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參數(shù)資料
| 型號： | MCM67C618BFN7 |
| 廠商： | MOTOROLA INC |
| 元件分類： | DRAM |
| 英文描述： | 64K x 18 Bit BurstRAM Synchronous Fast Static RAM |
| 中文描述： | 64K X 18 CACHE SRAM, 7 ns, PQCC52 |
| 封裝： | PLASTIC, LCC-52 |
| 文件頁數(shù)： | 4/12頁 |
| 文件大?。?/td> | 201K |
| 代理商： | MCM67C618BFN7 |
MCM67C618B
4
MOTOROLA FAST SRAM
DC OPERATING CONDITIONS AND CHARACTERISTICS
(VCC = 5.0 V
±
5%, TA = 0 to + 70
°
C, Unless Otherwise Noted)
RECOMMENDED OPERATING CONDITIONS
(Voltages Referenced to VSS = 0 V)
Parameter
Symbol
Min
Max
Unit
Supply Voltage (Operating Voltage Range)
VCC
VIH
VIL
4.75
5.25
V
Input High Voltage
2.2
VCC + 0.3**
0.8
V
Input Low Voltage
– 0.5*
V
*VIL (min) = – 0.5 V dc; VIL (min) = – 2.0 V ac (pulse width
≤
20 ns) for I
≤
20.0 mA.
**VIH (max) = VCC + 0.3 V dc; VIH (max) = VCC + 2.0 V ac (pulse width
≤
20 ns) for I
≤
20.0 mA.
DC CHARACTERISTICS
Parameter
Symbol
Min
Max
Unit
Input Leakage Current (All Inputs, Vin = 0 to VCC)
Output Leakage Current (G = VIH)
AC Supply Current (G = VIH, E = VIL, Iout = 0 mA, All Inputs = VIL or VIH,
VIL = 0.0 V and VIH
≥
3.0 V, Cycle Time
≥
tKHKH min)
Ilkg(I)
Ilkg(O)
ICCA5
ICCA7
—
±
1.0
μ
A
—
±
1.0
μ
A
—
310
290
mA
AC Standby Current (E = VIH, Iout = 0 mA, All Inputs = VIL and VIH,
VIL = 0.0 V and VIH
≥
3.0 V, Cycle Time
≥
tKHKH min)
ISB1
—
95
mA
Output Low Voltage (IOL = + 8.0 mA)
Output High Voltage (IOH = – 4.0 mA)
NOTE: Good decoupling of the local power supply should always be used. DC characteristics are guaranteed for all possible i486 and Pentium
bus cycles.
VOL
VOH
—
0.4
V
2.4
3.3
V
CAPACITANCE
(f = 1.0 MHz, dV = 3.0 V, TA = 25
°
C, Periodically Sampled Rather Than 100% Tested)
Parameter
Symbol
Typ
Max
Unit
Input Capacitance (All Pins Except DQ0 – DQ17)
Cin
CI/O
4
5
pF
Input/Output Capacitance (DQ0 – DQ17)
6
8
pF
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