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STMicroelectronics Electronic Components Datasheet

M27C320 Datasheet

32 Mbit 4Mb x8 or 2Mb x16 OTP EPROM

No Preview Available !

M27C320
32 Mbit (4Mb x8 or 2Mb x16) OTP EPROM
PRELIMINARY DATA
s 5V ± 10% SUPPLY VOLTAGE in READ
OPERATION
s FAST ACCESS TIME: 80ns
s BYTE-WIDE or WORD-WIDE
CONFIGURABLE
s 32 Mbit MASK ROM REPLACEMENT
s LOW POWER CONSUMPTION
– Active Current 70mA at 8MHz
– Stand-by Current 100mA
s PROGRAMMING VOLTAGE: 12V ± 0.25V
s PROGRAMMING TIME: 100µs/byte
(typical)(PRESTO III Algorithm)
s ELECTRONIC SIGNATURE:
– Manufacturer Code 0020h
– Device Code: 0032h
DESCRIPTION
The M27C320 is a 32 Mbit EPROM offered in the
OTP range (one time programmable). It is ideally
suited for microprocessor systems requiring large
data or program storage. It is organised as either
4 MWords of 8 bit or 2 MWords of 16 bit. The pin-
out is compatible with the 32 Mbit Mask ROM.
The M27C320 is offered in TSOP48 (12 x 20mm)
and SO44 packages.
Table 1. Signal Names
A0-A20
Address Inputs
Q0-Q7
Data Outputs
Q8-Q14
Data Outputs
Q15A–1
Data Output / Address Input
E Chip Enable
GVPP
Output Enable / Program Supply
BYTE
Byte-Wide Select
VCC Supply Voltage
VSS Ground
44
1
SO44 (M)
TSOP48 (N)
12 x 20 mm
Figure 1. Logic Diagram
VCC
21
A0-A20
E
GVPP
M27C320
Q15A–1
15
Q0-Q14
BYTE
VSS
AI02152
September 1998
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
1/15


STMicroelectronics Electronic Components Datasheet

M27C320 Datasheet

32 Mbit 4Mb x8 or 2Mb x16 OTP EPROM

No Preview Available !

M27C320
Figure 2A. SO Pin Connections
Figure 2B. TSOP Pin Connections
NC
A18
A17
A7
A6
A5
A4
A3
A2
A1
A0
E
VSS
GVPP
Q0
Q8
Q1
Q9
Q2
Q10
Q3
Q11
1 44
2 43
3 42
4 41
5 40
6 39
7 38
8 37
9 36
10 35
11 M27C320 34
12 33
13 32
14 31
15 30
16 29
17 28
18 27
19 26
20 25
21 24
22 23
AI02153
A20
A19
A8
A9
A10
A11
A12
A13
A14
A15
A16
BYTE
VSS
Q15A–1
Q7
Q14
Q6
Q13
Q5
Q12
Q4
VCC
BYTE
A16
A15
A14
A13
A12
A11
A10
A9
A8
A19
VSS
A20
A18
A17
A7
A6
A5
A4
A3
A2
A1
A0
E
1 48 VSS
VSS
Q15A–1
Q7
Q14
Q6
Q13
Q5
Q12
Q4
12 37
M27C320
13 36
VCC
VCC
VSS
Q11
Q3
Q10
Q2
Q9
Q1
Q8
Q0
GVPP
VSS
24 25 VSS
AI02154
Warning : NC = Not Connected.
Table 2. Absolute Maximum Ratings (1)
Symbol
Parameter
Value
Unit
TA 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
VCC Supply Voltage
–2 to 7
V
VA9 (2)
A9 Voltage
–2 to 13.5
V
VPP Program Supply Voltage
–2 to 14
V
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 condi-
tions for extended periods may affect device reliability. Refer also to the STMicroelectronics SURE Program and other relevant qual-
ity 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 VCC +0.5V with possible overshoot to VCC +2V for a period less than 20ns.
3. Depends on range.
2/15


Part Number M27C320
Description 32 Mbit 4Mb x8 or 2Mb x16 OTP EPROM
Maker STMicroelectronics
Total Page 15 Pages
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