V
-0.6V to +14V
Range
Commercial
Industrial
Temperature
VCC
+5V
+5V
Tolerance
10%
VPP and A9 with Respect to Ground
0°C to +70°C
VCC Supply Voltage with
Respect to Ground
-40°C to +85°C
10%
-0.6V to +7V
>2000V
ESD Protection
Read Operation
DC Electrical Characteristics Over operating range with VPP = VCC
Symbol
VIL
Parameter
Test Conditions
Min
-0.5
2.0
Max
0.8
Units
V
Input Low Level
VIH
Input High Level
VCC +1
0.4
V
VOL
Output Low Voltage
Output High Voltage
VCC Standby Current (CMOS)
VCC Standby Current
VCC Active Current
IOL = 2.1 mA
V
VOH
ISB1
IOH = -2.5 mA
CE = VCC 0.3V
CE = VIH
3.5
V
100
1
µA
mA
mA
ISB2
ICC
CE = OE = VIL,
I/O = 0 mA
f=5 MHz
30
IPP
VPP
ILI
VPP Supply Current
VPP Read Voltage
VPP = VCC
10
VCC
1
µA
V
VCC - 0.4
-1
Input Load Current
Output Leakage Current
VIN = 5.5V or GND
VOUT = 5.5V or GND
µA
µA
ILO
-10
10
AC Electrical Characteristics Over operating range with VPP = VCC
Symbol
Parameter
120
150
Units
Min
Max
120
120
50
Min
Max
150
150
50
tACC
tCE
Address to Output Delay
CE to Output Delay
OE to Output Delay
tOE
tDF
(Note 2)
Output Disable to
Output Float
45
55
ns
tOH
(Note 2)
Output Hold from Addresses CE or OE ,
Whichever Occurred First
0
0
Capacitance TA = +25°C, f = 1 MHz (Note 2)
Symbol
CIN
Parameter
Conditions
VIN = 0V
Typ
9
Max Units
Input Capacitance
15
pF
COUT
Output Capacitance
VOUT = 0V
12
15
pF
3
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FM27C040 Rev. A
AC Test Conditions
Output Load
1 TTL Gate and CL = 100 pF (Note 8)
Input Rise and Fall Times
Input Pulse Levels
≤5 ns
0.45V to 2.4V
Timing Measurement Reference Level (Note 10)
Inputs
Outputs`
0.8V and 2V
0.8V and 2V
AC Waveforms (Notes 6, 7, 9)
2V
ADDRESSES
Addresses Valid
0.8V
2V
0.8V
CE
OE
t
CF
(Note 4, 5)
t
CE
t
2V
0.8V
t
DF
OE
(Note 4, 5)
(Note 3)
2V
Hi-Z
Hi-Z
Valid Output
OUTPUT
0.8V
t
ACC
(Note 3)
t
OH
DS800033-4
Note 1: Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of
the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions
for extended periods may affect device reliability.
Note 2: This parameter is only sampled and is not 100% tested.
Note 3: OE may be delayed up to tACC - tOE after the falling edge of CE without impacting tACC
.
Note 4: The tDF and tCF compare level is determined as follows:
High to TRI-STATE®, the measured VOH1 (DC) - 0.10V;
Low to TRI-STATE, the measured VOL1 (DC) + 0.10V.
Note 5: TRI-STATE may be attained using OE or CE .
Note 6: The power switching characteristics of EPROMs require careful device decoupling. It is recommended that at least a 0.1 µF ceramic capacitor be used on every device
between VCC and GND.
Note 7: The outputs must be restricted to VCC + 1.0V to avoid latch-up and device damage.
Note 8: 1 TTL Gate: IOL = 1.6 mA, IOH = -400 µA.
CL: 100 pF includes fixture capacitance.
Note 9:
VPP may be connected to VCC except during programming.
Note 10: Inputs and outputs can undershoot to -2.0V for 20 ns Max.
4
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FM27C040 Rev. A
Programming Waveform (Note 13)
Program
Verify
Program
Address N
2V
ADDRESSES
0.8V
t
t
AS
DS
t
AH
2V
Hi-Z
Data In Stable
Data Out Valid
DATA
ADD
N
ADD
t
N
0.8V
t
DH
DF
6.25V
t
V
VCS
PP
12.75V
V
CC
t
VPS
2V
0.8V
CE/PGM
OE
t
t
OE
t
OES
PW
2V
0.8V
DS800033-5
Programming Characteristics (Notes 11, 12, 13, 14)
Symbol
tAS
Parameter
Conditions
Min
1
Typ
Max
Units
µs
Address Setup Time
tOES
tDS
OE Setup Time
1
µs
Data Setup Time
1
µs
tVPS
tVCS
tAH
VPP Setup Time
1
µs
VCC Setup Time
1
µs
Address Hold Time
Data Hold Time
0
µs
tDH
1
µs
tDF
Output Enable to Output Float Delay
Program Pulse Width
Data Valid from OE
CE/PGM = X
0
60
105
100
30
ns
tPW
45
50
µs
tOE
CE/PGM = X
ns
IPP
VPP Supply Current during
Programming Pulse
CE/PGM = VIL
mA
ICC
TA
VCC Supply Current
30
30
mA
°C
V
Temperature Ambient
Power Supply Voltage
Programming Supply Voltage
Input Rise, Fall Time
20
6.25
12.5
5
25
6.5
VCC
VPP
tFR
6.75
13.0
12.75
V
ns
V
VIL
VIH
tIN
Input Low Voltage
-0.1
2.4
0.8
0.8
0.0
4.0
0.45
Input High Voltage
V
Input Timing Reference Voltage
Output Timing Reference Voltage
2.0
2.0
V
tOUT
V
Note 11: Fairchild’s standard product warranty applies only to devices programmed to specifications described herein.
Note 12: VCC must be applied simultaneously or before VPP and removed simultaneously or after VPP. The EPROM must not be inserted into or removed from a board with
voltage applied to VPP or VCC
.
Note 13: The maximum absolute allowable voltage which may be applied to the VPP pin during programming is 14V. Care must be taken when switching the VPP supply to
prevent any overshoot from exceeding this 14V maximum specification. At least a 0.1 µF capacitor is required across VPP, VCC to GND to suppress spurious voltage transients
which may damage the device.
Note 14: During power up the CE/PGM pin must be brought high (≥VIH) either coincident with or before power is applied to VPP
.
5
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FM27C040 Rev. A
Turbo Programming Algorithm Flow Chart
VCC = 6.5V VPP = 12.75V
n = 0
ADDRESS = FIRST LOCATION
PROGRAM ONE 50µs PULSE
INCREMENT n
NO
YES
FAIL
DEVICE
FAILED
VERIFY
BYTE
n = 10?
PASS
INCREMENT
ADDRESS
n = 0
LAST
ADDRESS
?
NO
YES
ADDRESS = FIRST LOCATION
FAIL
VERIFY
BYTE
PASS
PROGRAM ONE
50 µs
INCREMENT
ADDRESS
PULSE
LAST
NO
ADDRESS
?
YES
CHECK ALL BYTES
1ST: VCC = VPP = 6.0V
2ND: VCC = VPP = 4.3V
DS800033-6
Note:
The standard National Semiconductor algorithm may also be used with it will have longer programming time.
FIGURE 1.
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FM27C040 Rev. A
supply is at 12.75V and OE is at VIH. It is required that at least a
0.1 µF capacitor be placed across VPP, VCC to ground to suppress
spurious voltage transients which may damage the device. The
data to be programmed is applied 8 bits in parallel to the data
output pins. The levels required for the address and data inputs
are TTL.
Functional Description
DEVICE OPERATION
The six modes of operation of the EPROM are listed in Table 1. It
should be noted that all inputs for the six modes are at TTL levels.
The power supplies required are VCC and VPP. The VPP power
supply must be at 12.75V during the three programming modes,
andmustbeat5Vintheotherthree modes. TheVCC powersupply
must be at 6.25V during the three programming modes, and at 5V
in the other three modes.
Whentheaddressanddataarestable,anactivelow,TTLprogram
pulse is applied to the CE/PGM input. A program pulse must be
applied at each address location to be programmed. The EPROM
is programmed with the Turbo Programming Algorithm shown in
Figure 1. Each Address is programmed with a series of 50 µs
pulses until it verifies good, up to a maximum of 10 pulses. Most
memorycellswillprogramwithasingle50µspulse.(Thestandard
National Semiconductor Algorithm may also be used but it will
have longer programming time.)
Read Mode
The EPROM has two control functions, both of which must be
logically active in order to obtain data at the outputs. Chip Enable
(CE/PGM) 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, independent of device
selection. Assuming that addresses are stable, address access
time (tACC) is equal to the delay from CE to output (tCE). Data is
available at the outputs tOE after the falling edge of OE, assuming
that CE/PGM has been low and addresses have been stable for
The EPROM must not be programmed with a DC signal applied to
the CE/PGM input.
Programming multiple EPROM in parallel with the same data can
be easily accomplished due to the simplicity of the pro-gramming
requirements. Like inputs of the parallel EPROM may be con-
nected together when they are programmed with the same data.
A low level TTL pulse applied to the CE/PGM input programs the
paralleled EPROM.
at least tACC -tOE
.
Standby Mode
The EPROM has a standby mode which reduces the active power
dissipation by over 99%, from of 65 mW to 0.55 mW. The EPROM
is placed in the standby mode by applying a CMOS high signal to
the CE/PGM input. When in standby mode, the outputs are in a
high impedance state, independent of the OE input.
Program Inhibit
Programming multiple EPROMs in parallel with different data is
also easily accomplished. Except for CE/PGM all like in-puts
(including OE) of the parallel EPROMs may be com-mon. A TTL
low level program pulse applied to an EPROM’s CE/PGM input
withVPP at12.75VwillprogramthatEPROM. ATTLhighlevelCE/
PGM input inhibits the other EPROMs from being programmed.
Output Disable
The EPROM is placed in output disable by applying a TTL high
signal to the OE input. When in output disable all circuitry is
enabled, except the outputs are in a high impedance state (TRI-
STATE).
Program Verify
Averifyshouldbeperformedontheprogrammedbitstodetermine
whether they were correctly programmed. The verify may be
performed with VPP at 12.75V. VPP must be at VCC, except during
programming and program verify.
Output OR-Typing
Because the EPROM is usually used in larger memory arrays,
Fairchild has provided a 2-line control function that accommo-
dates this use of multiple memory connections. The 2-line control
function allows for:
AFTER PROGRAMMING
Opaque labels should be placed over the EPROM window to
prevent unintentional erasure. Covering the window will also
preventtemporaryfunctionalfailureduetothegenerationofphoto
currents.
1. the lowest possible memory power dissipation, and
2. complete assurance that output bus contention will not occur.
To most efficiently use these two control lines, it is recommended
that CE/PGM be decoded and used as the primary device select-
ing function, while OE be made a common connection to all
devices in the array and connected to the READ line from the
system control bus. This assures that all deselected memory
devices are in their low power standby modes and that the output
pinsareactiveonlywhendataisdesiredfromaparticularmemory
device.
MANUFACTURER’S IDENTIFICATION CODE
The EPROM has a manufacturer’s identification code to aid in
programming. When the device is inserted in an EPROM pro-
grammer socket, the programmer reads the code and then
automatically calls up the specific programming algorithm for the
part. This automatic programming control is only possible with
programmers which have the capability of reading the code.
The Manufacturer’s Identification code, shown in Table 2, specifi-
cally identifies the manufacturer and device type. The code for
FM27C040 is “8F08”, where “8F” designates that it is made by
Fairchild Semiconductor, and “08” designates a 4 Megabit (512K
x 8) part.
Programming
CAUTION:Exceeding14Vonpin1(VPP)willdamagetheEPROM.
Initially, and after each erasure, all bits of the EPROM are in the
“1’s” state. Data is introduced by selectively programming “0’s”
into the desired bit locations. Although only “0’s” will be pro-
grammed, both “1’s” and “0’s” can be presented in the data word.
The only way to change a “0” to a “1” is by ultraviolet light erasure.
The code is accessed by applying 12V 0.5V to address pin A9.
Addresses A1–A8, A10–A18, and all control pins are held at VIL.
Address pin A0 is held at VIL for the manufacturer’s code, and held
at VIH for the device code. The code is read on the eight data pins,
O0 –O7 . Proper code access is only guaranteed at 25°C 5°C.
The EPROM is in the programming mode when the VPP power
7
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FM27C040 Rev. A
be checked to make certain full erasure is occurring. Incomplete
erasure will cause symptoms that can be misleading. Program-
mers, components, and even system designs have been errone-
ously suspected when incomplete erasure was the problem.
Functional Description (Continued)
ERASURE CHARACTERISTICS
The erasure characteristics of the device are such that erasure
begins to occur when exposed to light with wavelengths shorter
than approximately 4000 Angstroms (Å). It should be noted that
sunlight and certain types of fluorescent lamps have wavelengths
in the 3000Å–4000Å range.
SYSTEM CONSIDERATION
The power switching characteristics of EPROMs require careful
decoupling of the devices. The supply current, ICC, has three
segments that are of interest to the system designer: the standby
current level, the active current level, and the transient current
peaks that are produced by voltage transitions on input pins. The
magnitude of these transient current peaks is dependent of the
output capacitance loading of the device. The associated VCC
transient voltage peaks can be suppressed by properly selected
decoupling capacitors. It is recommended that at least a 0.1 µF
ceramic capacitor be used on every device between VCC and
GND. This should be a high frequency capacitor of low inherent
inductance. In addition, at least a 4.7 µF bulk electrolytic capacitor
shouldbeusedbetweenVCC andGNDforeacheightdevices.The
bulk capacitor should be located near where the power supply is
connected to the array. The purpose of the bulk capacitor is to
overcome the voltage drop caused by the inductive effects of the
PC board traces.
The recommended erasure procedure for the EPROM is expo-
sure to short wave ultraviolet light which has a wavelength of
2537Å.Theintegrateddose(i.e.,UVintensityXexposuretime)for
erasure should be minimum of 15W-sec/cm2.
The EPROM should be placed within 1 inch of the lamp tubes
during erasure. Some lamps have a filter on their tubes which
should be removed before erasure.
Anerasuresystemshouldbecalibratedperiodically.Thedistance
fromlamptodeviceshouldbemaintainedatoneinch.Theerasure
time increase as the square of the distance from the lamp. (If
distance is doubled the erasure time increases by factor of 4.)
Lamps lose intensity as they age. When a lamp is changed, the
distance has changed, or the lamp has aged, the system should
Mode Selection
The modes of operation of the FM27C040 are listed in Table 1. A single 5V power supply is required in the read mode. All inputs are TTL
levels except for VPP and A9 for device signature.
TABLE 1. Modes Selection
Pins
CE/PGM
OE
VPP
VCC
Outputs
Mode
Read
VIL
VIL
X
5.0V
DOUT
(Note 15)
Output Disable
Standby
X
VIH
X
X
5.0V
5.0V
High Z
High Z
DIN
VIH
VIL
X
X
Programming
Program Verify
Program Inhibit
VIH
VIL
VIH
12.75V
12.75V
12.75V
6.25V
6.25V
6.25V
DOUT
VIH
High Z
Note 15: X can be VIL or VIH
TABLE 2. Manufacturer’s Identification Code
Pins
A0
A9
O7
O6
O5
O4
O3
O2
O1
O0
Hex
(12)
(26)
(21)
(20)
(19)
(18)
(17)
(15)
(14)
(13)
Data
Manufacturer Code
Device Code
VIL
12V
1
0
0
0
1
1
1
1
8F
VIH
12V
0
0
0
0
1
0
0
0
08
8
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FM27C040 Rev. A
Physical Dimensions inches (millimeters) unless otherwise noted
1.660 MAX
32
17
R 0.025
0.585
MAX
1
16
UV WINDOW SIZE AND
R 0.030-0.055
TYP
CONFIGURATION DETERMINED
BY DEVICE SIZE
0.050-0.060
TYP
0.590-0.620
0.10
MAX
0.005 MIN
TYP
Glass Sealant
0.175
MAX
0.225 MAX TYP
0.015 -0.060
TYP
0.125 MIN
TYP
90° - 100°
TYP
0.008-0.012
TYP
86°-94°
0.150 MIN
TYP
TYP
0.090-0.110
TYP
0.015-0.021
TYP
0.060-0.100
TYP
+0.025
-0.060
0.685
32-Lead EPROM Ceramic Dual-In-Line Package (Q)
Order Number FM27C040QXXX
Package Number J32AQ
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FM27C040 Rev. A
Physical Dimensions inches (millimeters) unless otherwise noted
0.485-0.495
[12.32-12.57]
-H-
Base
Plane
0.106-0.112
[2.69-2.84]
B
S
D-E
S
0.007[0.18]
0.449-0.453
[11.40-11.51]
0.023-0.029
[0.58-0.74]
0.015
[0.38]
Min Typ
-A-
B
0.045
[1.143]
D-E
S
0.007[0.18]
S
°
60
B
S
0.002[0.05]
0.000-0.010
[0.00-0.25]
Polished Optional
0.490-0530
[12.45-13.46]
0.400
[10.16]
-D-
(
)
1
30
4
0.541-0.545
[13.74-13-84]
S
C
D-E, F-G
S
0.015[0.38]
5
29
0.549-0.553
[13.94-14.05]
-G-
-B-
0.585-0.595
[14.86-15.11]
0.013-0.021
[0.33-0.53]
TYP
-F-
See detail A
-J-
C
D-E, F-G
S
0.007[0.18]
M
13
21
0.078-0.095
[1.98-2.41]
0.123-0.140
[3.12-3.56]
0.050
14
A
20
-E-
-C-
0.004[0.10]
0.002[0.05] S
0.007[0.18] S
0.005
[0.13]
Max
0.0100
[0.254]
A
F-G
S
0.020
[0.51]
A
F-G
S
0.007[0.18] S
0.118-0.129
[3.00-3.28]
0.045
[1.14]
0.030-0.040
[0.76-1.02]
B A D-E, F-G
B
0.025
[0.64]
S
0.010[0.25] L
R
Detail A
Typical
Rotated 90°
Min
0.042-0.048
[1.07-1.22]
45°X
0.025
[0.64]
0.021-0.027
[0.53-0.69]
Min
B
0.065-0.071
[1.65-1.80]
0.053-0.059
[1.65-1.80]
0.031-0.037
[0.79-0.94]
0.006-0.012
[0.15-0.30]
0.027-0.033
[0.69-0.84]
0.026-0.032
[0.66-0.81]
0.019-0.025
[0.48-0.64]
Typ
Section B-B
Typical
H
D-E, F-G
S
0.007[0.18] S
32-Lead PLCC Package (V)
Order Number FM27C040VXXX
Package Number VA32A
10
www.fairchildsemi.com
FM27C040 Rev. A
Physical Dimensions inches (millimeters) unless otherwise noted
1.64 – 1.66
(41.66 – 42.164)
32
17
0.062
TYP
(1.575)
RAD
0.490 – 0.550
(12.446 – 13.97)
1
16
Pin No. 1 IDENT
0.580
(14.73)
MIN
0.050
(1.270)
TYP
0.125 – 0.165
(3.175 – 4.191)
0.600 – 0.620
(15.240 – 15.748)
0.145 – 0.210
(3.683 – 5.334)
86°- 94°
TYP
0.015
(0.381)
90°–105°
0.008 - 0.015
(0.203 – 0.381)
0.120 – 0.150
(3.048 – 3.81)
0.040 - 0.090
(1.016 – 2.286)
0.018 0.003
(0.457 0.078)
0.100 0.010
(2.540 0.254)
0.035 – 0.07
(0.889 – 1.778)
32-Lead PDIP Package
Order Number FM27C040NXXX
Life Support Policy
Fairchild's products are not authorized for use as critical components in life support devices or systems without the express written
approval of the President of Fairchild Semiconductor Corporation. As used herein:
1. Life support devices or systems are devices or systems which,
(a)areintendedforsurgicalimplantintothebody,or(b)support
or sustain life, and whose failure to perform, when properly
used in accordance with instructions for use provided in the
labeling, can be reasonably expected to result in a significant
injury to the user.
2. A critical component is any component of a life support device
or system whose failure to perform can be reasonably ex-
pected to cause the failure of the life support device or system,
or to affect its safety or effectiveness.
Fairchild Semiconductor
Americas
Fairchild Semiconductor
Europe
Fairchild Semiconductor
Hong Kong
Fairchild Semiconductor
Japan Ltd.
Customer Response Center
Tel. 1-888-522-5372
Fax:
Tel:
Tel:
Tel:
Tel:
+44 (0) 1793-856858
8/F, Room 808, Empire Centre
68 Mody Road, Tsimshatsui East
Kowloon. Hong Kong
Tel; +852-2722-8338
Fax: +852-2722-8383
4F, Natsume Bldg.
Deutsch
English
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+49 (0) 8141-6102-0
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Tokyo, 113-0034 Japan
Tel: 81-3-3818-8840
Fax: 81-3-3818-8841
Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and Fairchild reserves the right at any time without notice to change said circuitry and specifications.
11
www.fairchildsemi.com
FM27C040 Rev. A
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