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UPD447 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - 2K x 8 BIT STATIC CMOS RAM - NEC

भाग संख्या UPD447
समारोह 2K x 8 BIT STATIC CMOS RAM
मैन्युफैक्चरर्स NEC 
लोगो NEC लोगो 
पूर्व दर्शन
1 Page
		
<?=UPD447?> डेटा पत्रक पीडीएफ

UPD447 pdf
j'PD447
A4
AS
AS DDRESS
A7 8UFFER
As
A9
A10---t......_ .....
ROW
DECODER
I/~' _ _-+_ _....
I
I
1100 ---+-....-+1
CELL ARRAY
128 ROWS
128 COLUMNS
SENSE SWITCH
COLUMN
DECODER
OU11'UT
DATA
CONTROL
BLOCK DIAGRAM
CE2
CE1-(::I:lH!i-I
WE~~~-'----------------------~
Supply Voltage ............. .
Input or Output Voltage Supplied
Storage Temperature Range .. .
Operating Temperature Range .. .
.......... 7.0V
-0.3 to VCC + 0.3V
-55°C to 125°C
. .... O°C to 70°C
ABSOLUTE MAXIMUM
RATINGS*
COMMENT Stress above those listed under "Absolute Maximum Ratings" may cause permanent
damage to the device. This is a stress rating only and functional operation of the device at these or
any other conditions above those indicated in the operational sections of this specification is not
implied. Exposure to absolute maximum rating conditions for extended periods may affect device
reliability.
*Ta = 2SOC
Vee = 5V :!: 10%, Ta = O°C to 70°C
LIMITS
PARAMETER
TEST
SYMBOL CONDITIONS
~D447·2
MIN TVP MAX-
~PD447·1
MIN TYP MAX
""'D447
MIN TYP MAX
UNIT
Input High Voltage
V,H
2.2 Vee +0.3 2.2 Vee + 0.3 2.2 VCC+ O•3
Input Low Voltage
V,L
....3 0.8 ....3 0.8 -0.3 0.8 V
Input leakage Current ILl VIN"'O-VCC -1.0
1.0 -1.0
1.0 -1.0
1.0· .A
I/O Leakage Current
VCE2 = V1H
ILO
-1 ..0
VI/O "O-Vee
1.0 -1.0
1.0 -1.0
1.0 .A
Operating Supply Current
IceA'
ICCA2
VCE2" vlL
11/0- 0
MIN TCVCLE
VCE2" Vil.
11/0"'0
DC CURRENT
30 .s
10
2S 3.
10
20 30
10
mA
mA
Standby Current
Output High Voltage
Output low Voltage
ICCS
VCE2 = Vee
VIN = 0- Vec
VOH IOH =-1.0mA
VOL. IOl = 2.0mA
2.'
100
0.'
2.4
100
0.'
2.'
100 .A
0.' V
DC CHARACTERISTICS
Ta = 25°C, f = 1.0 MHz
PARAMETER
SYMBOL
Input Capacitance
CIN
Input/Output Capacitance CI/O
LIMITS
MIN MAX UNIT
TEST
CONDITIONS
6 pF. VIN = OV
8 pF VI/O = OV
CAPACITANCE
106

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डाउनलोड[ UPD447 Datasheet.PDF ]


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