UPI-452 Datasheet, PDF (51/53 Pages) Intel Corporation – CHMOS PROGRAMMABLE I/O PROCESSOR

HLD HLDA WAVEFORMS
Arbiter Mode
Requestor Mode
UPI-452
231428 – 26
231428 – 31
HLD HLDA TIMINGS
Test Conditions T_A ^e 0 C to ^a70 C V_CC ^e 5V g10% V_SS ^e 0V Load Capacitance ^e 80 pF
Symbol
Parameter
14 MHz Osc
Min Max
Variable Oscillator
Min
Max
Units
THMIN
HLD Pulse Width
386
4TCLCL^a100
ns
THLAL
HLD to HLDA Delay if
HLDA is Granted
186
672
4TCLCL^b100
8TCLCL^a100
ns
THHAH HLD to HLDA Delay
186 672 4TCLCL^b100 8TCLCL^a100
ns
TAMIN
HLDA Pulse Width
386
4TCLCL^a100
ns
TAHHL
HLDA Inactive to
HLD Active
186
4TCLCL^b100
ns
51