Fairchild FM27C512 524,288-bit (64k x 8) high performance cmos eprom Datasheet

FM27C512
524,288-Bit (64K x 8) High Performance CMOS EPROM
General Description
The FM27C512 is one member of a high density EPROM Family
which range in densities up to 4 Megabit.
The FM27C512 is a high performance 512K UV Erasable Electrically Programmable Read Only Memory (EPROM). It is manufactured using Fairchild’s proprietary CMOS AMG™ EPROM technology for an excellent combination of speed and economy while
providing excellent reliability.
Features
■ High performance CMOS
— 90 ns access time
■ Fast turn-off for microprocessor compatibility
The FM27C512 provides microprocessor-based systems storage
capacity for portions of operating system and application software. Its 90 ns access time provides no wait-state operation with
high-performance CPUs. The FM27C512 offers a single chip
solution for the code storage requirements of 100% firmwarebased equipment. Frequently-used software routines are quickly
executed from EPROM storage, greatly enhancing system utility.
■ Manufacturers identification code
■ JEDEC standard pin configuration
— 28-pin PDIP package
— 32-pin chip carrier
— 28-pin CERDIP package
The FM27C512 is configured in the standard JEDEC EPROM
pinout which provides an easy upgrade path for systems which are
currently using standard EPROMs.
Block Diagram
Data Outputs O0 - O7
VCC
GND
VPP
OE
CE/PGM
Output Enable and
Chip Enable Logic
Output
Buffers
..
Y Decoder
524,288-Bit
Cell Matrix
.......
A0 - A15
Address
Inputs
X Decoder
DS800035-1
AMG is a trademark of WSI, Inc.
© 1998 Fairchild Semiconductor Corporation
FM27C512
1
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FM27C512 524,288-Bit (64K x 8) High Performance CMOS EPROM
January 2000
27C040 27C010 27C256
A15
A15
VPP
A12
A12
A12
A7
A7
A7
A6
A6
A6
A5
A5
A5
A4
A4
A4
A3
A3
A3
A2
A2
A2
A1
A1
A1
A0
A0
A0
O0
O0
O0
O1
O1
O1
O2
O2
O2
GND
GND
GND
27C256 27C010 27C040
DIP
FM27C512
XX/VPP XX/VPP
A16
A16
A15
A12
A7
A6
A5
A4
A3
A2
A1
A0
O0
O1
O2
GND
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
VCC
VCC
A14
A13
A8
A9
A11
OE/VPP
A10
VCC
CE/PGM
O7
O6
O5
O4
O3
XX/PGM
XX
VCC
A18
A17
A14
A13
A14
A14
A13
A13
A8
A9
A8
A9
A8
A9
A11
A11
A11
OE
A10
OE
A10
OE
A10
CE/PGM
CE
CE/PGM
O7
O6
O7
O6
O7
O6
O5
O5
O5
O4
O3
O4
O3
O4
O3
DS800035-2
Compatible EPROM pin configurations are shown in the blocks adjacement to the FM27C512 pins.
Commercial Temp Range (0°C to +70°C)
Pin Names
Access Time (ns)
A0–A15
Addresses
FM27C512 Q, N, V 90
90
CE/PGM
Chip Enable/Program
FM27C512 Q, N, V 120
120
OE
FM27C512 Q, N, V 150
150
O0–O7
Parameter/Order Number
Output Enable
Outputs
NC
Don’t Care (During Read)
Industrial Temp Range (-40°C to +85°C)
PLCC
Access Time (ns)
FM27C512 QE, NE, VE 120
120
FM27C512 QE, NE, VE 150
150
A7
A12
A15
NC
VCC
A14
A13
Parameter/Order Number
4
A6
A5
A4
A3
A2
A1
A0
NC
O0
Q = Quartz-Windowed Ceramic DIP Package
N = Plastic DIP Package
V = PLCC Package
• All packages conform to the JEDEC standard.
• All versions are guaranteed to function for slower speeds.
3
2
1 32 31 30
29
28
27
26
25
24
23
22
21
5
6
7
8
9
10
11
12
13
A8
A9
A11
NC
OE/VPP
A10
CE/PGM
O7
O8
O1
O2
GND
NC
O3
O4
O5
14 15 16 17 18 19 20
DS800035-3
2
FM27C512
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FM27C512 524,288-Bit (64K x 8) High Performance CMOS EPROM
Connection Diagrams
Storage Temperature
ESD Protection
(MIL Std. 883, Method 3015.2)
>2000V
-65°C to +150°C
All Input Voltages Except A9 with
Respect to Ground
VPP and A9 with Respect to Ground
All Output Voltages with
Respect to Ground
Operating Range
-0.7V to +14V
Range
VCC Supply Voltage with
Respect to Ground
VCC + 1.0V to GND -0.6V
-0.6V to +7V
-0.6V to +7V
Temperature
VCC
Tolerance
Commercial
0°C to +70°C
+5V
±10%
Industrial
-40°C to +85°C
+5V
±10%
Read Operation
DC Electrical Characteristics
Symbol
Parameter
Test Conditions
Min
Max
Units
VIL
Input Low Level
-0.5
0.8
V
VIH
Input High Level
2.0
VCC +1
V
VOL
Output Low Voltage
0.4
V
VOH
Output High Voltage
IOH = -2.5 mA
ISB1
VCC Standby Current (CMOS)
CE = VCC ±0.3V
100
µA
ISB2
VCC Standby Current
CE = VIH
1
mA
ICC1
VCC Active Current
CE = OE = VIL
40
mA
ICC2
VCC Active Current
CMOS Inputs
CE = GND, f = 5 MHz
Inputs = VCC or GND, I/O = 0 mA
C, E Temp Ranges
35
mA
IPP
VPP Supply Current
VPP = VCC
10
µA
VPP
VPP Read Voltage
VCC - 0.7
VCC
V
ILI
Input Load Current
VIN = 5.5V or GND
-1
1
µA
ILO
Output Leakage Current
VOUT = 5.5V or GND
-10
10
µA
IOL = 2.1 mA
3.5
V
f = 5 MHz
AC Electrical Characteristics
Symbol
Parameter
90
Min
Min
120
Max
150
Min
Units
Max
tACC
Address to Output Delay
90
120
150
tCE
CE to Output Delay
90
120
150
tOE
OE to Output Delay
40
50
50
tDF
Output Disable to
Output Float
35
25
45
tOH
Output Hold from Addresses, CE or OE,
Whichever Occurred First
0
3
FM27C512
Max
0
ns
0
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FM27C512 524,288-Bit (64K x 8) High Performance CMOS EPROM
Absolute Maximum Ratings (Note 1)
FM27C512 524,288-Bit (64K x 8) High Performance CMOS EPROM
Capacitance TA = +25°C, f = 1 MHz (Note 2)
Symbol
Parameter
Conditions
Typ
Max
Units
CIN1
Input Capacitance
except OE/VPP
VIN = 0V
6
12
pF
COUT
Output Capacitance
VOUT = 0V
9
12
pF
CIN2
OE/VPP Input
Capacitance
VIN = 0V
20
25
pF
AC Test Conditions
Output Load
1 TTL Gate and CL = 100 pF (Note 8)
≤5 ns
Input Rise and Fall Times
Input Pulse Levels
0.45V to 2.4V
Timing Measurement Reference Level (Note 9)
Inputs
Outputs
0.8V and 2V
0.8V and 2V
AC Waveforms (Notes 6, 7)
ADDRESS
2V
0.8V
CE
2V
0.8V
Address Valid
t CF
(Note 4, 5)
OE
OUTPUT
t CE
2V
0.8V
2V
t OE
t DF
(Note 3)
(Note 4, 5)
Hi-Z
0.8V
Hi-Z
Valid Output
t ACC
t OH
(Note 3)
DS800035-4
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: Inputs and outputs can undershoot to -2.0V for 20 ns Max.
4
FM27C512
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Symbol
Parameter
Conditions
Min
Typ
Max
Units
tAS
Address Setup Time
1
µs
tOES
OE Setup Time
1
µs
tDS
Data Setup Time
1
µs
tVCS
VCC Setup Time
1
µs
tAH
Address Hold Time
0
µs
tDH
Data Hold Time
1
µs
tCF
Chip Enable to Output Float Delay
tPW
Program Pulse Width
OE = VIL
45
0
tOEH
OE Hold Time
1
tDV
Data Valid from CE
tPRT
OE Pulse Rise Time
during Programming
50
ns
tVR
VPP Recovery Time
1
µs
IPP
VPP Supply Current during
Programming Pulse
ICC
VCC Supply Current
TR
Temperature Ambient
20
VCC
Power Supply Voltage
VPP
Programming Supply Voltage
50
60
ns
105
µs
µs
OE = VIL
250
CE = VIL
OE = VPP
ns
30
mA
50
mA
25
30
°C
6.25
6.5
6.75
V
12.5
12.75
13
V
0
0.45
tFR
Input Rise, Fall Time
VIL
Input Low Voltage
VIH
Input High Voltage
2.4
tIN
Input Timing Reference Voltage
0.8
2
V
Output Timing Reference Voltage
0.8
2
V
tOUT
5
ns
4
V
V
Programming Waveforms
Program
Addresses
2.0V
0.8V
Program Verify
Address N
t AS
2.0V
Data
t DS
OE/VPP
Hi-Z
Data In Stable
ADD N
0.8V
2.0V
t DH
0.8V
Data Out Valid
ADD N
t DV
t CF
12.75V
0.8V
tPRT
t AH
t OES
t PW
t OEH
t VR
t VPS
CE/PGM
t VCS
VCC
6.25V
DS800035-5
Note 10: Fairchild’s standard product warranty applies to devices programmed to specifications described herein.
Note 11: 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 12: 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 VCC to GND to suppress spurious voltage transients which
may damage the device.
5
FM27C512
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FM27C512 524,288-Bit (64K x 8) High Performance CMOS EPROM
Programming Characteristics (Note 10) and (Note 11)
FM27C512 524,288-Bit (64K x 8) High Performance CMOS EPROM
Turbo Programming Algorithm Flow Chart
VCC = 6.5V VPP = 12.75V
n=0
ADDRESS = FIRST LOCATION
PROGRAM ONE 50µs PULSE
INCREMENT n
NO
DEVICE
FAILED
YES
n = 10?
FAIL
VERIFY
BYTE
PASS
LAST
ADDRESS
?
NO
INCREMENT
ADDRESS
n=0
YES
ADDRESS = FIRST LOCATION
VERIFY
BYTE
FAIL
PASS
INCREMENT
ADDRESS
NO
PROGRAM ONE
50 µs
PULSE
LAST
ADDRESS
?
YES
CHECK ALL BYTES
1ST: VCC = VPP = 6.0V
2ND: VCC = VPP = 4.3V
Note:
The standard National Semiconductor algorithm may also be used but it will take longer programming time.
DS800035-6
FIGURE 1.
6
FM27C512
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The EPROM is in the programming mode when the OE/VPP is at
12.75V. It is required that at least a 0.1 µF capacitor be placed
across 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.
DEVICE OPERATION
The six modes of operation of the EPROM are listed in Table1. It
should be noted that all inputs for the six modes are at TTL levels.
The power supplies required are VCC and OE/VPP. The OE/VPP
power supply must be at 12.75V during the three programming
modes, and must be at 5V in the other three modes. The VCC
power supply must be at 6.5V during the three programming
modes, and at 5V in the other three modes.
When the address and data are stable, an active low, TTL program
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 memory cells will program with a single 50 µs pulse.
(The standard 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/VPP) 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 has been low and addresses have been stable for at least
tACC – tOE.
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 programming
requirements. Like inputs of the parallel EPROM may be connected together when they are programmed with the same data.
A low level TTL pulse applied to the CE/PGM input programs the
paralleled EPROM.
Standby Mode
The EPROM has a standby mode which reduces the active power
dissipation by over 99%, from 220 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 inputs
(including OE/VPP) of the parallel EPROMs may be common. A
TTL low level program pulse applied to an EPROM’s CE/PGM
input with OE/VPP at 12.75V will program that EPROM. A TTL high
level CE/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 (TRISTATE).
Program Verify
Output OR-Typing
A verify should be performed on the programmed bits to determine
whether they were correctly programmed. The verify is accomplished with OE/VPP and CE at VIL. Data should be verified TDV
after the falling edge of CE.
Because the EPROM is usually used in larger memory arrays,
Fairchild has provided a 2-line control function that accommodates this use of multiple memory connections. The 2-line control
function allows for:
AFTER PROGRAMMING
1. the lowest possible memory power dissipation, and
Opaque labels should be placed over the EPROM window to
prevent unintentional erasure. Covering the window will also
prevent temporary functional failure due to the generation of photo
currents.
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 selecting function, while OE/VPP be made a common connection to all
devices in the array and connected to the READ line from the
system control bus.
MANUFACTURER’S IDENTIFICATION CODE
The EPROM has a manufacturer’s identification code to aid in
programming. When the device is inserted in an EPROM programmer 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.
This assures that all deselected memory devices are in their low
power standby modes and that the output pins are active only
when data is desired from a particular memory device.
Programming
The Manufacturer’s Identification code, shown in Table 2, specifically identifies the manufacturer and device type. The code for
FM27C512 is “8F85”, where “8F” designates that it is made by
Fairchild Semiconductor, and “85” designates a 512K part.
CAUTION: Exceeding 14V on pin 22 (OE/VPP) will damage the
EPROM.
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 programmed, 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–A16, and all control pins
7
FM27C512
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FM27C512 524,288-Bit (64K x 8) High Performance CMOS EPROM
Functional Description
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 –O 7 . Proper code access is only guaranteed
at 25°C ±5°C.
Lamps lose intensity as they age. When a lamp is changed, the
distance has changed, or the lamp has aged, the system should
be checked to make certain full erasure is occurring. Incomplete
erasure will cause symptoms that can be misleading. Programmers, components, and even system designs have been erroneously suspected when incomplete erasure was the problem.
ERASURE CHARACTERISTICS
SYSTEM CONSIDERATION
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.
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 on 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
should be used between VCC and GND for each eight devices. 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 exposure to short wave ultraviolet light which has a wavelength of
2537Å. The integrated dose (i.e., UV intensity x exposure time) 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
An erasure system should be calibrated periodically. The distance
from lamp to device should be maintained at one inch. The erasure
time increases as the square of the distance from the lamp (if
distance is doubled the erasure time increases by factor of 4).
Mode Selection
The modes of operation of the FM27C512 are listed in Table 1. A single 5V power supply is required in the read mode. All inputs are TTL
levels excepts for VPP and A9 for device signature.
TABLE 1. Mode Selection
Pins
CE/PGM
OE/VPP
VCC
Outputs
VIL
VIL
5.0V
DOUT
X (Note 13)
VIH
5.0V
High Z
Standby
VIH
X
5.0V
High Z
Programming
VIL
12.75V
6.25V
DIN
Program Verify
VIL
VIL
6.25V
DOUT
Program Inhibit
VIH
12.75V
6.25V
High Z
Mode
Read
Output Disable
Note 13: X can be VIL or VIH.
TABLE 2. Manufacturer’s Identification Code
Pins
A0
(10)
A9
(24)
07
(19)
06
(18)
05
(17)
04
(16)
03
(15)
02
(13)
01
(12)
00
(11)
Hex
Data
Manufacturer Code
VIL
12V
1
0
0
0
1
1
1
1
8F
Device Code
VIH
12V
1
0
0
0
0
1
0
1
85
8
FM27C512
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FM27C512 524,288-Bit (64K x 8) High Performance CMOS EPROM
Functional Description (Continued)
FM27C512 524,288-Bit (64K x 8) High Performance CMOS EPROM
Physical Dimensions inches (millimeters) unless otherwise noted
1.465 MAX
[37.211]
28
15
R 0.025
[0.635]
0.515-0.530
[13.081-13.462]
R 0.030-0.055
[0.762-1.397]
TYP
1
14
0.290-0.310
[7.366-7.874]
U.V. WINDOW
0.050-0.060
[1.270-1.524]
TYP
0.010 [0.254]
MAX
GLASS
SEALANT
0.590-0.620
[14.99-15.75]
0.180 [4.572]
MAX
0.225 [5.715]
MAX TYP
0.125 [3.175]
MIN TYP
0.060-0.100
[1.524-2.540]
TYP
0.090-0.110
[2.286-2.794]
TYP
86°-94°
TYP
0.015-0.021
[0.381-0.533]
TYP
0.033-0.045
[0.838-1.143]
TYP
0.015-0.060
[0.381-1.524]
TYP
90°-100°
TYP 0.008-0.012
[0.203-0.305]
TYP
+0.025
0.685 -0.060
+0.635
[17.399 -1.524 ]
UV Window Cavity Dual-In-Line Cerdip Package (JQ)
Order Number FM27C512Q
Package Number J28CQ
28 27 26 25 24 23 22 21 20 19 18 17 16 15
0.030
Max
(0.762)
0.600 - 0.620
(15.24 - 15.75)
0.062 RAD
(1.575)
0.510 ±0.005
(12.95 ±0.127)
95° ±5°
0.008-0.015
(0.229-0.381)
0.580
(14.73)
Pin #1
IDENT
1 2 3 4 5 6 7 8 9 10 11 12 13 14
1.393 - 1.420
(35.38 - 36.07)
+0.025
0.625 -0.015
(15.88 +0.635
(
-0.381
0.050
(1.270)
Typ
0.053 - 0.069
(1.346 - 1.753)
0.125-0.165
(3.175-4.191)
0.108 ±0.010
(2.540 ±0.254)
0.050 ±0.015
(1.270 ±0.381)
88° 94°
Typ
0.20 Min
(0.508)
0.125-0.145
(3.175-3.583)
0.018 ±0.003
(0.457 ±0.076)
28-Lead Plastic One-Time-Programmable Dual-In-Line
Order Number FM27C512N
Package Number N28B
9
FM27C512
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FM27C512 524,288-Bit (64K x 8) High Performance CMOS EPROM
Physical Dimensions inches (millimeters) unless otherwise noted
0.485-0.495
[12.32-12.57]
0.106-0.112
[2.69-2.84]
0.007[0.18] S B D-E S
0.449-0.453
[11.40-11.51]
-H-
Base
Plane
0.023-0.029
[0.58-0.74]
0.015
[0.38] Min Typ
-A0.045
[1.143]
60
°
0.007[0.18] S B D-E S
0.002[0.05] S B
0.000-0.010
[0.00-0.25]
Polished Optional
1
0.490-0530
[12.45-13.46]
0.400
-D4
( [10.16] )
30
0.541-0.545
[13.74-13-84]
29
5
0.549-0.553
[13.94-14.05]
0.015[0.38] S
C
D-E, F-G S
-G-
-B0.585-0.595
[14.86-15.11]
0.013-0.021
TYP
[0.33-0.53]
-FSee detail A
-J13
14
20
-E-
0.002[0.05] S A
0.007[0.18] S
0.007[0.18] S
A F-G S
A F-G S
0.118-0.129
[3.00-3.28]
0.010[0.25] L
0.007[0.18] M
21
B A D-E, F-G S
B
0.042-0.048
45°X [1.07-1.22]
0.123-0.140
[3.12-3.56]
0.050
;;
0.025
[0.64]
Min
B
0.007[0.18] S
0.019-0.025
[0.48-0.64]
H D-E, F-G S
D-E, F-G S
-C0.004[0.10]
0.020
[0.51]
0.005 Max
[0.13]
0.0100
[0.254]
0.045
[1.14]
0.025
[0.64] Min
Detail A
Typical
Rotated 90°
0.021-0.027
[0.53-0.69]
R
0.030-0.040
[0.76-1.02]
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]
0.026-0.032
Typ
[0.66-0.81]
C
0.078-0.095
[1.98-2.41]
0.027-0.033
[0.69-0.84]
Section B-B
Typical
32-Lead Plastic Leaded Chip Carrier (PLCC)
Order Number FM27C512V
Package Number VA32A
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10
FM27C512
www.fairchildsemi.com