IDT71256S100DB IDT, Integrated Device Technology Inc, IDT71256S100DB Datasheet - Page 6

• Manufacturer Part Number: IDT71256S100DB
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of IDT71256S100DB

• Density: 256Kb
• Access Time (max): 100ns
• 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: 135mA
• 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

NOTES:
1. -55° to +125°C temperature range only.
2. This parameter is guaranteed by device characterization, but is not production tested.
AC Electrical Characteristics
Symbol
Read Cycle
t
t
t
t
t
t
t
t
t
Write Cycle
t
t
t
t
t
t
t
t
t
t
RC
AA
ACS
CLZ
CHZ
OE
OLZ
OHZ
OH
WC
CW
AW
AS
WP
WR
DW
WHZ
DH
OW
IDT71256S/L
CMOS Static RAM 256K (32K x 8-Bit)
(2)
(2)
(2)
(2)
(2)
(2)
Read Cycle Time
Chip Select Access Time
Chip Select to Output in Low-Z
Chip Desele ct to Output in High-Z
Output Enable to Output Valid
Output Enab le to Output in Low-Z
Output Disab le to Output in High-Z
Output Hold from Address Change
Chip Select to End-of-Write
Data to Write Time Overlap
Data Hold from Write Time (WE)
Output Active from End-of-Write
Address Access Time
Write Cycle Time
Address Valid to End-of-Write
Address Set-up Time
Write Pulse Width
Write Recovery Time
Write Enab le to Output in High-Z
Parameter
(V
CC
= 5.0V ± 10%, Military Temperature Ranges)
Min.
____
____
____
____
____
55
55
50
50
40
25
71256S55
71256L55
5
0
0
5
0
0
0
5
6
Max.
____
____
____
____
____
____
____
____
____
____
____
____
____
55
55
25
25
25
25
(1)
(1)
Military, Commercial, and Industrial Temperature Ranges
Min.
____
____
____
____
____
70
70
60
60
45
30
71256S70
71256L70
5
0
0
5
0
0
0
5
Max.
____
____
____
____
____
____
____
____
____
____
____
____
____
70
70
30
30
30
30
(1)
(1)
Min.
____
____
____
____
____
____
85
85
70
70
50
35
71256S85
71256L85
5
0
5
0
0
0
5
Max.
____
____
____
____
____
____
____
____
____
____
____
____
____
85
85
35
35
35
35
(1)
(1)
Min.
100
100
71256S100
____
____
____
____
____
____
71256L100
80
80
55
40
5
0
5
0
0
0
5
Max.
100
100
____
____
____
____
____
____
____
____
____
____
____
____
____
40
40
40
40
(1)
(1)
2946 tbl 13
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns