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M12L64322A Datasheet(PDF) 3 Page - Elite Semiconductor Memory Technology Inc.

Part No. M12L64322A
Description  512K x 32 Bit x 4 Banks Synchronous DRAM
Download  44 Pages
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Manufacturer  ESMT [Elite Semiconductor Memory Technology Inc.]
Direct Link  http://www.esmt.com.tw/index.asp
Logo ESMT - Elite Semiconductor Memory Technology Inc.

M12L64322A Datasheet(HTML) 3 Page - Elite Semiconductor Memory Technology Inc.

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ESMT
M12L64322A
Elite Semiconductor Memory Technology Inc.
Publication Date: May. 2004
Revision: 1.7
3/44
PIN
NAME
INPUT FUNCTION
DQM0~3
Data Input / Output Mask
Makes data output Hi-Z, tSHZ after the clock and masks the output.
Blocks data input when DQM active.
DQ0 ~ DQ31
Data Input / Output
Data inputs / outputs are multiplexed on the same pins.
VDD / VSS
Power Supply / Ground
Power and ground for the input buffers and the core logic.
VDDQ / VSSQ
Data Output Power / Ground
Isolated power supply and ground for the output buffers to provide
improved noise immunity.
N.C
No Connection
This pin is recommended to be left No Connection on the device.
ABSOLUTE MAXIMUM RATINGS
Parameter
Symbol
Value
Unit
Voltage on any pin relative to VSS
VIN, VOUT
-1.0 ~ 4.6
V
Voltage on VDD supply relative to VSS
VDD, VDDQ
-1.0 ~ 4.6
V
Storage temperature
TSTG
-55 ~ +150
C
°
Power dissipation
PD
1
W
Short circuit current
IOS
50
mA
Note :
Permanent device damage may occur if ABSOLUTE MAXIMUM RATING are exceeded.
Functional operation should be restricted to recommended operating condition.
Exposure to higher than recommended voltage for extended periods of time could affect device reliability.
DC OPERATING CONDITION
Recommended operating conditions (Voltage referenced to VSS = 0V, TA = 0 to 70 C
°)
Parameter
Symbol
Min
Typ
Max
Unit
Note
Supply voltage
VDD, VDDQ
3.0
3.3
3.6
V
Input logic high voltage
VIH
2.0
3.0
VDD+0.3
V
1
Input logic low voltage
VIL
-0.3
0
0.8
V
2
Output logic high voltage
VOH
2.4
-
-
V
IOH = -2mA
Output logic low voltage
VOL
-
-
0.4
V
IOL = 2mA
Input leakage current
IIL
-5
-
5
µ A
3
Output leakage current
IOL
-5
-
5
µ A
4
Note:
1. VIH(max) = 4.6V AC for pulse width
10ns acceptable.
2. VIL(min) = -1.5V AC for pulse width
10ns acceptable.
3. Any input 0V
VIN VDD + 0.3V, all other pins are not under test = 0V.
4. Dout is disabled , 0V
VOUT VDD.


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