Real Time Devices AD1200 User Manual page 132

82C55A
WAVEFORMS (continued)
lroDE 2 (BIDIRECTTONAL)
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lloto:
Any-eequence U€re fiElqcurs b€for€ ffi
nNo_srE @curs before FE is permissible.
(INTR = IBF o FFffi. SF6. FD + OEF. [[ASR o fif;( o ffi;
WRITE TIMING
READ TIMING
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A.C. TESTING INPUT, OUTPUT WAVEFORM
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AC. Toting lnputs Are Driven At 2AV Fot A Logic 1 And 0.45V
For A Lggic 0 Timing Measur€nents Are Made At z.OV For A
Logic 1 And 0.8 For A Logic 0.
A.C. TESTING LOAD CIRCUIT
Ytrr'
1 e . u P
I
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'VgXr ls S€t At Variqrs Vottages During Testing
To Gurantee
Th€ Specificetion. Cs Inctudes Jig Capacilance.
3.146