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M27C801-100F6

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24
List of figures M27C801
4/24
List of figures
Figure 1. Logic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 2. DIP connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Figure 3. PLCC connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Figure 4. Programming flowchart. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Figure 5. AC testing input output waveform. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Figure 6. AC testing load circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Figure 7. Read mode AC waveforms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Figure 8. Margin mode AC waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 9. Programming and verify modes AC waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 10. FDIP32WA package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 11. PDIP32 package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 12. PLCC32 package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Obsolete Product(s) - Obsolete Product(s)
M27C801 Description
5/24
1 Description
The M27C801 is an 8 Mbit EPROM offered in the two ranges UV (ultra violet erase) and
OTP (one time programmable). It is ideally suited for applications where fast turn-around
and pattern experimentation are important requirements and is organized as 1,048,576 by 8
bits.
The FDIP32W (window ceramic frit-seal package) has 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 to the device by following the programming procedure.
For applications where the content is programmed only one time and erasure is not
required, the M27C801 is offered in PDIP32 and PLCC32 packages.
In order to meet environmental requirements, ST offers the M27C801 in ECOPACK®
packages. ECOPACK packages are Lead-free. The category of second-level interconnect is
marked on the package and on the inner box label, in compliance with JEDEC Standard
JESD97. The maximum ratings related to soldering conditions are also marked on the inner
box label.
ECOPACK is an ST trademark. ECOPACK® specifications are available at: www.st.com.
See Figure 1: Logic diagram and Table 1: Signal descriptions for a brief overview of the
signals connected to this device.
Figure 1. Logic diagram
AI01267
20
A0-A19 Q0-Q7
V
CC
M27C801
V
SS
8
GV
PP
E
Obsolete Product(s) - Obsolete Product(s)
Description M27C801
6/24
Figure 2. DIP connections
Table 1. Signal descriptions
Signal Description
A0-A19 Address inputs
Q0-Q7 Data outputs
E
Chip Enable
G
V
PP
Output enable / program supply
V
CC
Supply voltage
V
SS
Ground
A1
A0
Q0
A7
A4
A3
A2
A6
A5
A13
A10
A8
A9
Q7
A14
A11
GV
PP
E
Q5Q1
Q2
Q3V
SS
Q4
Q6
A17
A18A16
A12
A19 V
CC
A15
AI01268
M27C801
8
1
2
3
4
5
6
7
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
Obsolete Product(s) - Obsolete Product(s)
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24

M27C801-100F6

Mfr. #:
Buy M27C801-100F6
Manufacturer:
STMicroelectronics
Description:
EPROM 8M (1Mx8) 100ns
Lifecycle:
New from this manufacturer.
Delivery:
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