28C256T
256K EEPROM (32K x 8-Bit) EEPROM
TABLE 4. 28C256T RECOMMENDED OPERATING CONDITIONS
PARAMETER
SYMBOL
MIN
MAX
UNITS
Supply Voltage
Input Voltage
VCC
4.5
5.5
V
VIL
VIH
VH
-0.31
2.2
CC -0.5
0.8
CC +0.3
V
V
V
V
V
V
CC +1
0.87
0.86
125
Thermal Impedance — Flat Package
Thermal Impedance — DIP Package
Operating Temperature Range
JC
JC
TOPR
--
--
°C/W
°C/W
°C
-55
1. VIL min= -1.0V for pulse width < 50 ns.
TABLE 5. 28C256T CAPACITANCE
(TA = 25 °C, f = 1 MHz)
PARAMETER
SYMBOL
MIN
MAX
UNITS
Input Capacitance: VIN = 0V 1
Output Capacitance: VOUT = 0V 1
CIN
--
--
6
pF
pF
COUT
12
1. Guaranteed by design.
TABLE 6. 28C256T DC ELECTRICAL CHARACTERISTICS
(VCC =5.0 V ± 10%, TA = -55 TO +125 °C UNLESS OTHERWISE SPECIFIED)
PARAMETER
CONDITIONS
SYMBOL
MIN
MAX
UNITS
Input Leakage Current
Output Leakage Current
Standby VCC Current
VCC = 5.5 V, VIN = 5.5 V
ILI
--
--
--
--
--
2
2
uA
uA
V
CC =5.5 V, VOUT =5.5 V/0.4 V
ILO
CE = VCC
ICC1
ICC2
ICC3
20
1
uA
CE = VIH
mA
mA
Operating VCC Current
IOUT = 0 mA Duty = 100%
15
V
CC =5.5V Cycle = 1 us
OUT = 0mA Duty = 100%
CC = 5.5 V Cycle = 150 ns
I
V
--
50
Input Low Voltage
Input High Voltage
VIL
VIH
VH
--
2.2
0.8
--
V
V
V
V
V
VCC -0.5
--
--
Output Low Voltage
Output High Voltage
I
LO = 2.1 mA
OH = -400 uA
VOL
VOH
0.4
--
I
2.4
All data sheets are subject to change without notice
3
03.20.15 Rev 6
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