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PDF MR27V1652L Data sheet ( Hoja de datos )
| Número de pieza | MR27V1652L | |
| Descripción | 1M-Word x 16-Bit or 2M-Word x 8-Bit P2ROM | |
| Fabricantes | OKI | |
| Logotipo |  |
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OKI Semiconductor
MR27V1652L
P2ROM1M–Word × 16–Bit or 2M–Word × 8–Bit Page Mode
FEDR27V1652L-02-01
Issue Date: Jun. 16, 2005
FEATURES
· 1,048,576-word × 16-bit / 2,097,152-word × 8-bit electrically
switchable configuration
· Page size of 8-word x 16-Bit or 16-word x 8-Bit
· 3.0 V to 3.6 V power supply
·Random Access time
100 ns MAX
·Page Access time
30 ns MAX
· Operating current
60 mA MAX (5MHz)
· Standby current
10 µA MAX
· Input/Output TTL compatible
· Three-state output
PACKAGES
· MR27V1652L-xxxMA
44-pin plastic SOP (SOP44-P-600-1.27-K)
P2ROM ADVANCED TECHNOLOGY
PIN CONFIGURATION (TOP VIEW)
NC
A18
A17
A7
A6
A5
A4
A3
A2
A1
A0
CE#
VSS
OE#
D0
D8
D1
D9
D2
D10
D3
D11
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
44SOP
44 NC
43 A19
42 A8
41 A9
40 A10
39 A11
38 A12
37 A13
36 A14
35 A15
34 A16
33 BYTE#
32 VSS
31 D15/A–1
30 D7
29 D14
28 D6
27 D13
26 D5
25 D12
24 D4
23 VCC
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 and some FLASH products.
1/8
1 page  
OKI Semiconductor
TIMING CHART (READ CYCLE)
FEDR27V1652L-02-01
MR27V1652L / P2ROM
Random Access Mode Read Cycle
Address
tC
CE#
OE#
Dout
tCE
tOE
tACC
Hi-Z
tC
tACC
tOH
Valid Data
tOH
tCHZ
tOHZ
Valid Data
Hi-Z
Page Access Mode Read Cycle
A3 to A19
tC
A-1 to A2 (Byte mode)
A0 to A2 (Word mode)
CE#
OE#
Dout
tCE
tOE
tACC
Hi-Z
tPC tPC
tOH
tPAC
tPAC
tCHZ
tOHZ
Hi-Z
5/8
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet MR27V1652L.PDF ] | |
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