IS62C256
OPERATING RANGE
Range
Commercial
Industrial
Ambient Temperature
0°C to +70°C
–40°C to +85°C
V
CC
5V
±
10%
5V
±
10%
ISSI
®
DC ELECTRICAL CHARACTERISTICS
Symbol
V
OH
V
OL
V
IH
V
IL
I
LI
I
LO
Parameter
Output HIGH Voltage
Output LOW Voltage
Input HIGH Voltage
Input LOW Voltage
(1)
Input Leakage
Output Leakage
GND
≤
V
IN
≤
V
CC
GND
≤
V
OUT
≤
V
CC
,
Outputs Disabled
Com.
Ind.
Com.
Ind.
Test Conditions
V
CC
= Min., I
OH
= –1.0 mA
V
CC
= Min., I
OL
= 2.1 mA
Min.
2.4
—
2.2
–0.3
–2
–10
–2
–10
Max.
—
0.4
V
CC
+ 0.5
0.8
2
10
2
10
Unit
V
V
V
V
µA
µA
Note:
1. V
IL
= –3.0V for pulse width less than 10 ns.
POWER SUPPLY CHARACTERISTICS
(1)
(Over Operating Range)
Symbol
I
CC
1
I
CC
2
I
SB
1
Parameter
Vcc Operating
Supply Current
Vcc Dynamic Operating
Supply Current
TTL Standby Current
(TTL Inputs)
CMOS Standby
Current (CMOS Inputs)
Test Conditions
V
CC
= Max.,
CS
= V
IL
I
OUT
= 0 mA, f = 0
V
CC
= Max.,
CS
= V
IL
I
OUT
= 0 mA, f = f
MAX
V
CC
= Max.,
V
IN
= V
IH
or V
IL
CS
≥
V
IH
, f = 0
V
CC
= Max.,
CS
≥
V
CC
– 0.2V,
V
IN
≥
V
CC
– 0.2V, or
V
IN
≤
0.2V, f = 0
-45 ns
Min. Max.
— 60
— 70
— 70
— 80
—
5
— 10
—
—
0.5
1.0
-70 ns
Min. Max.
—
60
—
70
—
65
—
75
—
5
—
10
—
—
0.5
1.0
Unit
mA
mA
mA
Com.
Ind.
Com.
Ind.
Com.
Ind.
Com.
Ind.
I
SB
2
mA
Note:
1. At f = f
MAX
, address and data inputs are cycling at the maximum frequency, f = 0 means no input lines change.
CAPACITANCE
(1,2)
Symbol
C
IN
C
OUT
Parameter
Input Capacitance
Output Capacitance
Conditions
V
IN
= 0V
V
OUT
= 0V
Max.
8
10
Unit
pF
pF
Notes:
1. Tested initially and after any design or process changes that may affect these parameters.
2. Test conditions: T
A
= 25°C, f = 1 MHz, Vcc = 5.0V.
Integrated Silicon Solution, Inc. — 1-800-379-4774
SR072-1E
05/12/99
3
ISSI [ INTEGRATED SILICON SOLUTION, INC ]
