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參數(shù)資料
| 型號： | I4K-L67142V-55 |
| 廠商： | ATMEL CORP |
| 元件分類： | SRAM |
| 英文描述： | 2K X 8 DUAL-PORT SRAM, 55 ns, CQCC48 |
| 封裝： | LCC-48 |
| 文件頁數(shù)： | 10/14頁 |
| 文件大?。?/td> | 178K |
| 代理商： | I4K-L67142V-55 |
L67132/L67142
Rev. D (19 Fev. 97)
5
MATRA MHS
Electrical Characteristics
Absolute Maximum Ratings
Supply voltage (VCC–GND) :
–0.3 V to 7.0 V
. . . . . . . . . . . . . . . . . .
Input or output voltage applied :
(GND –0.3 V) to (VCC + 0.3 V)
. . .
Storage temperature :
–65
°C to + 150°C
. . . . . . . . . . . . . . . . . . . . . . .
* Notice
Stresses greater than those listed under ABSOLUTE MAXIMUM
RATINGS may cause permanent damage to the device.This is a stress
rating only and functional operation of the device at these or any other
conditions above those indicated in the operational sections of this
specification is not implied. Exposure to absolute maximum rating
conditions for extented periods may affect reliability.
OPERATING RANGE
OPERATING SUPPLY VOLTAGE
OPERATING TEMPERATURE
Military
VCC = 3.3 V ± 0.3 V
– 55 oC to + 125 oC
Automotive
VCC = 3.3 V ± 0.3 V
– 40 oC to + 125 oC
Commercial
VCC = 3.3 V ± 0.3 V
0 oC to + 70 oC
Industrial
VCC = 3.3 V ± 0.3 V
– 40 oC to + 85 oC
DC Parameters
ii
i
L67132/67142–4
5
L67132/67142–5
5
L67132/67142–7
0
i
Parameter
Description
Versio
n
COM
IND
MIL
AUTO
COM
IND
MIL
AUTO
COM
IND
MIL
AUTO
Unit
Value
PRELIMINARY
AUTO
ICCSB (6)
Standby supply current
(Both ports TTL level inputs)
V
L
1
5
1
10
1
5
1
10
1
5
1
10
mA
Max
ICCSB1 (7)
Standby supply current
(Both ports CMOS level inputs)
V
L
10
100
20
200
10
100
20
200
10
100
20
200
A
Max
ICCOP (8)
Operating supply current
(Both ports active)
V
L
80
90
100
70
80
90
60
70
80
mA
Max
ICCOP1 (9)
Operating supply current
(One port active – One port standby)
V
L
50
60
55
65
40
50
45
55
35
45
40
50
mA
Max
Notes :
6. CSL = CSR ≥ 2.2 V.
7. CSL = CSR ≥ VCC – 0.2 V.
8. Both ports active – Maximum frequency – Outputs open – OE = VIH.
9. One port active (f = MAX) – Output open – One port stand-by TTL or CMOS Level inputs – CSL = CSR ≥ 2.2 V.
PARAMETER
DESCRIPTION
L67132–45/55/70
L67142–45/55/70
UNIT
VALUE
II/O(10)
Input/Output leakage current
± 10
A
Max
VIL(11)
Input low voltage
0.7
V
Max
VIH(11)
Input high voltage
1.8
V
Min
VOL(12)
Output low voltage (I/O0–I/O7)
0.5
V
Max
VOL(13)
Open drain output low voltage (BUSY)
0.5
V
Max
VOH(12)
Output high voltage
1.5
V
Min
C IN(17)
Input capacitance
5
pF
Max
C OUT(17)
Output capacitance
7
pF
Max
Notes :
10. VCC = 5 V, Vin = Gnd to VCC, CS = VIH, Vout = 0 to VCC.
11. VIH max = VCC + 0.3 V, VIL min – 0.3 V or –1 V pulse width 50 ns.
12. VCC min, IOL = 4 mA, IOH = –4 mA.
13. IOL = 16 mA.
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