AM27C256-120DCB AMD [Advanced Micro Devices], AM27C256-120DCB Datasheet - Page 8

• Manufacturer Part Number: AM27C256-120DCB
• Description: 256 Kilobit (32 K x 8-Bit) CMOS EPRO
• Manufacturer: AMD [Advanced Micro Devices]

DC CHARACTERISTICS over operating range (unless otherwise specified)
Caution: The device must not be removed from (or inserted into) a socket when V
Notes:
1. V
2. I
3. Minimum DC Input Voltage is –0.5 V. During transitions, the inputs may overshoot to –2.0 V for periods less than 20 ns.
8
Figure 1. Typical Supply Current vs. Frequency
Parameter
Symbol
Maximum DC Voltage on output pins is V
CC1
CC
V
I
I
I
I
V
V
V
I
CC1
CC2
CC3
PP1
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
Output HIGH Voltage
Output LOW Voltage
Input HIGH Voltage
Input LOW Voltage
Input Load Current
Output Leakage Current
V
V
V
V
CC
CC
CC
PP
2
V
CC
Parameter Description
Supply Current (Read)
Active Current (Note 2)
TTL Standby Current
CMOS Standby Current
3
= 5.5 V, T = 25 C
Frequency in MHz
4
IH
5
to simulate open outputs.
6
7
CC
8
+ 0.5 V, which may overshoot to V
I
I
V
V
CE# = V
I
CE# = V
CE# = V
CE# = OE# = V
OH
OL
OUT
OUT
IN
PP
08007I-5
9
= 2.1 mA
, and removed simultaneously or after V
= –400 µA
= 0 V to V
= 0 mA
= 0 V to V
Am27C256
10
IL
IH
CC
, f = 10 MHz,
0.3 V
CC
Test Conditions
IL
CC
Figure 2. Typical Supply Current vs. Temperature
, V
PP
= V
30
25
20
15
10
CC
–75 –50 –55
C/I Devices
CC
CC
E Devices
V
CC
+ 2.0 V for periods less than 20 ns.
or V
= 5.5 V, f = 10 MHz
PP
is applied.
Temperature in C
0
PP
..
–0.5
25
Min
2.4
2.0
50 75 100 125 150
V
CC
Max
0.45
+0.8
100
100
1.0
1.0
5.0
1.0
25
+ 0.5
08007I-6
Unit
mA
mA
µA
µA
µA
µA
V
V
V
V