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PDF MR27V12852L Data sheet ( Hoja de datos )
| Número de pieza | MR27V12852L | |
| Descripción | P2ROM | |
| Fabricantes | LAPIS | |
| Logotipo |  |
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MR27V12852L
P2ROM8M-Word × 16-Bit or 16M-Word × 8-Bit Page mode
FEDR27V12852L-002-01
Issue Date: Oct 01, 2008
FEATURES
· 8,388,608-word × 16-bit/16,777,216-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
· Access time .....................85 ns MAX
· Page Access time ............30 ns MAX
· Operating current ............50 mA MAX(5MHz)
· Standby current ...............10 µA MAX
· Input/Output TTL compatible
· Three-state output
PACKAGES
· MR27V12852L-xxxTA
56-pin plastic TSOP (TSOP I 56-P-1420-0.50-K)
P2ROM ADVANCED TECHNOLOGY
P2ROM stands for Production Programmed ROM. This
exclusive LAPIS Semiconductor 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 some FLASH products except for
29-pin.
PIN CONFIGURATION (TOP VIEW)
NC 1
A22 2
A15 3
A14 4
A13 5
A12 6
A11 7
A10 8
A9 9
A8 10
A19 11
A20 12
NC 13
NC 14
A21 15
NC 16
NC 17
A18 18
A17 19
A7 20
A6 21
A5 22
A4 23
A3 24
A2 25
A1 26
NC 27
NC 28
56 NC
55 NC
54 A16
53 BYTE#
52 VSS
51 D15/A-1
50 D7
49 D14
48 D6
47 D13
46 D5
45 D12
44 D4
43 VCC
42 D11
41 D3
40 D10
39 D2
38 D9
37 D1
36 D8
35 D0
34 OE#
33 VSS
32 CE#
31 A0
30 NC
29 NC*
56TSOP(Type-I)
*:Different from FLASH products.
1/8
1 page  
FEDR27V12852L-002-01
MR27V12852L / P2ROM
TIMING CHART (READ CYCLE)
RANDOM ACCESS MODE READ CYCLE
A0 to A22 (Word mode)
A-1 to A22 (Byte mode)
tC
tC
tCE
CE#
tACC
tOE
OE#
tACC
D0 to D15(Word mode)
D0 to D7(Byte mode)
Hi-Z
D8 to D15 : Hi-Z(Byte mode)
tOH
Valid Data
tOH
tCHZ
tOHZ
Valid Data
Hi-Z
PAGE ACCESS MODE READ CYCLE
A3 to A22
tC
A0 to A2 (Word mode)
A-1 to A2 (Byte mode)
CE#
OE#
D0 to D15(Word mode)
D0 to D7(Byte mode)
D8 to D15 : Hi-Z(Byte mode)
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 MR27V12852L.PDF ] | |
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