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PDF EM48AM1684VTC Data sheet ( Hoja de datos )

Número de pieza EM48AM1684VTC
Descripción 256Mb Synchronous DRAM
Fabricantes Eorex 
Logotipo Eorex Logotipo



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No Preview Available ! EM48AM1684VTC Hoja de datos, Descripción, Manual

eorex
Revision History
Revision 0.1 (Aug. 2007)
- First release.
Revision 0.2 (Jan. 2009)..
- modify improved ICCs
EM48AM1684VTC
Jan. 2009
www.eorex.com
1/18

1 page




EM48AM1684VTC pdf
eorex
EM48AM1684VTC
Absolute Maximum Rating
Symbol
Item
Rating
Units
VIN, VOUT
Input, Output Voltage
-0.3 ~ +4.6
V
VDD, VDDQ
Power Supply Voltage
-0.3 ~ +4.6
V
TOP Operating Temperature Range
Commercial
Extended
0 ~ +70
-
°C
TSTG
Storage Temperature Range
-55 ~ +150
°C
PD Power Dissipation
1W
IOS Short Circuit Current
50 mA
Note: Caution Exposing the device to stress above those listed in Absolute Maximum Ratings could
cause permanent damage. The device is not meant to be operated under conditions outside the
limits described in the operational section of this specification. Exposure to Absolute Maximum
Rating conditions for extended periods may affect device reliability.
Capacitance (VCC=3.3V, f=1MHz, TA=0~70°C)
Symbol
Parameter
Min. Typ. Max. Units
CCLK
CI
CIO
CII
Clock Capacitance
Input Capacitance for CLK, CKE, Address,
/CS, /RAS, /CAS, /WE, DQML, DQMU
Output Capacitance
Input Capacitance (A0 to A12)
-
-
-
-
- 4 pF
- 5 pF
- 6.5 pF
- 5 pF
Note: Capacitance is sampled and not 100% tested.
Recommended DC Operating Conditions (TA=0°C ~70°C)
Symbol
Parameter
VDD Power Supply Voltage
VDDQ
Power Supply Voltage (for I/O Buffer)
VIH Input Logic High Voltage
VIL Input Logic Low Voltage
Note:
* All voltages referred to VSS.
* VIH (max.) = 5.6V for pulse width 3ns
* VIL (min.) = -2.0V for pulse width 3ns
Min. Typ. Max. Units
3.0 3.3 3.6 V
3.0 3.3 3.6 V
2.0
VDD+0.3
V
-0.3 0.8 V
Jan. 2009
www.eorex.com
5/18

5 Page





EM48AM1684VTC arduino
eorex
EM48AM1684VTC
Address Input for Mode Register Set
BA1 BA0 A12/A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0
Operation Mode
CAS Latency
BT Burst Length
Burst Length
Sequential Interleave A2 A1 A0
1 1 000
2 2 001
4 4 010
8 8 011
Reserved Reserved 1 0 0
Reserved Reserved 1 0 1
Reserved Reserved 1 1 0
Full Page Reserved 1 1 1
Burst Type
Interleave
Sequential
A3
1
0
CAS Latency
A6
A5
A4
Reserved
0
0
0
Reserved
0
0
1
2 010
3 011
Reserved
1
0
0
Reserved
1
0
1
Reserved
1
1
0
Reserved
1
1
1
BA1 BA0 A12/A11 A10 A9 A8 A7
00 0 0000
00 0 0100
Operation Mode
Normal
Burst Read with Single-bit Write
Jan. 2009
11/18
www.eorex.com

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