IDT71256L70DB IDT, Integrated Device Technology Inc, IDT71256L70DB Datasheet - Page 3

• Manufacturer Part Number: IDT71256L70DB
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of IDT71256L70DB

• Density: 256Kb
• Access Time (max): 70ns
• Sync/async: Asynchronous
• Architecture: Not Required
• Clock Freq (max): Not RequiredMHz
• Operating Supply Voltage (typ): 5V
• Address Bus: 15b
• Package Type: CDIP
• Operating Temp Range: -55C to 125C
• Number Of Ports: 1
• Supply Current: 115mA
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Military
• Mounting: Through Hole
• Pin Count: 28
• Word Size: 8b
• Number Of Words: 32K
• Lead Free Status / Rohs Status: Not Compliant

Recommended Operating
Temperature and Supply Voltage
DC Electrical Characteristics
NOTES:
1. All values are maximum guaranteed values.
2. f
Military
Industrial
Commercial
IDT71256S/L
CMOS Static RAM 256K (32K x 8-Bit)
Symbol
Symbol
MAX
I
I
I
I
I
I
SB1
SB1
CC
SB
CC
SB
Grade
= 1/t
RC
Dynamic Operating Current
Standby Power Supply Current
(TTL Level), CS > V
Outputs Open, f = f
Full Standby Power Supply Current
(CMOS Level), CS > V
Dynamic Operating Current
Standby Power Supply Current
(TTL Level), CS > V
Outputs Open, f = f
Full Standby Power Supply Current
(CMOS Level), CS > V
CS < V
V
V
CS < V
V
V
, all address inputs are cycling at f
CC
CC
CC
CC
= Max., f
= Max., f = 0
= Max., f
= Max., f = 0
IL
IL
, Outputs Open
, Outputs Open
-55
-40
Temperature
0
MAX
MAX
O
O
O
C to +70
C to +125
C to +85
(2)
(2)
MAX
MAX
IH
IH
Parameter
Parameter
, V
, V
(2)
(2)
HC
HC
O
O
C
CC
CC
O
C
,
,
C
= Max.,
= Max.,
GND
0V
0V
0V
MAX
; f = 0 means no address pins are cycling.
5V ± 10%
5V ± 10%
5V ± 10%
Vcc
(1,2)
2946 tbl 05
Power
Power
(V
S
S
S
S
L
S
L
S
L
L
L
L
6.42
CC
3
Com'l.
& Ind
Recommended DC Operating
Conditions
NOTE:
1. V
= 5.0V ± 10%, V
135
0.6
71256S/L55
71256S/L20
____
____
____
3
Symbol
GND
V
V
V
Mil.
135
115
IL
1.5
20
20
CC
3
IH
IL
(min.) = –3.0V for pulse width less than 20ns, once per cycle.
Military, Commercial, and Industrial Temperature Ranges
Mil.
____
____
____
____
____
____
Supply Voltage
Ground
Input High Voltage
Input Low Voltage
Com'l
& Ind
125
0.6
71256S/L70
71256S/L25
____
____
____
3
Parameter
Mil.
135
115
1.5
20
20
3
LC
Mil.
150
130
1.5
20
20
3
= 0.2V, V
Com'l.
& Ind
115
0.6
71256S/L85
71256S/L35
____
____
____
3
Mil.
135
115
-0.5
1.5
20
20
Min.
3
4.5
2.2
0
(1)
Mil.
140
120
1.5
20
20
HC
3
= V
Typ.
5.0
Com'l.
____
____
0
71256S/L100
____
____
____
____
____
____
71256S/L45
CC
Mil.
135
115
1.5
20
20
3
- 0.2V)
Max.
Mil.
5.5
6.0
0.8
135
115
1.5
20
20
3
0
2946 tbl 08
2946 tbl 07
2946 tbl 06
Unit
Unit
mA
mA
mA
Unit
mA
mA
mA
V
V
V
V