mpc2106bsg66 Freescale Semiconductor, Inc, mpc2106bsg66 Datasheet - Page 12

• Manufacturer Part Number: mpc2106bsg66
• Description: 512kb And 1mb Burstramtm Secondary Cache Modules For Powerpctm Prep/chrp Platforms
• Manufacturer: Freescale Semiconductor, Inc

MPC2105A•MPC2106A•MPC2105B•MPC2106B
12
Input Timing Measurement Reference Level
Input Pulse Levels
Input Rise/Fall Time
TAG RAM READ CYCLE
NOTES:
TAG RAM WRITE CYCLE
NOTES:
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
Setup Times
Hold Times
Status Output Hold
Clock High to Status Bits Valid
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.
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.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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
3 ns
Address
Address
Write
Write
Output Timing Measurement Reference Level
Output Load
Symbol
Symbol
t WVKH
t KHWX
t KHQV
t GHQZ
t KHQX
t GLQV
t GLQX
t AXSX
t AVQX
t AVQV
t KHKH
t AVKH
t KHAX
t KHSX
t KHSV
t AVSV
t KHKL
t KLKH
. . . . . . . . . . . . . . . . .
Min
Min
1.5
4.5
4.5
1.5
15
—
—
—
—
—
0
1
3
3
3
0
Figure 1a Unless Otherwise Noted
MOTOROLA FAST SRAM
Tag RAM
Tag RAM
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
1.5 V