256K (32K x 8-Bit) OTP EPROM
T
ABLE
4. 27C256T R
ECOMMENDED
O
PERATING
C
ONDITIONS
P
ARAMETER
Supply Voltage
Input Voltage
Operating Temperature Range
1. V
IL
min = -1.0V for pulse width < 50 ns.
2. V
IH
max = V
CC
+ 1.5V for pulse width < 20 ns.
S
YMBOL
V
CC
V
IL
V
IH
T
OPR
M
IN
4.5
-0.3
1
2.2
-55
27C256T
M
AX
5.5
0.8
V
CC
+1
2
+125
°
C
U
NITS
V
V
T
ABLE
5. 27C256T C
APACITANCE 1
PARAMETER
Input Capacitance
Output Capacitance
1. Guaranteed by design.
SYMBOL
C
IN
C
OUT
MIN
--
--
MAX
10
15
UNIT
pF
pF
Memory
T
ABLE
6. 27C256T DC E
LECTRICAL
C
HARACTERISTICS FOR
R
EAD
O
PERATION
(V
CC
= 5V + 10%, V
PP
= V
SS TO
V
CC
, T
A
= -55
TO
+125
°
C,
UNLESS OTHERWISE SPECIFIED
)
PARAMETER
Input Leakage Current
Output Leakage Current
Standby V
CC
Current
Operating V
CC
Current
TEST CONDITION
V
IN
= 5.5 V
V
OUT
= 5.5 V/0.45 V
CE = V
IH
I
OUT
= 0 mA, CE = V
IL
I
OUT
= 0 mA, f = 5 MHz
I
OUT
= 0 mA, f = 10 MHz
V
PP
Current
Input Voltage
Output Voltage
I
OH
= -400µ A
I
OL
= 2.1 mA
V
PP
= 5.5 V
SYMBOL
I
LI
I
LO
I
cc1
I
CC2
I
CC3A
I
CC3B
I
PP1
V
IH
V
IL
V
OH
V
OL
S
UBGROUPS
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
MIN
--
--
--
--
--
--
--
2.2
--
2.4
--
--
--
TYP
--
--
--
--
--
--
1
--
MAX
2
2
1
30
30
50
20
--
0.8
--
0.45
V
µA
V
UNIT
µA
µA
mA
mA
06.24.03 REV 4
All data sheets are subject to change without notice
3
©2003 Maxwell Technologies
All rights reserved.
MAXWELL [ MAXWELL TECHNOLOGIES ]
