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PDF MR27V6452D Data sheet ( Hoja de datos )
| Número de pieza | MR27V6452D | |
| Descripción | 8-Word x 16-Bit or 16-Word x 8-Bit Page Mode One Time PROM | |
| Fabricantes | OKI electronic | |
| Logotipo |  |
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¡ Semiconductor
MR27V6452D
4,194,304-Word x 16-Bit or 8,388,608-Word x 8-Bit
8-Word x 16-Bit or 16-Word x 8-Bit Page Mode One Time PROM
1A
DESCRIPTION
The MR27V6452D is a 64Mbit electrically Programmable Read-Only Memory with page mode. Its
configuration can be electrically switched between 4,194,304 word x 16bit and 8,388,608 word x 8
bit. The MR27V6452D operates on a single +3.3V power supply and is TTL compatible. The MR27
V6452D provides Page mode which can greatly reduce the read access time. Since the MR27V6452
D operates asynchronously , external clocks are not required , making this device easy-to-use. The
MR27V6452D is suitable as large-capacity fixed memory for microcomputers and data terminals. It is
manufactured using a CMOS double silicon gate technology and is offered in 44-pin SOP package.
FEATURES
• 4,194,304 word x 16bit / 8,388,608 word x 8bit electrically switchable configuration
• Single +3.3V power supply
• Access time 120ns
Page mode access time 30ns
• Input / Output TTL compatible
• Three-state output
• Package
44-pin plastic SOP (SOP44-P-600-1.27-K) (Product name : MR27V6452DMA)
November 1999
1/10
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1 page  
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MR27V6452D
ELECTRICAL CHARACTERISTICS (Read operation)
DC Characteristics
Parameter
Symbol
Condition
Input leakage current
Output leakage current
VCC power supply current
(Standby)
VCC power supply current
(Read)
ILI
ILO
ICS1
ICS2
ICCA
VI=0 to Vcc
VO=0 to Vcc
CE=VCC
CE=VIH
CE=VIL , OE=VIH
tc=120ns
VPP power supply current
IPP
VPP=VCC
Input "H" level
VIH -
Input "L" level
VIL -
Output "H" level
VOH IOH=-400µA
Output "L" level
VOL IOL=2.1mA
Voltage is relative to Vss
* : Vcc+1.5V (Max.) when pulse width of overshoot is less than 10nS.
** : -1.5V (Min.) when pulse width of undershoot is less than 10nS.
(VCC=3.3V±0.3V, Ta=0 to 70°C)
Min. Typ. Max. Unit
- - 10 µA
- - 10 µA
- - 50 µA
- - 1 mA
- - 100 mA
-
2.2
-0.5**
2.4
-
- 10 µA
- VCC+0.5* V
- 0.6 V
--V
0.4 V
AC Characteristics
Parameter
Address access cycle time
Address access time
Page access cycle time
Page access time
CE access time
OE access time
Output disable time
Output hold time
Symbol
TC
TACC
TPC
TPAC
TCE
TOE
TCHZ
TOHZ
TOH
Condition
-
CE=OE=VIL
-
-
OE=VIL
CE=VIL
OE=VIL
CE=VIL
CE=OE=VIL
(VCC=3.3V±0.3V, Ta=0 to 70°C)
Min. Max. Unit
120 - ns
- 120 ns
30 - ns
- 30 ns
- 120 ns
- 40 ns
0 30 ns
0 25 ns
0 - ns
Measurement conditions
Input signal level
Input timing reference level
Output load
Output timing reference level
Output
0V/3V
0.8V/2.0V
100pF
0.8V/2.0V
2.08V
800ohms
100pF
5/10
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5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet MR27V6452D.PDF ] | |
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