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NM93C56 Datasheet(PDF) 4 Page - Fairchild Semiconductor

No. de Pieza. NM93C56
Descripción  2048-Bit Serial CMOS EEPROM (MICROWIRE™ Synchronous Bus)
Descarga  13 Pages
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Fabricante  FAIRCHILD [Fairchild Semiconductor]
Página de inicio  http://www.fairchildsemi.com
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NM93C56 Datasheet(HTML) 4 Page - Fairchild Semiconductor

 
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NM93C56 Rev. E
Absolute Maximum Ratings (Note 1)
Ambient Storage Temperature
-65
°C to +150°C
All Input or Output Voltages
+6.5V to -0.3V
with Respect to Ground
Lead Temperature
(Soldering, 10 sec.)
+300
°C
ESD rating
2000V
Operating Conditions
Ambient Operating Temperature
NM93C56L/LZ
0
°C to +70°C
NM93C56LE/LZE
-40
°C to +85°C
NM93C56LV/LZV
-40
°C to +125°C
Power Supply (V
CC)
2.7V to 5.5V
DC and AC Electrical Characteristics V
CC = 2.7V to 5.5V unless otherwise specified
Symbol
Parameter
Conditions
Min
Max
Units
I
CCA
Operating Current
CS = V
IH, SK=1.0 MHz
1
mA
ICCS
Standby Current
CS = VIL
L
10
µA
LZ (2.7V to 4.5V)
1
µA
I
IL
Input Leakage
V
IN = 0V to VCC
±1
µA
I
OL
Output Leakage
(Note 2)
VIL
Input Low Voltage
-0.1
0.15VCC
V
V
IH
Input High Voltage
0.8V
CC
V
CC +1
VOL
Output Low Voltage
IOL = 10µA
0.1VCC
V
V
OH
Output High Voltage
I
OH = -10µA
0.9V
CC
f
SK
SK Clock Frequency
(Note 3)
0
250
KHz
t
SKH
SK High Time
1
µs
t
SKL
SK Low Time
1
µs
t
SKS
SK Setup Time
0.2
µs
t
CS
Minimum CS Low Time
(Note 4)
1
µs
t
CSS
CS Setup Time
0.2
µs
t
DH
DO Hold Time
70
ns
t
DIS
DI Setup Time
0.4
µs
t
CSH
CS Hold Time
0
ns
t
DIH
DI Hold Time
0.4
µs
t
PD
Output Delay
2
µs
t
SV
CS to Status Valid
1
µs
t
DF
CS to DO in Hi-Z
CS = V
IL
0.4
µs
t
WP
Write Cycle Time
15
ms
Capacitance T
A = 25°C, f = 1 MHz (Note 5)
Symbol
Test
Typ
Max
Units
COUT
Output Capacitance
5
pF
C
IN
Input Capacitance
5
pF
Note 1:
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 the specification is not implied. Exposure
to absolute maximum rating conditions for extended periods may affect device reliability.
Note 2:
Typical leakage values are in the 20nA range.
Note 3:
The shortest allowable SK clock period = 1/fSK (as shown under the fSK parameter). Maximum
SK clock speed (minimum SK period) is determined by the interaction of several AC parameters stated
in the datasheet. Within this SK period, both tSKH and tSKL limits must be observed. Therefore, it is not
allowable to set 1/fSK = tSKHminimum + tSKLminimum for shorter SK cycle time operation.
Note 4:
CS (Chip Select) must be brought low (to VIL) for an interval of tCS in order to reset all internal
device registers (device reset) prior to beginning another opcode cycle. (This is shown in the opcode
diagram on the following page.)
Note 5:
This parameter is periodically sampled and not 100% tested.
AC Test Conditions
V
CC Range
V
IL/VIH
V
IL/VIH
V
OL/VOH
I
OL/IOH
Input Levels
Timing Level
Timing Level
2.7V
≤ V
CC ≤ 5.5V
0.3V/1.8V
1.0V
0.8V/1.5V
±10µA
(Extended Voltage Levels)
4.5V
≤ V
CC ≤ 5.5V
0.4V/2.4V
1.0V/2.0V
0.4V/2.4V
2.1mA/-0.4mA
(TTL Levels)
Output Load: 1 TTL Gate (C
L = 100 pF)


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