IDT70261 Ver la hoja de datos (PDF) - Integrated Device Technology
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IDT70261 Datasheet PDF : 19 Pages
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IDT70261S/L
High-Speed 16K x 16 Dual-Port Static RAM with Interrupt
Industrial and Commercial Temperature Ranges
DC Electrical Characteristics Over the Operating
Temperature and Supply Voltage Range(1) (VCC = 5.0V ± 10%)
Symbol
ICC
Parameter
Dynamic Operating Current
(Both Ports Active)
Test Condition
CE = VIL, Outputs Open
SEM = VIH
f = fMAX(3)
ISB1 Standby Current
(Both Ports - TTL Level
Inputs)
CEL = CER = VIH
SEMR = SEML = VIH
f = fMAX(3)
ISB2
Standby Current
CE"A" = VIL and CE"B" = VIH(5)
(One Port - TTL Level Inputs) Active Port Outputs Open,
f=fMAX(3)
SEMR = SEML = VIH
ISB3
Full Standby Current (Both Both Ports CEL and
Ports - All CMOS Level
CER > VCC - 0.2V
Inputs)
VIN > VCC - 0.2V or
VIN < 0.2V, f = 0(4)
SEMR = SEML > VCC - 0.2V
ISB4
Full Standby Current
CE"A" < 0.2V and
(One Port - All CMOS Level CE"B" > VCC - 0.2V(5)
Inputs)
SEMR = SEML > VCC - 0.2V
VIN > VCC - 0.2V or VIN < 0.2V
Active Port Outputs Open
f = fMAX(3)
Version
COM'L
S
L
IND
S
L
COM'L
S
L
IND
S
L
COM'L
S
L
70261X15
Com'l Only
Typ.(2) Max.
190 325
190 285
____
____
____
____
35
95
35
70
____
____
____
____
125 220
125 190
70261X20
Com'l & Ind
Typ.(2) Max.
180 315
180 275
180 355
180 315
30
85
30
60
30
100
30
80
115 210
115 180
IND
COM'L
IND
COM'L
IND
S
____
____
115 245
L
____
____
115 210
S 1.0
15
1.0
15
L 0.2
5
0.2
5
S
____
____
1.0
30
L
____
____
0.2
10
S 120 195 110 185
L 120 170 110 160
S
____
____
110 210
L
____
____
110 185
Symbol
ICC
Parameter
Dynamic Operating
Current
(Both Ports Active)
Test Condition
CE = VIL, Outputs Open
SEM = VIH
f = fMAX(3)
ISB1 Standby Current
(Both Ports - TTL Level
Inputs)
CEL = CER = VIH
SEMR = SEML = VIH
f = fMAX(3)
ISB2
Standby Current
(One Port - TTL Level
Inputs)
ISB3
Full Standby Current
(Both Ports - All CMOS
Level Inputs)
ISB4
Full Standby Current
(One Port - All CMOS
Level Inputs)
CE"A" = VIL and CE"B" = VIH(5)
Active Port Outputs Open,
f=fMAX(3)
SEMR = SEML = VIH
Both Ports CEL and
CER > VCC - 0.2V
VIN > VCC - 0.2V or
VIN < 0.2V, f = 0(4)
SEMR = SEML > VCC - 0.2V
CE"A" < 0.2V and
CE"B" > VCC - 0.2V(5)
SEMR = SEML > VCC - 0.2V
VIN > VCC - 0.2V or VIN < 0.2V
Active Port Outputs Open
f=fMAX(3)
Version
COM'L
S
L
IND
S
L
COM'L
S
L
IND
S
L
COM'L
S
L
IND
S
L
COM'L
S
L
IND
S
L
COM'L
S
L
IND
S
L
70261X35
Com'l & Ind
Typ.(2) Max.
160 295
160 255
160 335
160 295
20
85
20
60
20
100
20
80
95
185
95
155
95
215
95
185
1.0
15
0.2
5
1.0
30
0.2
10
90
160
90
135
90
190
90
165
NOTES:
1. 'X' in part numbers indicates power rating (S or L).
2. VCC = 5V, TA = +25°C, and are not production tested. ICCDC = 120mA (Typ.)
3. At f = fMAX, address and control lines (except Output Enable) are cycling at the maximum frequency read cycle of 1/tRC, and using
“AC Test Conditions” of input levels of GND to 3V.
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".
70261X25
Com'l & Ind
Typ.(2) Max. Unit
170 305 mA
170 265
170 345
170 305
25
85 mA
25
60
25
100
25
80
105 200 mA
105 170
105 230
105 200
1.0
15 mA
0.2
5
1.0
30
0.2
10
100 170 mA
100 145
100 200
100 175
3039 tbl 10
70261X55
Com'l & Ind
Typ.(2) Max. Unit
150 270 mA
150 230
150 310 mA
150 270
13
85 mA
13
60
13
100 mA
13
80
85
165 mA
85
135
85
195 mA
85
165
1.0
15 mA
0.2
5
1.0
30 mA
0.2
10
80
135 mA
80
110
80
175 mA
80
150
3039 tbl 11
6.542
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