參數(shù)資料
型號(hào)： MCM67B618A
廠商： Motorola, Inc.
英文描述： 64K x 18 Bit BurstRAM Synchronous Fast Static RAM
中文描述： 64K的× 18位BurstRAM同步快速靜態(tài)存儲(chǔ)器
文件頁數(shù)： 4/12頁
文件大?。?/td> 155K
代理商： MCM67B618A
MCM67B618A
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
≤
20.0 ns) for I
≤
20.0 mA.
**VIH (max) = VCC + 0.3 V dc; VIH (max) = VCC + 2.0 V ac (pulse width
≤
20.0 ns) for I
≤
20.0 mA.
DC CHARACTERISTICS AND SUPPLY CURRENTS
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)
ICCA9
ICCA10
ICCA12
—
±
1.0
μ
A
—
±
1.0
μ
A
—
275
265
250
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
相關(guān)PDF資料
PDF描述
MCM67B618AFN12 64K x 18 Bit BurstRAM Synchronous Fast Static RAM
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MCM67Q909ZP12 Circular Connector; Body Material:Aluminum; Series:PT07; Number of Contacts:3; Connector Shell Size:8; Connecting Termination:Solder; Circular Shell Style:Jam Nut Receptacle; Circular Contact Gender:Socket; Insert Arrangement:8-3
MCM67Q909ZP12R Circular Connector; Body Material:Aluminum; Series:PT07; Number of Contacts:4; Connector Shell Size:8; Connecting Termination:Solder; Circular Shell Style:Jam Nut Receptacle; Circular Contact Gender:Pin; Insert Arrangement:8-4
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