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TMS27C/PC256-12 bảng dữ liệu(PDF) 6 Page - Texas Instruments

tên linh kiện TMS27C/PC256-12
Giải thích chi tiết về linh kiện  TMS27C256 32768 BY 8-BIT UV ERASABLE TMS27PC256 32768 BY 8-BIT PROGRAMMABLE READ-ONLY MEMORIES
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TMS27C/PC256-12 bảng dữ liệu(HTML) 6 Page - Texas Instruments

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TMS27C256 32768 BY 8-BIT UV ERASABLE
TMS27PC256 32768 BY 8-BIT
PROGRAMMABLE READ-ONLY MEMORIES
SMLS256H– SEPTEMBER 1984 – REVISED NOVEMBER 1997
6
POST OFFICE BOX 1443
• HOUSTON, TEXAS 77251–1443
logic symbol†
14
[PWR DWN]
&
EN
A
A
A
A
A
A
A
A
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
E
G
10
9
8
7
6
5
4
3
25
24
21
23
2
26
27
20
22
EPROM
32 768
× 8
11
12
13
15
16
17
18
19
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
A
0
32 767
0
A
0
32 767
A
A
A
A
A
A
A
A
14
[PWR DWN]
&
EN
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
E
G
10
9
8
7
6
5
4
3
25
24
21
23
2
26
27
20
22
OTP PROM
32 768
× 8
11
12
13
15
16
17
18
19
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
0
† These symbols are in accordance with ANSI / IEEE Std 91-1984 and IEC Publication 617-12.
Pin numbers shown are for J package.
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)‡
Supply voltage range, VCC (see Note 1) :
– 0.6 V to 7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Supply voltage range, VPP :
– 0.6 V to 14 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage range (see Note 1): All inputs except A9 :
– 0.6 V to VCC + 1 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
A9 :
– 0.6 V to 13.5 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output voltage range (see Note 1) :
– 0.6 V to VCC + 1 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range (’27C256-_ _JL, ’27PC256-_ _FML) TA :0°C to 70°C
. . . . . . . . . . . . . .
Operating free-air temperature range (’27C5256-_ _JE, ’27PC256-_ _FME) TA :
– 40
°C to 85°C
. . . . . . . . . . .
Storage temperature range, Tstg :
– 65
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
‡ Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTE 1: All voltage values are with respect to GND.



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