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PDF MR27V3252D Data sheet ( Hoja de datos )
| Número de pieza | MR27V3252D | |
| Descripción | Page Mode One Time PROM | |
| Fabricantes | OKI electronic componets | |
| Logotipo |  |
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¡ Semiconductor
MR27V3252D
2,097,152-Word x 16-Bit or 4,194,304-Word x 8-Bit
8-Word x 16-Bit or 16-Word x 8-Bit Page Mode One Time PROM
1A
DESCRIPTION
The MR27V3252D is a 32Mbit electrically Programmable Read-Only Memory with page mode. Its
configuration can be electrically switched between 2,097,152 word x 16bit and 4,194,304 word x 8
bit. The MR27V3252D operates on a single +3.3V power supply and is TTL compatible. The MR27
V3252D provides Page mode which can greatly reduce the read access time. Since the MR27V3252
D operates asynchronously , external clocks are not required , making this device easy-to-use. The
MR27V3252D 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 or 48-
pin TSOP packages.
FEATURES
• 2,097,152 word x 16bit / 4,194,304 word x 8bit electrically switchable configuration
• Single +3.3V power supply
• Access time 100ns
Page mode access time 30ns
• Input / Output TTL compatible
• Three-state output
• Packages
44-pin plastic SOP (SOP44-P-600-1.27-K) (Product name : MR27V3252DMA)
48-pin plastic TSOP (TSOP II 48-P-550-0.80-K) (Product name : MR27V3252DTA)
November 1999
1/10
1 page  
MR27V3252D
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=100ns
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
100 - ns
- 100 ns
30 - ns
- 30 ns
- 100 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
0V/3V
0.8V/2.0V
100pF
0.8V/2.0V
2.08V
Output
800ohms
100pF
5/10
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet MR27V3252D.PDF ] | |
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