IDT7133SA/LA,IDT7143SA/LA
High-Speed 2K x 16 Dual-Port RAM
Military, Industrial and Commercial Temperature Ranges
AC Electrical Characteristics Over the
OperatingTemperatureandSupplyVoltage(3)
7133X20
7143X20
7133X25
7143X25
Com'l, Ind
& Military
7133X35
7143X35
Com'l, Ind
& Military
Com'l Only
Symbol
Parameter
Min.
Max.
Min.
Max.
Min.
Max.
Unit
READ CYCLE
____
____
____
t
RC
AA
ACE
AOE
OH
LZ
HZ
PU
PD
Read Cycle Time
20
25
35
ns
ns
ns
ns
ns
ns
ns
ns
____
____
____
t
Address Access Time
20
20
25
25
35
35
____
____
____
____
____
____
t
Chip Enable Access Time
t
Output Enable Access Time
Output Hold from Address Change
Output Low-Z Time(1,2)
12
15
20
____
____
____
t
0
0
0
____
____
____
t
0
0
0
Output High-Z Time(1,2)
12
15
20
____
____
____
t
t
Chip Enable to Power Up Time(2)
Chip Disable to Power Down Time(2)
0
0
0
____
____
____
____
____
____
t
20
50
50
ns
2746 tbl 10a
7133X45
7133X55
7143X55
Com'l, Ind
& Military
7133X70/90
7143X45
Com'l &
Military
7143X70/90
Com'l &
Military
Symbol
Parameter
Min.
Max.
Min.
Max.
Min.
Max.
Unit
READ CYCLE
____
____
____
tRC
tAA
tACE
tAOE
tOH
tLZ
Read Cycle Time
45
55
70/90
ns
ns
ns
ns
ns
ns
ns
ns
____
____
____
Address Access Time
45
45
55
55
70/90
70/90
____
____
____
____
____
____
Chip Enable Access Time
Output Enable Access Time
Output Hold from Address Change
Output Low-Z Time(1,2)
25
30
40/40
____
____
____
0
0
0/0
____
____
____
0
5
5/5
Output High-Z Time(1,2)
20
20
25/25
____
____
____
tHZ
tPU
tPD
Chip Enable to Power Up Time(2)
Chip Disable to Power Down Time(2)
0
0
0/0
____
____
____
____
____
____
50
50
50/50
ns
2746 tbl 10b
NOTES:
1. Transition is measured 0mV fromLow or High-impedance voltage with load (Figure 2).
2. This parameter is guaranteed by device characterization, but is not production tested.
3. 'X' in part number indicates power rating (SA or LA).
7
6.42