IDT71256L70DB IDT, Integrated Device Technology Inc, IDT71256L70DB Datasheet - Page 4

• 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

AC Test Conditions
DC Electrical Characteristics
Data Retention Characteristics Over All Temperature Ranges
(L Version Only) (V
NOTES:
1. T
2. t
3. This parameter is guaranteed by device characterization, but is not production tested.
Input Pulse Levels
Input Rise/Fall Times
Input Timing Reference Levels
Output Reference Levels
I
AC Test Load
V
t
t
CCDR
CDR
R
IDT71256S/L
CMOS Static RAM 256K (32K x 8-Bit)
DR
(3)
Symbol
Symbol
RC
V
|I
V
A
|I
LO
OH
LI
OL
= +25°C.
= Read Cycle Time.
|
|
Input Leakage Current
Output Leakage Current
Output Low Voltage
Output High Voltage
DATA
Data Retention Current
Chip Deselect to Data
Retention Time
Operation Recovery Time
V
CC
for Data Retention
Parameter
OUT
Figure 1. AC Test Load
255
Parameter
LC
= 0.2V, V
I
I
I
V
V
V
V
OL
OL
OH
5V
CC
IN =
CC
OUT
= 8mA, V
= 10mA, V
= -4mA, V
= Max.,
= Max., CS = V
GND to V
= GND to V
480
30pF*
2946 drw 04
HC
See Figures 1 and 2
Test Conditions
GND to 3.0V
= V
CC
CC
CS > V
CC
CC
= Min.
1.5V
1.5V
= Min.
5ns
= Min.
CC
*Includes scope and jig capacitances
,
CC
Test Condition
IH
HC
,
(V
- 0.2V)
MIL.
COM'L. & IND.
2946 tbl 09
____
CC
MIL.
COM"L & IND.
MIL.
COM"L & IND.
= 5.0V ± 10%)
4
Military, Commercial, and Industrial Temperature Ranges
Min.
t
Min.
RC
2.0
____
____
____
____
____
____
____
____
2.4
0
(2)
IDT71256S
DATA
(for t
Typ.
____
____
____
____
____
____
____
2.0V
____
____
____
____
____
CLZ
OUT
, t
Figure 2. AC Test Load
V
Typ.
255
CC
OLZ
Max.
0.4
0.5
____
10
10
5
5
@
(1)
, t
CHZ,
3.0V
____
____
____
____
____
t
OHZ
Min.
2.4
____
____
____
____
____
____
, t
5V
OW
2.0V
IDT71256L
500
120
____
____
____
, and t
480
Typ.
5pF*
____
____
____
____
____
____
____
2946 drw 05
V
Max.
CC
WHZ
@
)
3.0V
800
200
Max.
____
____
____
0.4
0.5
____
,
5
2
5
2
2946 tbl 10
2946 tbl 11
Unit
Unit
µ A
µ A
V
V
ns
ns
V
A