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PDF MR27T6402L Data sheet ( Hoja de datos )
| Número de pieza | MR27T6402L | |
| Descripción | 4M-Word x 16-Bit or 8M-Word x 8-Bit P2ROM | |
| Fabricantes | OKI | |
| Logotipo |  |
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OKI Semiconductor
MR27T6402L
P2ROM4M–Word × 16–Bit or 8M–Word × 8–Bit
FEATURES
·4,194,304-word × 16-bit / 8,388,608-word × 8-bit electrically
switchable configuration
· Access time
2.7 V to 3.6 V power supply 90 ns MAX
3.0 V to 3.6 V power supply 80 ns MAX
· Operating current
20 mA MAX (5MHz)
· Standby current
10 µA MAX
· Input/Output TTL compatible
· Three-state output
PACKAGES
· MR27T6402L-xxxMA
44-pin plastic SOP (SOP44-P-600-1.27-K)
· MR27T6402L-xxxTN
48-pin plastic TSOP (TSOP I 48-P-1220-0.50-1K)
FEDR27T6402L-02-01
Issue Date: May. 9, 2005
PIN CONFIGURATION (TOP VIEW)
A21 1
A18 2
A17 3
A7 4
A6 5
A5 6
A4 7
A3 8
A2 9
A1 10
A0 11
CE# 12
VSS 13
OE# 14
D0 15
D8 16
D1 17
D9 18
D2 19
D10 20
D3 21
D11 22
44SOP
44 A20
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 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 and some FLASH
products.
A15 1
A14 2
A13 3
A12 4
A11 5
A10 6
A9 7
A8 8
A19 9
A20 10
NC 11
NC 12
A21 13
NC 14
NC 15
A18 16
A17 17
A7 18
A6 19
A5 20
A4 21
A3 22
A2 23
A1 24
48 A16
47 BYTE#
46 VSS
45 D15/A–1
44 D7
43 D14
42 D6
41 D13
40 D5
39 D12
38 D4
37 VCC
36 D11
35 D3
34 D10
33 D2
32 D9
31 D1
30 D8
29 D0
28 OE#
27 VSS
26 CE#
25 A0
48TSOP(Type-I)
1/10
1 page  
OKI Semiconductor
FEDR27T6402L-02-01
MR27T6402L / P2ROM
AC Characteristics
Parameter
Address cycle time
Address access time
CE# access time
OE# access time
Output disable time
Output hold time
Symbol
tC
tACC
tCE
tOE
tCHZ
tOHZ
tOH
Condition
—
CE# = OE# = VIL
OE# = VIL
CE# = VIL
OE# = VIL
CE# = VIL
CE# = OE# = VIL
(VCC = 2.7 V to 3.6 V, Ta = 0 to 70°C)
Min.
Max.
Unit
90 — ns
— 90 ns
— 90 ns
— 30 ns
0 30 ns
0 25 ns
0 — ns
Parameter
Address cycle time
Address access time
CE# access time
OE# access time
Output disable time
Output hold time
Symbol
tC
tACC
tCE
tOE
tCHZ
tOHZ
tOH
Condition
—
CE# = OE# = VIL
OE# = VIL
CE# = VIL
OE# = VIL
CE# = VIL
CE# = OE# = VIL
(VCC = 3.0 V to 3.6 V, Ta = 0 to 70°C)
Min.
Max.
Unit
80 — ns
— 80 ns
— 80 ns
— 30 ns
0 20 ns
0 20 ns
0 — ns
Measurement conditions
Input signal level ------------------------------------ 0 V/3 V
Input timing reference level ----------------------- 1/2Vcc
Output load ------------------------------------------- 50 pF
Output timing reference level ------------------- 1/2Vcc
Output load
Output
50 pF
(Including scope and jig)
5/10
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet MR27T6402L.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| MR27T6402G | 4M-Word x 16-Bit or 8M-Word x 8-Bit P2ROM | OKI |
| MR27T6402L | 4M-Word x 16-Bit or 8M-Word x 8-Bit P2ROM | OKI |
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