AM79C987 AMD [Advanced Micro Devices], AM79C987 Datasheet - Page 22

• Manufacturer Part Number: AM79C987
• Description: Hardware Implemented Management Information Base (HIMIB) Device
• Manufacturer: AMD [Advanced Micro Devices]

SWITCHING CHARACTERISTICS
Note:
1. See IMR+ data sheet for reset.
22
Clock and Reset Timing
Expansion Port
Management Port
Port Activity Monitor
Symbol
Symbol
Symbol
Symbol
tDJHOLD
tCAHLD
tCRSTS
tCRSTH
tDJSET
tCASET
tSCKD
tSCKR
tRSTS
tRSTH
tSCKF
tCKH
tCKR
tSOS
tSOH
tCKL
tCKF
tRST
tSID
tCK
Description
Clock Period
Clock High
Clock Low
Clock Rise Time
Clock Fall Time
Reset Pulse Width
Reset Input Setup Time with Respect to CK
Reset Input Hold Time with Respect to CK
Description
DAT/JAM Setup Time
DAT/JAM Hold Time
COL/ACK Setup Time
COL/ACK Hold Time
Description
SCLK Clock Delay with Respect to CK
SCLK Rise Time with Respect to CK
SCLK Fall Time with Respect to CK
SO Input Setup Time with
Respect to CK Rising Edge
SO Input Hold Time with
Respect to CK Rising Edge
SI Output Delay with
Respect to CK Rising Edge
Description
CRS Setup Time with
Respect to CK Rising Edge
CRS Hold Time with Respect
to CK Rising Edge
P R E L I M I N A R Y
Am79C987
Test Condition
(Note 1)
(Note 1)
(Note 1)
Test Condition
Test Condition
CL = 50 pF
CL = 50 pF
CL = 50 pF
Test Condition
49.995
Min
Min
Min
Min
20
20
15
10
10
10
4
0
9
5
9
9
9
9
5
50.005
Max
Max
Max
Max
30
30
10
10
45
10
10
45
AMD
Unit
Unit
Unit
Unit
ns
ns
ns
ns
ns
us
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns