NM27C256 Fairchild, NM27C256 Datasheet - Page 3

• Manufacturer Part Number: NM27C256
• Description: 262 /144-Bit (32K x 8) High Performance CMOS EPROM
• Manufacturer: Fairchild

Absolute Maximum Ratings
Storage Temperature
All Input Voltages except A9 with
V
V
Read Operation
DC Electrical Characteristics
AC Electrical Characteristics
Capacitance
PP
CC
Symbol
Symbol
Symbol
(Note 11)
(Note 2)
(Note 2)
and A9 with Respect
Supply Voltage with
Respect to Ground
to Ground
Respect to Ground
C
V
I
t
V
I
I
V
V
t
C
V
I
I
t
t
t
SB1
SB2
CC1
ACC
I
OE
OH
OUT
PP
LO
CE
DF
OH
LI
OL
PP
IH
IL
IN
Input Capacitance
Output Capacitance V
Input Low Level
Input High Level
Output Low Voltage
Output High Voltage
V
(CMOS)
V
V
TTL Inputs
V
V
Input Load Current
Output Leakage Current
Address to Output Delay
CE to Output Delay
OE to Output Delay
Output Disable to
Output Float
Output Hold from
Addresses,
CE or OE, Whichever
Occurred First
CC
CC
CC
PP
PP
Parameter
(Note 2) T
Supply Current
Read Voltage
Standby Current
Standby Current (TTL)
Active Current
Parameter
Parameter
A
= +25˚C, f = 1 MHz
V
Conditions Typ Max Units
IN
OUT
= 0V
= 0V
(Note 1)
-65 C to +150 C
Min Max Min Max Min Max Min Max Min Max
Over Operating Range with V
Over Operating Range with V
0
-0.7V to +14V
-0.6V to +7V
-0.6V to +7V
90
I
I
CE = V
CE = V
CE = OE = V
Inputs = V
V
V
V
OL
OH
PP
IN
OUT
90
90
35
30
= 2.1 mA
= -2.5 mA
= 5.5V or GND
= V
= 5.5V or GND
6
9
Test Conditions
CC
IH
CC
IH
0
0.3V
3
or V
12
12
100
IL
,f=5 MHz
ESD Protection
All Output Voltages with
Operating Range
IL
100
100
50
30
, I/O = 0 mA
Industrial
Range
Comm’l
Respect to Ground
pF
pF
0
120
PP
PP
120
120
50
35
= V
= V
Temperature
CC
CC
-40 C to +85 C
0 C to +70 C
V
0
CC
Min
150
-0.5
-10
2.0
3.5
-1
- 0.7
150
150
50
45
V
CC
0
+ 1.0V to GND -0.6V
V
Max
200
CC
100
V
0.8
0.4
35
10
10
1
1
CC
+1
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200
200
50
45
+5V 10%
+5V 10%
V
> 2000V
Units
Units
CC
mA
mA
ns
V
V
V
V
V
A
A
A
A