
AMD
1
4
Am7992B
SWITCHING CHARACTERISTICS over operating ranges unless otherwise specified
(Note 8)
(Note 4)
(Note 4)
No.
Receiver Specification
Parameters
Description
Test Conditions
Min
Max
Unit
1
t
RCT
RCLK Cycle Time
85
118
ns
2
t
RCH
RCLK HIGH Time
38
ns
3
t
RCL
RCLK LOW Time
38
ns
4
t
RCR
RCLK Rise Time
8
ns
5
t
RCF
RCLK Fall Time
8
ns
6
t
RDR
RX Rise Time
8
ns
7
t
RDF
RX Fall Time
RX Hold Time (RCLK
↑
to RX Change)
RX Prop Delay (RCLK
↑
to RX Stable)
RENA Turn-On Delay (V
IDC
Max on
Receive
±
to RENA
H
)
RENA Turn-On Delay (V
IDC
Min on
Receive
±
to RENA
L
)
RENA LOW Time
Receive
±
Input Pulse Width to Reject
(|Input| > |V
IDC
Max|)
Receive
±
Input Pulse Width to Turn-On
(|Input| > |V
IDC
Max|)
8
ns
8
t
RDH
5
ns
9
t
RDS
25
ns
10
t
DPH
80
ns
11
t
DPO
(Note 9)
300
ns
12
t
DPL
(Note 10)
120
ns
13
t
RPWR
20
ns
14
t
RPWO
45
ns
15
t
RLT
Decoder Acquisition Time
RENA Hold Time (RCLK
↑
to RENA
L
)
Receive
±
Input Pulse Width to
Not Turn-Off INTCARR
450
ns
16
t
REDH
40
80
ns
17
t
RPWN
165
ns
Collision Specification
18
t
CPWR
Collision
±
Input Pulse Width to Not
Turn-On CLSN (|Input| > |V
IDC
Min|)
Collision
±
Input Pulse Width to Turn-On
CLSN (|Input| > |V
IDC
Max|)
Collision
±
Input Pulse Width to Turn-Off
CLSN (|Input| > |V
IDC
Max|)
Collision
±
Input Pulse Width to Not
Turn-Off CLSN (|Input| < |V
IDC
Max|)
10
ns
19
t
CPWO
26
ns
20
t
CPWE
160
ns
21
t
CPWN
80
ns
22
t
CPH
CLSN Turn-On Delay (V
IDC
Max on
Collision
±
to CLSN
H
)
CLSN Turn-Off Delay (V
IDC
Max on
Collision
±
to CLSN
L
)
50
ns
23
t
CPO
160
ns