User guide

A.C. Characteristics
Symbol Parameter
VCC=5V
±10% VCC=3V±10% VCC=2V*
Unit
Min. Max. Min. Max. Min. Max.
f
SK
Clock Frequency 0 2000 0 500 0 250 kHz
t
SKH
SK High Time 250 — 1000 — 2000 — ns
t
SKL
SK Low Time 250 — 1000 — 2000 — ns
t
CSS
CS Setup Time 50 — 200 — 200 — ns
t
CSH
CS Hold Time 0 — 0 — 0 — ns
t
CDS
CS Deselect Time 250 — 250 — 1000 — ns
t
DIS
DI Setup Time 100 — 200 — 400 — ns
t
DIH
DI Hold Time 100 — 200 — 400 — ns
t
PD1
DO Delay to “1” — 250 — 1000 — 2000 ns
t
PD0
DO Delay to “0” — 250 — 1000 — 2000 ns
t
SV
Status Valid Time — 250 — 250 — — ns
t
HV
DO Disable Time 100 — 400 — 400 — ns
t
PR
Write Cycle Time — 2 — 2 — — ms
* For Read Operating Only
A.C. test conditions
Input rise and fall time: 5ns (1V to 2V)
Input and output timing reference levels: 1.5V
Output load: See Figure right
Output load circuit
HT93LC46
4 6th May ’99