參數(shù)資料
型號: M27V320-120M1
廠商: 意法半導(dǎo)體
英文描述: 32 Mbit 4Mb x8 or 2Mb x16 OTP EPROM
中文描述: 32兆位4Mb的x8或檢察官辦公室的2Mb x16存儲器
文件頁數(shù): 2/15頁
文件大小: 144K
代理商: M27V320-120M1
M27V320
2/15
Figure 3. TSOP Connections
AI05854
M27V320
12
13
1
24
25
36
37
48
GVPP
VSS
Q0
Q8
A3
A2
A1
A0
E
VSS
A20
A13
A12
A11
A10
VSS
Q15A–1
A14
A15
Q7
Q14
Q6
Q13
A16
BYTE
Q5
Q12
Q2
Q9
Q3
Q10
VCC
VCC
VSS
Q11
Q4
A9
A8
A19
A18
A17
A4
A7
A6
A5
Q1
VSS
VSS
Figure 2. SO Connections
GVPP
Q0
Q8
Q1
Q9
A3
A2
A1
A0
E
VSS
A13
A14
A15
A16
BYTE
VSS
Q15A–1
Q7
Q14
Q6
Q13
A12
Q5
Q12
Q2
Q10
Q3
Q11
VCC
Q4
A9
A10
A19
A8
A18
A17
A4
NC
A20
A7
A6
A5
AI05853
M27V320
8
9
10
11
12
13
14
15
16
17
2
3
4
5
6
7
32
31
30
29
28
27
26
25
24
23
22
20
21
19
18
44
43
42
41
39
38
37
36
35
34
33
A11
40
1
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
GV
PP
Output Enable / Program Supply
BYTE
Byte-Wide Select
V
CC
Supply Voltage
V
SS
Ground
NC
Not Connected Internally
DEVICE OPERATION
The operating modes of the M27V320 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.
Read Mode
The M27V320 has two organisations, Word-wide
and Byte-wide. The organisation is selected by the
signal level on the BYTE pin. When BYTE is at V
IH
the Word-wide organisation is selected and the
Q15A–1 pin is used for Q15 Data Output. When
the BYTE pin is at V
IL
the Byte-wide organisation
is selected and the Q15A–1 pin is used for the Ad-
dress Input A–1. When the memory is logically re-
garded as 16 bit wide, but read in the Byte-wide
organisation, then with A–1 at V
IL
the lower 8 bits
of the 16 bit data are selected and with A–1 at V
IH
the upper 8 bits of the 16 bit data are selected.
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參數(shù)描述
M27V320-120M6 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:32 Mbit 4Mb x8 or 2Mb x16 OTP EPROM
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