mpc2107 Freescale Semiconductor, Inc, mpc2107 Datasheet - Page 17

• Manufacturer Part Number: mpc2107
• Description: 256kb And 512kb Burstramtm Secondary Cache Mod
• Manufacturer: Freescale Semiconductor, Inc

Input Timing Measurement Reference Level
Input Pulse Levels
Input Rise/Fall Time
TAG RAM READ CYCLE
NOTES:
TAG RAM WRITE CYCLE
NOTES:
MOTOROLA FAST SRAM
Clock Access Time
Output Enable to Output Valid
Output Enable to Output Active
Output Disable to Q High–Z
Status Bit Hold from Address Change
Address Access Time Status Bits
Tag Bit Hold from Address Change
Address Access Time Tag Bits
Cycle Time
Clock High Pulse Width
Clock Low Pulse Width
Clock High to Output Active
Set–up Times
Hold Times
Status Output Hold
Clock High to Status Bits Valid
1. Set–up and hold times, W (write) referes 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.
1. Set–up and hold times, W (write) referes 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.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TAG RAM AC OPERATING CONDITIONS AND CHARACTERISTICS
(See Notes 1 through 4)
(See Notes 1 through 4)
Parameter
Parameter
(V CC = 5.0 V
. . . . . . . . . . . . . . .
5%, T A = 0 to + 70 C, Unless Otherwise Noted)
0 to 3.0 V
1.5 V
Address
Address
3 ns
Write
Write
Output Timing Measurement Reference Level
Output Load
Symbol
Symbol
t GHQZ
t WVKH
t KHWX
t KHQV
t GLQV
t GLQX
t KHKH
t KHQX
t AXSX
t AVSV
t AVQX
t AVQV
t KHKL
t KLKH
t AVKH
t KHAX
t KHSX
t KHSV
. . . . . . . . . . . . . . . .
MPC2104 MPC2105 MPC2106 MPC2107
Min
Min
1.5
4.5
4.5
1.5
15
—
—
—
—
—
0
1
3
3
3
0
Tag RAM
Tag RAM
Figure 1A Unless Otherwise Noted
Max
Max
10
10
12
—
—
—
—
—
—
—
—
—
—
8
6
9
Unit
Unit
. . . . . . . . . . . . .
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Notes
Notes
1.5 V
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