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參數(shù)資料
| 型號(hào)： | 4250 |
| 英文描述： | Low-Cost, 2.7V to 5.5V Temperature Switches in a SOT23 |
| 中文描述： | 4250組數(shù)據(jù)表數(shù)據(jù)表652K/NOV.30.97 |
| 文件頁數(shù)： | 55/59頁 |
| 文件大?。?/td> | 652K |
| 代理商： | 4250 |
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54
MITSUBISHI MICROCOMPUTERS
4250 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
Fig. 31 Pin configuration of built-in PROM version
Table 15 Product of built-in PROM version
*: Under development
PROM size
(
9 bits)
2048 words
RAM size
(
4 bits)
64 words
Product
M34250E2-XXXFP *
M34250E2FP*
ROM type
One Time PROM [shipped after writing]
(shipped after writing and test in factory)
One Time PROM [shipped in blank]
Package
20P2N-A
PIN CONFIGURATION (TOP VIEW)
BUILT-IN PROM VERSION
In addition to the mask ROM versions, the 4250 Group has the
One Time PROM versions whose PROMs can only be written to
and not be erased.
The built-in PROM version has functions similar to those of the
mask ROM versions, but it has PROM mode that enables writing
to built-in PROM.
Table 15 shows the product of built-in PROM version. Figure 31
and 32 show the pin configurations of built-in PROM versions.
The One Time PROM version has pin-compatibility with the mask
ROM version.
V
DD
2
3
4
5
6
7
8
9
10
1
19
D
2
/C
X
IN
18
17
16
15
14
13
12
11
20
G
2
S
0
S
1
S
2
S
3
D
3
/K
D
1
D
0
G
3
V
SS
G
1
/T
OUT
G
0
/INT
RESET
X
OUT
CNV
SS
F
0
F
1
M
Outline 20P2N-A
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