IDT70V27 Integrated Device Technology, IDT70V27 Datasheet - Page 6

• Manufacturer Part Number: IDT70V27
• Description: 32k X 16 3.3v Dual-port Ram
• Manufacturer: Integrated Device Technology

DC Electrical Characteristics Over the Operating
Temperature and Supply Voltage Range
NOTES:
1. 'X' in part numbers indicates power rating (S or L).
2. V
3. At f = f
4. f = 0 means no address or control lines change.
5. Port "A" may be either left or right port. Port "B" is the opposite from port "A".
6. Refer to Chip Enable Truth Table.
Symbol
IDT 70V27S/L
High-Speed 3.3V 32K x 16 Dual-Port Static RAM
I
I
I
levels of GND to 3V.
I
I
SB2
SB3
SB4
SB1
DD
DD
= 3.3V, T
MAX
Dynamic Operating
Current
(Both Ports Active)
Standby Current
(Both Ports - TTL Level
Inputs)
Standby Current
(One Port - TTL Level
Inputs)
Full Standby Current
(Both Ports - All
CMOS Level Inputs)
Full Standby Current
(One Port - All CMOS
Level Inputs)
,
address and control lines (except Output Enable) are cycling at the maximum frequency read cycle of 1/t
A
= +25°C, and are not production tested. I
Parameter
Both Ports CE
CE = V
SEM = V
f = f
CE
SEM
f = f
CE
Active Port Outputs Disabled,
f=f
SEM
CE
V
V
SEM
CE
CE
SEM
V
Active Port Outputs Disabled
f = f
IN
IN
IN
MAX
L
"A"
R
"A"
"B"
> V
< 0.2V, f = 0
> V
MAX
MAX
MAX
= CE
R
R
R
R
> V
(3)
= V
< 0.2V and
> V
= SEM
= SEM
= SEM
= SEM
IL
(3)
(3)
DD
DD
(3)
, Outputs Disabled
DD
IH
R
IL
DD
Test Condition
- 0.2V or
- 0.2V or V
- 0.2V
= V
and CE
- 0.2V
L
L
L
L
L
= V
= V
> V
> V
IH
and
(4)
DD
IH
IH
(5)
DD
"B"
DD
IN
- 0.2V
- 0.2V
= V
DC
< 0.2V
IH
= 90mA (Typ.)
(5)
COM'L
IND'L
COM'L
IND'L
COM'L
IND'L
COM'L
IND'L
COM'L
IND'L
Version
6
S
S
S
S
S
S
S
S
S
S
L
L
L
L
L
L
L
L
L
L
(1,6)
Typ.
170
170
____
____
____
____
115
115
____
____
1.0
0.2
____
____
115
115
____
____
44
44
Com'l Only
(V
70V27X15
Commercial and Industrial Temperature Range
(2)
DD
Max.
= 3.3V ± 0.3V)
260
225
____
____
____
____
160
145
____
____
____
____
155
140
____
____
70
60
6
3
Typ.
165
165
165
105
105
105
0.2
0.2
105
105
105
Com'l & Ind
____
____
____
1.0
____
____
39
39
39
70V27X20
(2)
RC,
and using “AC Test Conditions” of input
Max.
255
220
230
155
140
150
150
135
145
____
____
____
____
____
60
50
55
6
3
6
Typ.
145
145
____
____
____
____
____
____
1.0
0.2
____
____
____
____
27
27
90
90
90
90
Com'l Only
70V27X25
(2)
Max.
245
210
150
135
145
130
____
____
____
____
____
____
____
____
____
____
50
40
6
3
3603 tbl 10a
Unit
mA
mA
mA
mA
mA