DC CHARACTERISTICS over operating range unless otherwise specified (Notes 1-4)
TTL/NMOS Compatible
Parameter
Symbol
Parameter Description
Input Leakage Current
Test Conditions
= V Max, V = V or V
SS
Min
Typ
Max
±1.0
±1.0
1.0
Unit
µA
I
V
V
V
V
LI
CC
CC
CC
CC
IN
CC
I
Output Leakage Current
= V Max, V
= V or V
SS
µA
LO
CC
OUT
CC
I
V
Standby Current
= V Max, CE# = V
IH
0.2
20
mA
CCS
CC
CC
CC
V
Max, CE# = V OE# = V
IL, IH
CC = CC
I
I
V
Active Read Current
30
30
30
mA
mA
CC1
CC2
I
= 0 mA, at 6 MHz
OUT
CE# =
V
IL
V
Programming Current
20
20
CC
Programming in Progress (Note 4)
CE# =
V
IL
I
I
V
V
Erase Current
mA
µA
CC3
PPS
CC
Erasure in Progress (Note 4)
Standby Current
V
V
V
V
= V
= V
= V
= V
±1.0
200
PP
PP
PP
PP
PP
PPL
PPH
PPL
PPH
70
I
V
Read Current
µA
PP1
PP
±1.0
I
I
V
V
Programming Current
Erase Current
10
10
30
mA
mA
PP2
PP3
PP
Programming in Progress (Note 4)
V
= V
PP
PPH
30
PP
Erasure in Progress (Note 4)
V
Input Low Voltage
–0.5
2.0
0.8
V
V
IL
V
Input High Voltage
V
+ 0.5
IH
CC
V
Output Low Voltage
Output High Voltage
A9 Auto Select Voltage
A9 Auto Select Current
I
I
= 5.8 mA, V = V Min
0.45
V
OL
OL
CC
CC
V
= –2.5 mA, V = V Min
2.4
V
OH1
OH
CC
CC
V
A9 = V
11.5
13.0
50
V
ID
ID
I
A9 = V Max, V = V Max
5
µA
ID
ID
CC
CC
V
during Read-Only
Note: Erase/Program are inhibited
when V = V
PP
V
0.0
V
+2.0
CC
V
PPL
Operations
PP
PPL
V
during Read/Write
PP
V
V
11.4
3.2
12.6
V
V
PPH
Operations
Low V Lock-out Voltage
3.7
LKO
CC
Notes:
1. Caution: The Am28F256A must not be removed from (or inserted into) a socket when V or V is applied. If V ð 1.0
CC
PP
CC
volt, the voltage difference between V and V should not exceed 10.0 volts. Also, the Am28F256A has a V rise time
PP
CC
PP
and fall time specification of 500 ns minimum.
2. I
is tested with OE# = V to simulate open outputs.
IH
CC1
3. Maximum active power usage is the sum of I and I
.
PP
CC
4. Not 100% tested.
Am28F256A
21
SPANSION [ SPANSION ]
