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MCM72BA32 Datasheet(PDF) 7 Page - Motorola, Inc

Part # MCM72BA32
Description  256KB and 512KB BurstRAM Secondary Cache Module for Pentium
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Manufacturer  MOTOROLA [Motorola, Inc]
Direct Link  http://www.freescale.com
Logo MOTOROLA - Motorola, Inc

MCM72BA32 Datasheet(HTML) 7 Page - Motorola, Inc

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MCM72BA32
•MCM72BA64
7
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
4.75
5.25
V
Input High Voltage
VIH
2.2
VCC + 0.3**
V
Input Low Voltage
VIL
– 0.5*
0.8
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)
Ilkg(I)
± 1.0
µA
Output Leakage Current (G = VIH)
Ilkg(O)
± 1.0
µA
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)
ICCA66
ICCA60
ICCA50
1100
1100
1000
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
300
mA
Output Low Voltage (IOL = + 8.0 mA)
VOL
0.4
V
Output High Voltage (IOH = – 4.0 mA)
VOH
2.4
3.3
V
NOTE: Good decoupling of the local power supply should always be used. DC characteristics are guaranteed for all possible Pentium bus cycles.
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
(A0 – A15, ADSP, ADSC, ADV)
Cin
25
32
pF
Input/Output Capacitance
(DQ0 – DQ63, DQP0 – DQP7)
CI/O
8
10
pF
Input Capacitance
(Kx, Gx, Ex, Wx)
Cin
12
15
pF


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