27C256-25/L MICROCHIP [Microchip Technology], 27C256-25/L Datasheet - Page 2

• Manufacturer Part Number: 27C256-25/L
• Description: 256K (32K x 8) Low-Voltage CMOS EPROM
• Manufacturer: MICROCHIP [Microchip Technology]

27LV256
1.0
1.1
V
V
Voltage on A9 w.r.t. V
Output voltage w.r.t. V
Storage temperature ..........................-65°C to +150°C
Ambient temp. with power applied .....-65°C to +125°C
*Notice: Stresses above those listed under “Maximum Ratings”
may cause permanent damage to the device. This is a stress rat-
ing only and functional operation of the device at those or any
other conditions above those indicated in the operation listings of
this specification is not implied. Exposure to maximum rating con-
ditions for extended periods may affect device reliability.
TABLE 1-2:
DS11020H-page 2
programming ......................................... -0.6V to +14V
Input Voltages
Input Leakage
Output Voltages
Output Leakage
Input Capacitance
Output Capacitance
Power Supply Current,
Active
Power Supply Current,
Standby
* Parts: C=Commercial Temperature Range
Note 1: Typical active current increases .75 mA per MHz up to operating frequency for all temperature ranges.
CC
PP
voltage w.r.t. V
and input voltages w.r.t. V
Parameter
ELECTRICAL
CHARACTERISTICS
Maximum Ratings*
I =Industrial Temperature Ranges
READ OPERATION DC CHARACTERISTICS
SS
SS
SS
during
...................... -0.6V to +13.5V
................-0.6V to V
SS
Part*
all
all
all
all
all
all
all
C
C
I
I
........ -0.6V to +7.25V
CMOS input
TTL input
TTL input
TTL input
TTL input
Logic "1"
Logic "0"
Logic "1"
Logic "0"
Status
—
—
—
CC
+1.0V
Symbol
I
C
CC
V
I
I
V
V
C
V
I
CC 1
CC 2
I
OUT
LO
OH
OL
LI
IH
IL
IN
(
S
V
Commercial:
Industrial:
)
CC
= +5V 10% or 3.0V where indicated
TABLE 1-1:
Min.
-0.5
2.0
-10
2.4
-10
—
—
—
—
—
O0 - O7
A0-A14
Name
V
V
V
OE
NC
NU
CE
CC
PP
SS
100 @ 3.0V
20 @ 5.0V
25 @ 5.0V
10 @ 3.0V
8 @ 3.0V
1 @ 3.0V
2 @ 3.0V
V
Max.
0.45
CC
0.8
10
10
12
6
+1
Address Inputs
Chip Enable
Output Enable
Programming Voltage
Data Output
+5V or +3V Power Supply
Ground
No Connection; No Internal
Connection
Not Used; No External Connection Is
Allowed
PIN FUNCTION TABLE
Units
mA
mA
mA
mA
mA
mA
Tamb =
Tamb = -40°C to +85°C
pF
pF
V
V
V
V
A
A
A
2004 Microchip Technology Inc.
V
I
I
V
V
f = 1 MHz
V
f = 1 MHz
V
f = 1 MHz;
OE = CE = V
I
V
V
Note 1
CE=V
OH
OL
OUT
IN
OUT
IN
OUT
IL
IH
CC
Function
= -0.1 to 0.8V;
= 2.1 mA
= 0 to V
= -400 A
= 0V; Tamb = 25 C;
= 2.0 to V
0°C to +70°C
= 5.5V; V
= 0 mA;
= 0V to V
= 0V; Tamb = 25 C;
CC
Conditions
0.2V
CC
IL
CC
PP
;
CC
;
= V
CC