27C256T
256K (32K x 8-Bit) OTP EPROM
TABLE 4. 27C256T RECOMMENDED OPERATING CONDITIONS
PARAMETER
SYMBOL
MIN
MAX
UNITS
Supply Voltage
Input Voltage
V
4.5
-0.31
2.2
5.5
0.8
V
V
CC
V
IL
V
V
CC +12
+125
IH
Operating Temperature Range
TOPR
-55
°C
1. V min = -1.0V for pulse width < 50 ns.
IL
2. V max = VCC + 1.5V for pulse width < 20 ns.
IH
1
TABLE 5. 27C256T CAPACITANCE
PARAMETER
SYMBOL
MIN
MAX
UNIT
Input Capacitance
Output Capacitance
CIN
--
--
10
15
pF
pF
COUT
1. Guaranteed by design.
TABLE 6. 27C256T DC ELECTRICAL CHARACTERISTICS FOR READ OPERATION
(VCC = 5V + 10%, V = V TO V , T = -55 TO +125 °C, UNLESS OTHERWISE SPECIFIED)
PP
SS
CC
A
PARAMETER
TEST CONDITION
SYMBOL
SUBGROUPS
MIN
TYP
MAX
UNIT
Input Leakage Current
Output Leakage Current
Standby VCC Current
Operating VCC Current
V = 5.5 V
ILI
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
--
--
--
--
--
--
--
--
1
2
2
µA
µA
mA
mA
IN
VOUT = 5.5 V/0.45 V
ILO
CE = V
I
--
1
IH
cc1
IOUT = 0 mA, CE = V
ICC2
ICC3A
ICC3B
IPP1
--
30
30
50
20
--
IL
IOUT = 0 mA, f = 5 MHz
--
IOUT = 0 mA, f = 10 MHz
--
V Current
V = 5.5 V
--
µA
V
PP
PP
Input Voltage
V
2.2
--
--
IH
V
0.8
--
IL
Output Voltage
IOH= -400µA
IOL= 2.1 mA
V
2.4
--
--
--
V
OH
V
0.45
OL
06.24.03 REV 4
All data sheets are subject to change without notice
3
©2003 Maxwell Technologies
All rights reserved.
MAXWELL [ MAXWELL TECHNOLOGIES ]
