STMICROELECTRONICS M27W800

M27W800
8 Mbit (1Mb x 8 or 512Kb x 16)
Low Voltage UV EPROM and OTP EPROM
■
2.7V to 3.6V LOW VOLTAGE in READ
OPERATION
■
ACCESS TIME:
– 90ns at VCC = 3.0V to 3.6V
– 100ns at VCC = 2.7V to 3.6V
■
BYTE-WIDE or WORD-WIDE
CONFIGURABLE
■
8 Mbit MASK ROM REPLACEMENT
■
LOW POWER CONSUMPTION
42
42
1
1
FDIP42W (F)
PDIP42 (B)
– Active Current 30mA at 8MHz
– Standby Current 15µA
■
PROGRAMMING VOLTAGE: 12.5V ± 0.25V
■
PROGRAMMING TIME: 50µs/word
■
ELECTRONIC SIGNATURE
PLCC44 (K)
– Manufacturer Code: 20h
– Device Code: B2h
DESCRIPTION
The M27W800 is a low voltage 8 Mbit EPROM offered in the two ranges UV (ultra violet erase) and
OTP (one time programmable). It is ideally suited
for microprocessor systems requiring large data or
program storage. It is organised as either 1 Mbit
words of 8 bit or 512 Kbit words of 16 bit. The pinout is compatible with a 8 Mbit Mask ROM.
The M27W800 operates in the read mode with a
supply voltage as low as 2.7V. The decrease in
operating power allows either a reduction of the
size of the battery or an increase in the time between battery recharges.
The FDIP42W (window ceramic frit-seal package)
has a transparent lid which allows the user to expose the chip to ultraviolet light to erase the bit pattern. A new pattern can then be written rapidly to
the device by following the programming procedure.
For applications where the content is programmed
only one time and erasure is not required, the
M27W800 is offered in PDIP42 and PLCC44 package.
March 2000
Figure 1. Logic Diagram
VCC
19
Q15A–1
A0-A18
15
Q0-Q14
E
M27W800
G
BYTEVPP
VSS
AI03601
1/15
M27W800
1
42
2
41
3
40
4
39
5
38
6
37
7
36
35
8
9
34
10
33
M27W800
32
11
31
12
30
13
29
14
28
15
27
16
17
26
18
25
19
24
20
23
22
21
NC
A8
A9
A10
A11
A12
A13
A14
A15
A16
BYTEVPP
VSS
Q15A-1
Q7
Q14
Q6
Q13
Q5
Q12
Q4
VCC
A5
A6
A7
A17
A18
VSS
NC
A8
A9
A10
A11
A18
A17
A7
A6
A5
A4
A3
A2
A1
A0
E
VSS
G
Q0
Q8
Q1
Q9
Q2
Q10
Q3
Q11
Figure 2B. LCC Connections
1 44
A4
A3
A2
A1
A0
E
12
M27W800
34
VSS
G
Q0
Q8
Q1
A12
A13
A14
A15
A16
BYTEVPP
VSS
Q15A–1
Q7
Q14
Q6
23
Q9
Q2
Q10
Q3
Q11
NC
VCC
Q4
Q12
Q5
Q13
Figure 2A. DIP Connections
AI03603
AI03602
Table 1. Signal Names
A0-A18
Address Inputs
Q0-Q7
Data Outputs
Q8-Q14
Data Outputs
Q15A–1
Data Output / Address Input
E
Chip Enable
G
Output Enable
BYTEVPP
Byte Mode / Program Supply
VCC
Supply Voltage
VSS
Ground
NC
Not Connected Internally
DEVICE OPERATION
The operating modes of the M27W800 are listed in
the Operating Modes Table. A single power supply
is required in the read mode. All inputs are TTL
compatible except for V PP and 12V on A9 for the
Electronic Signature.
2/15
Read Mode
The M27W800 has two organisations, Word-wide
and Byte-wide. The organisation is selected by the
signal level on the BYTEVPP pin. When BYTEVPP
is at VIH the Word-wide organisation is selected
and the Q15A–1 pin is used for Q15 Data Output.
When the BYTEVPP pin is at V IL the Byte-wide organisation is selected and the Q15A–1 pin is used
for the Address Input A–1. When the memory is
logically regarded as 16 bit wide, but read in the
Byte-wide organisation, then with A–1 at VIL the
lower 8 bits of the 16 bit data are selected and with
A–1 at VIH the upper 8 bits of the 16 bit data are
selected.
The M27W800 has two control functions, both of
which must be logically active in order to obtain
data at the outputs. In addition the Word-wide or
Byte-wide organisation must be selected.
Chip Enable (E) is the power control and should be
used for device selection. Output Enable (G) is the
output control and should be used to gate data to
the output pins independent of device selection.
Assuming that the addresses are stable, the address access time (tAVQV) is equal to the delay
from E to output (tELQV). Data is available at the
output after a delay of t GLQV from the falling edge
of G, assuming that E has been low and the addresses have been stable for at least tAVQV-tGLQV.
M27W800
Table 2. Absolute Maximum Ratings (1)
Symbol
Value
Unit
Ambient Operating Temperature (3)
–40 to 125
°C
TBIAS
Temperature Under Bias
–50 to 125
°C
TSTG
Storage Temperature
–65 to 150
°C
VIO (2)
Input or Output Voltage (except A9)
–2 to 7
V
Supply Voltage
–2 to 7
V
–2 to 13.5
V
–2 to 14
V
TA
VCC
VA9 (2)
Parameter
A9 Voltage
VPP
Program Supply Voltage
Note: 1. Except for the rating "Operating Temperature Range", stresses above those listed in the Table "Absolute Maximum Ratings" may
cause permanent damage to the device. These are stress ratings only and operation of the device at these or any other conditions
above those indicated in the Operating sections of this specification is not implied. Exposure to Absolute Maximum Rating conditions for extended periods may affect device reliability. Refer also to the STMicroelectronics SURE Program and other relevant quality documents.
2. Minimum DC voltage on Input or Output is –0.5V with possible undershoot to –2.0V for a period less than 20ns. Maximum DC
voltage on Output is V CC +0.5V with possible overshoot to VCC +2V for a period less than 20ns.
3. Depends on range.
Table 3. Operating Modes
E
G
BYTEVPP
A9
Q15A–1
Q14-Q8
Q7-Q0
Read Word-wide
VIL
VIL
VIH
X
Data Out
Data Out
Data Out
Read Byte-wide Upper
VIL
VIL
VIL
X
VIH
Hi-Z
Data Out
Read Byte-wide Lower
VIL
VIL
VIL
X
VIL
Hi-Z
Data Out
Output Disable
VIL
VIH
X
X
Hi-Z
Hi-Z
Hi-Z
VIL Pulse
VIH
VPP
X
Data In
Data In
Data In
Verify
VIH
VIL
VPP
X
Data Out
Data Out
Data Out
Program Inhibit
VIH
VIH
VPP
X
Hi-Z
Hi-Z
Hi-Z
Standby
VIH
X
X
X
Hi-Z
Hi-Z
Hi-Z
Electronic Signature
VIL
VIL
VIH
VID
Code
Codes
Codes
Mode
Program
Note: X = VIH or VIL, V ID = 12V ± 0.5V.
Table 4. Electronic Signature
A0
Q15
and
Q7
Q14
and
Q6
Q13
and
Q5
Q12
and
Q4
Q11
and
Q3
Q10
and
Q2
Q9
and
Q1
Q8
and
Q0
Hex Data
Manufacturer’s Code
VIL
0
0
1
0
0
0
0
0
20h
Device Code
VIH
1
0
1
1
0
0
1
0
B2h
Identifier
3/15
M27W800
Table 5. AC Measurement Conditions
High Speed
Standard
Input Rise and Fall Times
≤ 10ns
≤ 20ns
Input Pulse Voltages
0 to 3V
0.4V to 2.4V
1.5V
0.8V and 2V
Input and Output Timing Ref. Voltages
Figure 3. AC Testing Input Output Waveform
Figure 4. AC Testing Load Circuit
1.3V
High Speed
1N914
3V
1.5V
3.3kΩ
0V
DEVICE
UNDER
TEST
Standard
2.4V
OUT
CL
2.0V
0.8V
0.4V
AI01822
CL = 30pF for High Speed
CL = 100pF for Standard
CL includes JIG capacitance
AI01823B
Table 6. Capacitance (1) (TA = 25 °C, f = 1 MHz)
Symbol
CIN
COUT
Parameter
Min
Max
Unit
Input Capacitance (except BYTEVPP)
VIN = 0V
10
pF
Input Capacitance (BYTEVPP)
VIN = 0V
120
pF
VOUT = 0V
12
pF
Output Capacitance
Note: 1. Sampled only, not 100% tested.
4/15
Test Condition
M27W800
Table 7. Read Mode DC Characteristics (1)
(TA = –40 to 85 °C; VCC = 2.7 to 3.6V; VPP = VCC)
Symbol
Parameter
ILI
Input Leakage Current
ILO
Output Leakage Current
ICC
Test Condition
Min
Max
Unit
0V ≤ VIN ≤ VCC
±1
µA
0V ≤ VOUT ≤ VCC
±10
µA
E = VIL, G = VIL, IOUT = 0mA,
f = 8MHz, VCC ≤ 3.6V
30
mA
E = VIL, G = VIL, IOUT = 0mA,
f = 5MHz, VCC ≤ 3.6V
20
mA
E = VIH
1
mA
E > VCC – 0.2V, VCC ≤ 3.6V
15
µA
VPP = VCC
10
µA
Supply Current
ICC1
Supply Current (Standby) TTL
ICC2
Supply Current (Standby) CMOS
IPP
Program Current
VIL
Input Low Voltage
–0.6
0.2VCC
V
VIH (2)
Input High Voltage
0.7VCC
VCC + 0.5
V
VOL
Output Low Voltage
0.4
V
VOH
Output High Voltage TTL
IOL = 2.1mA
IOH = –400µA
2.4
V
Note: 1. VCC must be applied simultaneously with or before VPP and removed simultaneously or after V PP.
2. Maximum DC voltage on Output is VCC +0.5V.
Standby Mode
The M27W800 has a standby mode which reduces the supply current from 20mA to 20µA with low
voltage operation VCC ≤ 3.6V, see Read Mode DC
Characteristics table for details.The M27W800 is
placed in the standby mode by applying a CMOS
high signal to the E input. When in the standby
mode, the outputs are in a high impedance state,
independent of the G input.
Two Line Output Control
Because EPROMs are usually used in larger
memory arrays, this product features a 2 line control function which accommodates the use of multiple memory connection. The two line control
function allows:
a. the lowest possible memory power dissipation,
b. complete assurance that output bus contention
will not occur.
For the most efficient use of these two control
lines, E should be decoded and used as the primary device selecting function, while G should be
made a common connection to all devices in the
array and connected to the READ line from the
system control bus. This ensures that all deselected memory devices are in their low power standby
mode and that the output pins are only active
when data is required from a particular memory
device.
System Considerations
The power switching characteristics of Advanced
CMOS EPROMs require careful decoupling of the
supplies to the devices. The supply current ICC
has three segments of importance to the system
designer: the standby current, the active current
and the transient peaks that are produced by the
falling and rising edges of E. The magnitude of the
transient current peaks is dependent on the capacitive and inductive loading of the device outputs. The associated transient voltage peaks can
be suppressed by complying with the two line output control and by properly selected decoupling
capacitors. It is recommended that a 0.1µF ceramic capacitor is used on every device between V CC
and VSS. This should be a high frequency type of
low inherent inductance and should be placed as
close as possible to the device. In addition, a
4.7µF electrolytic capacitor should be used between V CC and VSS for every eight devices. This
capacitor should be mounted near the power supply connection point. The purpose of this capacitor
is to overcome the voltage drop caused by the inductive effects of PCB traces.
5/15
M27W800
Table 8. Read Mode AC Characteristics (1)
(TA = –40 to 85 °C; VCC = 2.7 to 3.6V; V PP = VCC)
M27W800
-100 (3)
Symbol
Alt
Parameter
Test Condition
-120
VCC = 3.0 to
3.6V
VCC = 2.7 to
3.6V
VCC = 2.7 to
3.6V
Min
Min
Min
Max
Max
Unit
Max
Address Valid to
Output Valid
E = VIL, G = VIL
90
100
120
ns
tST
BYTE High to Output
Valid
E = VIL, G = VIL
90
100
120
ns
tELQV
tCE
Chip Enable Low to
Output Valid
G = VIL
90
100
120
ns
tGLQV
tOE
Output Enable Low to
Output Valid
E = VIL
45
50
60
ns
tBLQZ (2)
tSTD
BYTE Low to Output
Hi-Z
E = VIL, G = VIL
45
45
50
ns
tEHQZ (2)
tDF
Chip Enable High to
Output Hi-Z
G = VIL
0
45
0
45
0
50
ns
tGHQZ (2)
tDF
Output Enable High to
Output Hi-Z
E = VIL
0
45
0
45
0
50
ns
tAXQX
tOH
Address Transition to
Output Transition
E = VIL, G = VIL
5
5
5
ns
tBLQX
tOH
BYTE Low to Output
Transition
E = VIL, G = VIL
5
5
5
ns
tAVQV
tACC
tBHQV
Note: 1. VCC must be applied simultaneously with or before VPP and removed simultaneously or after V PP
2. Sampled only, not 100% tested.
3. Speed obtained with High Speed measurement conditions.
Figure 5. Word-Wide Read Mode AC Waveforms
A0-A18
VALID
tAVQV
VALID
tAXQX
E
tGLQV
tEHQZ
G
tELQV
Q0-Q15
tGHQZ
Hi-Z
AI01596B
Note: BYTEVPP = VIH.
6/15
M27W800
Figure 6. Byte-Wide Read Mode AC Waveforms
VALID
A–1,A0-A18
VALID
tAVQV
tAXQX
E
tEHQZ
tGLQV
G
tGHQZ
tELQV
Hi-Z
Q0-Q7
AI01597B
Note: BYTEVPP = VIL.
Figure 7. BYTE Transition AC Waveforms
VALID
A0-A18
VALID
A–1
tAVQV
tAXQX
BYTEVPP
tBHQV
DATA OUT
Q0-Q7
tBLQX
Hi-Z
DATA OUT
Q8-Q15
tBLQZ
AI01598C
Note: Chip Enable (E) and Output Enable (G) = VIL.
7/15
M27W800
Table 9. Programming Mode DC Characteristics (1)
(TA = 25 °C; VCC = 6.25V ± 0.25V; VPP = 12.5V ± 0.25V)
Symbol
Parameter
Test Condition
Min
0 ≤ VIN ≤ VCC
Max
Unit
±1
µA
50
mA
50
mA
ILI
Input Leakage Current
ICC
Supply Current
IPP
Program Current
VIL
Input Low Voltage
–0.3
0.8
V
VIH
Input High Voltage
2.4
VCC + 0.5
V
VOL
Output Low Voltage
0.4
V
VOH
Output High Voltage TTL
VID
A9 Voltage
E = VIL
IOL = 2.1mA
IOH = –2.5mA
3.5
V
11.5
12.5
V
Note: 1. VCC must be applied simultaneously with or before VPP and removed simultaneously or after V PP.
Table 10. Programming Mode AC Characteristics (1)
TA = 25 °C; VCC = 6.25V ± 0.25V; VPP = 12.5V ± 0.25V)
Symbol
Alt
Parameter
Test Condition
Min
Max
tAVEL
tAS
Address Valid to Chip Enable Low
2
µs
tQVEL
tDS
Input Valid to Chip Enable Low
2
µs
tVPHAV
tVPS
VPP High to Address Valid
2
µs
tVCHAV
tVCS
VCC High to Address Valid
2
µs
tELEH
tPW
Chip Enable Program Pulse Width
45
tEHQX
tDH
Chip Enable High to Input Transition
2
µs
tQXGL
tOES
Input Transition to Output Enable Low
2
µs
tGLQV
tOE
Output Enable Low to Output Valid
tGHQZ (2)
tDFP
Output Enable High to Output Hi-Z
0
tGHAX
tAH
Output Enable High to Address
Transition
0
55
Unit
µs
120
ns
130
ns
ns
Note: 1. VCC must be applied simultaneously with or before VPP and removed simultaneously or after V PP.
2. Sampled only, not 100% tested.
Programming
The M27W800 has been designed to be fully compatible with the M27C800 and has the same electronic signature. As a result the M27W800 can be
programmed as the M27C800 on the same programming equipments applying 12.75V on VPP
and 6.25V on VCC by the use of the same PRESTO III algorithm. When delivered (and after each
erasure for UV EPROM), all bits of the M27W800
are in the ’1’ state. Data is introduced by selective-
8/15
ly programming ’0’s into the desired bit locations.
Although only ’0’s will be programmed, both ’1’s
and ’0’s can be present in the data word. The only
way to change a ’0’ to a ’1’ is by die exposure to ultraviolet light (UV EPROM). The M27W800 is in
the programming mode when VPP input is at
12.5V, G is at VIH and E is pulsed to V IL. The data
to be programmed is applied to 16 bits in parallel
to the data output pins. The levels required for the
address and data inputs are TTL. V CC is specified
to be 6.25V ± 0.25V.
M27W800
Figure 8. Programming and Verify Modes AC Waveforms
A0-A18
VALID
tAVEL
Q0-Q15
DATA IN
DATA OUT
tQVEL
tEHQX
BYTEVPP
tVPHAV
tGLQV
tGHQZ
VCC
tVCHAV
tGHAX
E
tELEH
tQXGL
G
PROGRAM
VERIFY
AI01599
Figure 9. Programming Flowchart
VCC = 6.25V, VPP = 12.5V
n=0
E = 50µs Pulse
NO
++n
= 25
YES
FAIL
NO
++ Addr
VERIFY
YES
Last
Addr
NO
YES
CHECK ALL WORDS
BYTEVPP =VIH
1st: VCC = 5V
2nd: VCC = 2.7V
AI03600
PRESTO III Programming Algorithm
The PRESTO III Programming Algorithm allows
the whole array to be programed with a guaranteed margin in a typical time of 26 seconds. Programming with PRESTO III consists of applying a
sequence of 50µs program pulses to each word
until a correct verify occurs (see Figure 9). During
programing and verify operation a MARGIN
MODE circuit is automatically activated to guarantee that each cell is programed with enough margin. No overprogram pulse is applied since the
verify in MARGIN MODE at VCC much higher than
3.6V provides the necessary margin to each programmed cell.
Program Inhibit
Programming of multiple M27W800s in parallel
with different data is also easily accomplished. Except for E, all like inputs including G of the parallel
M27W800 may be common. A TTL low level pulse
applied to a M27W800's E input and VPP at 12.5V,
will program that M27W800. A high level E input
inhibits the other M27W800s from being programmed.
Program Verify
A verify (read) should be performed on the programmed bits to determine that they were correctly programmed. The verify is accomplished with E
at V IH and G at VIL, V PP at 12.5V and VCC at
6.25V.
9/15
M27W800
On-Board Programming
The M27W800 can be directly programmed in the
application circuit. See the relevant Application
Note AN620.
Electronic Signature
The Electronic Signature (ES) mode allows the
reading out of a binary code from an EPROM that
will identify its manufacturer and type. This mode
is intended for use by programming equipment to
automatically match the device to be programmed
with its corresponding programming algorithm.
The ES mode is functional in the 25°C ± 5°C ambient temperature range that is required when programming the M27W800. To activate the ES
mode, the programming equipment must force
11.5V to 12.5V on address line A9 of the
M27W800, with VPP = VCC = 5V. Two identifier
bytes may then be sequenced from the device outputs by toggling address line A0 from VIL to VIH. All
other address lines must be held at V IL during
Electronic Signature mode.
Byte 0 (A0 = VIL) represents the manufacturer
code and byte 1 (A0 = VIH) the device identifier
code. For the STMicroelectronics M27W800,
these two identifier bytes are given in Table 4 and
can be read-out on outputs Q7 to Q0. Note that the
M27W800 and M27C800 have the same identifier
bytes.
10/15
ERASURE OPERATION (applies to UV EPROM)
The erasure characteristics of the M27W800 is
such that erasure begins when the cells are exposed to light with wavelengths shorter than approximately 4000 Å. It should be noted that
sunlight and some type of fluorescent lamps have
wavelengths in the 3000-4000 Å range. Research
shows that constant exposure to room level fluorescent lighting could erase a typical M27W800 in
about 3 years, while it would take approximately 1
week to cause erasure when exposed to direct
sunlight. If the M27W800 is to be exposed to these
types of lighting conditions for extended periods of
time, it is suggested that opaque labels be put over
the M27W800 window to prevent unintentional
erasure. The recommended erasure procedure for
M27W800 is exposure to short wave ultraviolet
light which has a wavelength of 2537 Å. The integrated dose (i.e. UV intensity x exposure time) for
erasure should be a minimum of 30 W-sec/cm 2.
The erasure time with this dosage is approximately 30 to 410 minutes using an ultraviolet lamp with
12000 µW/cm 2 power rating. The M27W800
should be placed within 2.5cm (1 inch) of the lamp
tubes during the erasure. Some lamps have a filter
on their tubes which should be removed before
erasure.
M27W800
Table 11. Ordering Information Scheme
Example:
M27W800
-100 X
M
1
TR
Device Type
M27
Supply Voltage
V = 2.7 to 3.6V
Device Function
800 = 8 Mbit (1Mb x 8 or 512Kb x 16)
Speed
-100 = 100 ns (1.2)
-120 = 120 ns
-150 = 150 ns
VCC Tolerance
blank = 2.7 to 3.6V
Package
F = FDIP42W (3)
B = PDIP42
K = PLCC44
Temperature Range
6 = –40 to 85 °C
Options
TR = Tape & Reel Packing
Note: 1. High Speed, see AC Characteristics section for further information.
2. This speed also guarantees 90ns access time at V CC = 3.0 to 3.6V.
3. For Ceramic Packages please contact the ST Sales Offices.
For a list of available options (Speed, Package, etc...) or for further information on any aspect of this device, please contact the STMicroelectronics Sales Office nearest to you.
Table 12. Revision History
Date
Revision Details
November 1999
First Issue
02/09/00
FDIP42W Package Dimension, L Max added (Table 12)
Temperature range changed
03/16/00
Standby Current ICC2 changed (Table 7)
From Product Preview to Data Sheet
11/15
M27W800
Table 13. FDIP42W - 42 pin Ceramic Frit-seal DIP, with window, Package Mechanical Data
mm
Symb
Typ
inches
Min
Max
A
Typ
Min
5.72
0.225
A1
0.51
1.40
0.020
0.055
A2
3.91
4.57
0.154
0.180
A3
3.89
4.50
0.153
0.177
0.41
0.56
0.016
0.022
–
–
–
–
0.23
0.30
0.009
0.012
54.41
54.86
2.142
2.160
–
–
2.000
–
–
0.600
B
B1
1.45
C
D
D2
50.80
E
15.24
E1
e
2.54
eA
14.99
0.057
–
–
14.50
14.90
–
–
0.100
0.590
–
–
0.571
0.587
–
–
–
–
–
–
eB
16.18
18.03
0.637
0.710
L
3.18
4.10
0.125
0.161
S
1.52
2.49
0.060
0.098
–
–
0.370
–
–
0.450
K
9.40
K1
11.43
–
–
α
4°
11°
N
42
–
–
4°
11°
42
Figure 10. FDIP42W - 42 pin Ceramic Frit-seal DIP, with window, Package Outline
A2
A3
A1
B1
B
A
L
e1
α
eA
D2
C
eB
D
S
N
K
1
E1
E
K1
FDIPW-b
Drawing is not to scale.
12/15
Max
M27W800
Table 14. PDIP42 - 42 pin Plastic DIP, 600 mils width, Package Mechanical Data
mm
inches
Symb
Typ
Min
Max
A
–
A1
Typ
Min
Max
5.08
–
0.200
0.25
–
0.010
–
A2
3.56
4.06
0.140
0.160
B
0.38
0.53
0.015
0.021
B1
1.27
1.65
0.050
0.065
C
0.20
0.36
0.008
0.014
D
52.20
52.71
2.055
2.075
D2
50.80
–
–
2.000
–
–
E
15.24
–
–
0.600
–
–
13.59
13.84
0.535
0.545
E1
e1
2.54
–
–
0.100
–
–
eA
14.99
–
–
0.590
–
–
eB
15.24
17.78
0.600
0.700
L
3.18
3.43
0.125
0.135
S
0.86
1.37
0.034
0.054
α
0°
10°
0°
10°
N
42
42
Figure 11. PDIP42 - 42 pin Plastic DIP, 600 mils width, Package Outline
A2
A1
B1
B
A
L
e1
α
eA
D2
C
eB
D
S
N
E1
E
1
PDIP
Drawing is not to scale.
13/15
M27W800
Table 15. PLCC44 - 44 lead Plastic Leaded Chip Carrier, Package Mechanical Data
mm
inches
Symb
Typ
Min
Max
A
4.20
A1
Min
Max
4.70
0.165
0.185
2.29
3.04
0.090
0.120
A2
–
0.51
–
0.020
B
0.33
0.53
0.013
0.021
B1
0.66
0.81
0.026
0.032
D
17.40
17.65
0.685
0.695
D1
16.51
16.66
0.650
0.656
D2
14.99
16.00
0.590
0.630
E
17.40
17.65
0.685
0.695
E1
16.51
16.66
0.650
0.656
E2
14.99
16.00
0.590
0.630
–
–
–
–
0.00
0.25
0.000
0.010
–
–
–
–
e
1.27
F
R
0.89
N
Typ
0.050
0.035
44
44
CP
0.10
0.004
Figure 12. PLCC44 - 44 lead Plastic Leaded Chip Carrier, Package Outline
D
D1
A1
A2
1 N
B1
E1 E
Ne
e
D2/E2
F
B
0.51 (.020)
1.14 (.045)
A
Nd
R
PLCC
Drawing is not to scale.
14/15
CP
M27W800
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