MPC2105C View Datasheet(PDF) - Motorola => Freescale
Part Name
Description
Manufacturer
MPC2105C
Motorola => Freescale
MPC2105C Datasheet PDF : 18 Pages
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TAG RAM AC OPERATING CONDITIONS AND CHARACTERISTICS
(VCC = 5.0 V ± 5%, TA = 0 to + 70°C, Unless Otherwise Noted)
Input Timing Measurement Reference Level . . . . . . . . . . . . . . . 1.5 V
Input Pulse Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to 3.0 V
Input Rise/Fall Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 ns
Output Timing Measurement Reference Level . . . . . . . . . . . . . 1.5 V
Output Load . . . . . . . . . . . . . . . . . . Figure 1 Unless Otherwise Noted
TAG RAM READ CYCLE (See Notes 1 through 4)
Tag RAM
Parameter
Symbol
Min
Max
Unit
Clock Access Time
tKHQV
—
10
ns
Output Enable to Output Valid
Output Enable to Output Active
Output Disable to Q High–Z
tGLQV
—
8
ns
tGLQX
0
—
ns
tGHQZ
1
6
ns
Status Bit Hold from Address Change
Address Access Time Status Bits
tAXSX
3
—
ns
tAVSV
—
10
ns
Tag Bit Hold from Address Change
tAVQX
3
Address Access Time Tag Bits
tAVQV
—
NOTES:
1. Setup and hold times, W (write) refers to TWE.
2. A read cycle is defined by TWE high. A write cycle is defined by TWE low.
3. Maximum access times are guaranteed for all possible MC68040 and PowerPC external bus cycles.
4. Tag reads are asynchronous.
—
ns
12
ns
TAG RAM WRITE CYCLE (See Notes 1 through 4)
Tag RAM
Parameter
Symbol
Min
Max
Unit
Cycle Time
tKHKH
15
—
ns
Clock High Pulse Width
Clock Low Pulse Width
tKHKL
tKLKH
4.5
—
ns
4.5
—
ns
Clock High to Output Active
Setup Times
tKHQX
1.5
—
ns
Address
tAVKH
3
—
ns
Write
tWVKH
Hold Times
Address
tKHAX
1.5
—
ns
Write
tKHWX
Status Output Hold
tKHSX
0
Clock High to Status Bits Valid
tKHSV
—
NOTES:
1. Setup and hold times, W (write) refers to TWE.
2. A read cycle is defined by TWE high. A write cycle is defined by TWE low.
3. Maximum access times are guaranteed for all possible MC68040 and PowerPC external bus cycles.
4. Tag writes are synchronous.
—
ns
9
ns
MPC2105C•MPC2106C
12
MOTOROLA FAST SRAM
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