UiWSSZZ/A
Peripheral Interface Characteristics
T
SR
1
TSRZ
Shlft-Out Delay Time - Time from r& Falling Edge
to CB2, Data Out
Shift-in Setup Time - Time from CB2 Data in to G2
R ising Edge
External Shift Glock (CBl) Setup Time Relative to
& Trailing Edge
Pulse Width - PB6 Input Pulse
Pulse Width - CB1 Input Glock
Pulse Spacing - PB6 Input Pulse
Pulse Spacing - CB1 Input Pulse
CAl, CB1 Set-Up Prior to Transition to Arm Latch
Peripheral Data Hold After CAl, CB1 Transition
Set-Up Required on CAl, CBl, CA2 or CB2 Prior tc
’
Trictqering Edge
Shift Register Glock - Delay from $2
to CB1 Rising Edge
to CB1 Falling Edge
300
100
2 x Tcy
2
xTCY
300
-
TCY
-
-
-
-
I
I
“C
II.3
ns
ns
Lf
1”’
33
59
5i
5h
Tm3
TIPW
TICW
T
IPS
2xTCy
2 x Tcy
TC +50
150
I
TICS
TAI
+---+++
ns
[
1
I
5h
5e
1 5i
ns
I
I
1
ns
1
.
‘-PDH
-
TPWI
l
T,,,I
IC Ta”
_
I
TDPR
TDPL
200
125
ns
ns
5k
5k
Timing Waveforms
READ IRA
OPERATION
c
CA2
“DATA TAKEN”
Figure 5a. CA2 Timing for Read Handshake, Pulse Mode
5-21
UMC [ UMC CORPORATION ]
