OKI Semiconductor
MR27V25653L
16M–Word
×
16–Bit or 32M–Word
×
8–Bit Page Mode
FEDR27V25653L-02-01
Issue Date: Mar. 10, 2005
P2ROM
PIN CONFIGURATION (TOP VIEW)
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A23
NC
NC
NC
NC
NC
GND
NC
NC
NC
NC
NC
BYTE#
A0
D0
D8
D1
D9
Vcc
D2
D10
D3
D11
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
FEATURES
· 16,777,216-word
×
16-bit / 33,554,432-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
35 ns MAX
· Operating current
60 mA MAX
· Standby current
5 mA MAX
· Input/Output TTL compatible
· Three-state output
PACKAGES
· MR27V25653L-xxxMB
70-pin plastic SSOP (SSOP70-P-500-0.80-K)
70SSOP
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
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;
CE#
A12
A13
A14
A15
Vcc
A16
A17
A18
A19
A20
A21
NC
NC
NC
NC
NC
GND
NC
NC
NC
NC
NC
A22
NC
OE#
D15/A-1
D7
D14
D6
D13
D5
D12
D4
Vcc
· 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.
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