IDT71256SA20TPG IDT, Integrated Device Technology Inc, IDT71256SA20TPG Datasheet - Page 3

• Manufacturer Part Number: IDT71256SA20TPG
• Description: IC SRAM 256KBIT 20NS 28DIP
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of IDT71256SA20TPG

• Format - Memory: RAM
• Memory Type: SRAM
• Memory Size: 256K (32K x 8)
• Speed: 20ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 28-DIP (0.300", 7.62mm)
• Density: 256Kb
• Access Time (max): 20ns
• Sync/async: Asynchronous
• Architecture: Not Required
• Clock Freq (max): Not RequiredMHz
• Operating Supply Voltage (typ): 5V
• Address Bus: 15b
• Package Type: PDIP
• Operating Temp Range: 0C to 70C
• Number Of Ports: 1
• Supply Current: 145mA
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Commercial
• Mounting: Through Hole
• Pin Count: 28
• Word Size: 8b
• Number Of Words: 32K
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 71256SA20TPG; 800-1430; 800-1430-5; 800-1430

DC Electrical Characteristics
(V
DC Electrical Characteristics
(V
NOTES:
1. All values are maximum guaranteed values.
2. f
AC Test Conditions
Input Pulse Levels
Input Rise/Fall Times
Input Timing Reference Levels
Output Reference Levels
AC Test Load
IDT71256SA
CMOS Static RAM 256K (32K x 8-Bit)
Symbol
CC
CC
Symbol
MAX
I
I
I
SB1
CC
SB
V
V
|I
|I
LO
OH
LI
OL
= 5.0V ± 10%)
= 1/t
= 5.0V ± 10%, V
|
|
DATA
RC
Dynamic Operating Current
Standby Power Supply Current (TTL Level)
Standby Power Supply Current (CMOS Level)
CS < V
CS > V
CS > V
V
(all address inputs are cycling at f
IN
Input Leakage Current
Output Leakage Current
Output Low Voltage
Output High Voltage
< V
OUT
30pF*
IL
IH
HC
LC
, Outputs Open, V
, Outputs Open, V
, Outputs Open, V
or V
Figure 1. AC Test Load
IN
Parameter
> V
LC
HC
Parameter
= 0.2V, V
CC
CC
CC
= Max., f = f
5V
= Max., f = f
= Max., f = 0
MAX
480Ω
255Ω
See Figures 1 and 2
); f = 0 means no address input lines are changing.
2948 drw 03
HC
GND to 3.0V
I
I
V
V
OL
OH
MAX
MAX
CC
CC
(2)
1.5V
1.5V
= V
= 8mA, V
3ns
= -4mA, V
*Including jig and scope capacitance.
(2)
,
= Max., V
= Max., CS = V
(2)
(1)
,
CC
2948 tbl 07
–0.2V)
CC
CC
IN =
71256SA12
= Min.
= Min.
GND to V
6.42
160
50
15
IH
3
, V
Test Conditions
NOTE:
1. This parameter is guaranteed by device characterization, but not production
Capacitance
(T
C
C
OUT
IN
I/O
Symbol
A
tested.
CC
= GND to V
= +25°C, f = 1.0MHz, SOJ package)
DATA
71256SA15
Input Capacitance
I/O Capacitance
150
40
15
CC
OUT
Commercial and Industrial Temperature Ranges
(for t
5pF*
Parameter
CLZ
Figure 2. AC Test Load
, t
OLZ
(1)
71256SA20
, t
CHZ
145
40
15
, t
OHZ
5V
, t
V
Conditions
V
Min.
OUT
2.4
OW,
___
___
___
IN
480Ω
255Ω
IDT71256SA
= 3dV
2948 drw 04
= 3dV
and t
71256SA25
WHZ
145
40
15
Max.
)
0.4
___
5
5
Max.
.
7
7
2948 tbl 05
2948 tbl 06
2948 tbl 08
Unit
µ A
µ A
Unit
Unit
mA
mA
mA
V
V
pF
pF