AM27C256-120EC AMD [Advanced Micro Devices], AM27C256-120EC Datasheet - Page 9

• Manufacturer Part Number: AM27C256-120EC
• Description: 256 Kilobit (32,768 x 8-Bit) CMOS EPROM
• Manufacturer: AMD [Advanced Micro Devices]

DC CHARACTERISTICS over operating range unless otherwise specified.
(Notes 1, 2 and 4)
2-40
Notes:
1. V
2. Caution: The Am27C256 must not be removed from (or inserted into) a socket when V
3. I
4. Minimum DC Input Voltage is –0.5 V. During transitions, the inputs may overshoot to –2.0 V for periods less than 20 ns.
Parameter
Symbol
Maximum DC Voltage on output pins is V
V
I
I
I
I
CC1
V
AMD
V
V
I
CC1
CC2
CC3
PP1
CC
I
LO
OH
OL
LI
IH
IL
must be applied simultaneously or before V
is tested with OE = V
30
25
20
15
10
1
Parameter Description
Output HIGH Voltage
Output LOW Voltage
Input HIGH Voltage
Input LOW Voltage
Input Load Current
Output Leakage Current
V
(Note 3)
V
V
V
Figure 1. Typical Supply Current
CC
CC
CC
PP
2
Current During Read
Active Current
TTL Standby Current
CMOS Standby Current
3
V
Frequency in MHz
CC
4
vs. Frequency
= 5.5 V, T = 25 C
IH
to simulate open outputs.
5
6
7
CC
Test Conditions
I
I
V
V
CE = V
CE = V
CE = V
CE = OE = V
I
OH
OL
8
OUT
IN
OUT
+ 0.5 V, which may overshoot to V
= 2.1 mA
= –400 A
= 0 V to +V
08007H-6
= 0 mA
PP
= 0 V to +V
9
IL
IH
CC
, and removed simultaneously or after V
, f = 10 MHz,
Am27C256
10
0.3 V
IL
, V
CC
CC
PP
= V
CC
30
25
20
15
10
–75 –50 –25 0
C/I Devices
E Devices
CC
Figure 2. Typical Supply Current
+ 2.0 V for periods less than 20 ns.
V
CC
CC
Temperature in C
vs. Temperature
= 5.5 V, f = 10 MHz
or V
PP
–0.5
.
Min
2.4
2.0
25
PP
is applied.
50
V
75 100 125 150
CC
Max
0.45
+0.8
100
100
1.0
1.0
5.0
1.0
25
+ 0.5
08007H-7
Unit
mA
mA
V
V
V
V
A
A
A
A