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PDF MR27V12800J Data sheet ( Hoja de datos )
| Número de pieza | MR27V12800J | |
| Descripción | 8M-Word x 16-Bit or 16M-Word x 8-Bit P2ROM | |
| Fabricantes | OKI | |
| Logotipo |  |
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OKI Semiconductor
MR27V12800J
P2ROM8M–Word × 16–Bit or 16M–Word × 8–Bit
FEATURES
·8,388,608-word × 16-bit/16,777,216-word × 8-bit electrically
switchable configuration
· 3.0 V to 3.6 V power supply
· Access time 80 ns MAX (MR27V12800J-xxxTN)
100 ns MAX(MR27V12800J-xxxTNE)
· Operating current
25 mA MAX(5MHz)
· Standby current
10 µA MAX
· Input/Output TTL compatible
· Three-state output
PACKAGES
· MR27V12800J-xxxTN, MR27V12800J-xxxTNE
48-pin plastic TSOP (TSOP I 48-P-1220-0.50-1K)
· MR27V12800J-xxxTY, MR27V12800J-xxxTYE
48-pin plastic TSOP (TSOP I 48-P-1220-0.50-L)
P2ROM ADVANCED TECHNOLOGY
P2ROM stands for Production Programmed ROM. This
exclusive Oki technology utilizes factory test equipment for
programming the customers code into the P2ROM prior to final
production testing. Advancements in this technology allows
production costs to be equivalent to MASKROM and has many
advantages and added benefits over the other non-volatile
technologies, which include the following;
· Short lead time, since the P2ROM is programmed at the
final stage of the production process, a large P2ROM
inventory "bank system" of un-programmed packaged
products are maintained to provide an aggressive lead-time
and minimize liability as a custom product.
· No mask charge, since P2ROMs do not utilize a custom
mask for storing customer code, no mask charges apply.
· No additional programming charge, unlike Flash and
OTP that require additional programming and handling
costs, the P2ROM already has the code loaded at the
factory with minimal effect on the production throughput.
The cost is included in the unit price.
· Custom Marking is available at no additional charge.
· Pin Compatible with Mask ROM
FEDR27V12800J-02-06
Issue Date: Jul. 9, 2004
PIN CONFIGURATION (TOP VIEW)
MR27V12800J-xxxTN
MR27V12800J-xxxTNE
BYTE#
A16
A15
A14
A13
A12
A11
A10
A9
A8
A19
A21
A20
A18
A17
A7
A6
A5
A4
A3
A2
A1
A0
CE#
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
48 Vss
47 Vss
46 D15/A–1
45 D7
44 D14
43 D6
42 D13
41 D5
40 D12
39 D4
38 VCC
37 VCC
36 A22
35 D11
34 D3
33 D10
32 D2
31 D9
30 D1
29 D8
28 D0
27 OE #
26 Vss
25 Vss
MR27V12800J-xxxTY
MR27V12800J-xxxTYE
Vss
Vss
D15/A–1
D7
D14
D6
D13
D5
D12
D4
VCC
VCC
A22
D11
D3
D10
D2
D9
D1
D8
D0
OE #
Vss
Vss
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
1 BYTE#
2 A16
3 A15
4 A14
5 A13
6 A12
7 A11
8 A10
9 A9
10 A8
11 A19
12 A21
13 A20
14 A18
15 A17
16 A7
17 A6
18 A5
19 A4
20 A3
21 A2
22 A1
23 A0
24 CE#
48TSOP(Type-I)
1/9
1 page  
OKI Semiconductor
TIMING CHART (READ CYCLE)
FEDR27V12800J-02-06
MR27V12800J / P2ROM
16-Bit Read Mode (BYTE# = VIH)
tC
A0 to A22
tC
CE#
OE#
D0 to D15
tCE
tOE
tACC
Hi-Z
tACC
tOH
Valid Data
tOH
tCHZ
tOHZ
Valid Data
Hi-Z
8-Bit Read Mode (BYTE# = VIL)
tC
A-1 to A22
tC
CE#
OE#
D0 to D7
tCE
tOE
tACC
Hi-Z
tACC
tOH
Valid Data
tOH
tCHZ
tOHZ
Valid Data
Hi-Z
5/9
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet MR27V12800J.PDF ] | |
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