1-15
1
1.6.12 Timing Chart
The times in Table 1-2 are for a 4863 with a 20 MHz clock.
TABLE 1-2 4863 TIMING
Symbol
Command/Notes
Time
TdLoad
Loading time for 6 hex characters
4.0 ms
TdTDAV
Delay to first Talk DAV Pulse
0.7 ms
TdOut
Terminator to data stable
"SOURCE:DATA hhhh"
5.0 ms
":DATA hhhh"
3.6 ms
"PO hhhh"
1.5 ms
"hhhh" (dual address mode)
0.1 ms
"bb" (binary format, dual address)
70
µ
s
TdStb
Strobe delay after data stable
100
µ
sec
Strobe
Data Strobe Pulse Width
5
µ
sec
TdSTB
Delay from comd terminator to pulse
"SOUR:DATA:STR"
7.5 ms
":DATA:STR"
6.3 ms
"SP"
0.8 to 1.1 ms
TdStb2
Delay to next data strobe
"SOURCE:DATA hhhh,hhhh"
140
µ
s
":DATA hhhh,hhhh"
140
µ
s
"PO hhhh,hhhh"
140
µ
s
"hhhh,hhhh" (dual address mode)
160
µ
s
"bbbb" (binary format, dual address)
19
µ
s
TdRST
Delay from comd terminator to pulse
7 ms
Reset
Reset Pulse Width
65
µ
sec
TdTRG
Delay from comd terminator to pulse
"*TRG"
1.8 ms
GET
50 to 200
µ
s
Trigger
Trigger Pulse Width
5
µ
sec
TSelfTest
Pon to Digital I/O lines configured
350 ms
TConf
Byte configuration glitch
5
µ
s max
TStable
Last byte configured to Stable high
5
µ
s min
NOTE: Multiply above values by 1.35 for the Model 2363.
