HEF4534B Ver la hoja de datos (PDF) - Philips Electronics
Número de pieza
componentes Descripción
Lista de partido
HEF4534B Datasheet PDF : 10 Pages
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Philips Semiconductors
Real time 5-decade counter
Product specification
HEF4534B
LSI
AC CHARACTERISTICS
VSS = 0 V; Tamb = 25 °C; CL = 50 pF; input transition times ≤ 20 ns
VDD
V
SYMBOL MIN. TYP. MAX.
Propagation delays
CPA → On
D1 selected
HIGH to LOW
LOW to HIGH
CPA → On
D5 selected
HIGH to LOW
LOW to HIGH
CPA → TC
LOW to HIGH
MR → On
HIGH to LOW
MR → OER
HIGH to LOW
CPS → On
HIGH to LOW
LOW to HIGH
CPS → OSn
HIGH to LOW
CPS → OSn
LOW to HIGH
5
10 tPHL
15
5
10 tPLH
15
5
10 tPHL
15
5
10 tPLH
15
5
10 tPLH
15
5
10 tPHL
15
5
10 tPHL
15
5
10 tPHL
15
5
10 tPLH
15
5
10 tPHL
15
5
10 tPLH
15
300 600 ns
130 260 ns
95 190 ns
240 480 ns
100 200 ns
75 150 ns
550 1100 ns
230 460 ns
170 340 ns
550 1100 ns
230 460 ns
170 340 ns
420 840 ns
190 380 ns
140 280 ns
200 400 ns
85 170 ns
60 120 ns
140 280 ns
65 130 ns
50 100 ns
225 450 ns
95 190 ns
70 140 ns
225 450 ns
95 190 ns
70 140 ns
170 340 ns
70 140 ns
50 100 ns
170 340 ns
70 140 ns
50 100 ns
TYPICAL EXTRAPOLATION
FORMULA
283 ns + (0,55 ns/pF) CL
119 ns + (0,23 ns/pF) CL
87 ns + (0,16 ns/pF) CL
213 ns + (0,55 ns/pF) CL
89 ns + (0,23 ns/pF) CL
67 ns + (0,16 ns/pF) CL
523 ns + (0,55 ns/pF) CL
219 ns + (0,23 ns/pF) CL
162 ns + (0,16 ns/pF) CL
523 ns + (0,55 ns/pF) CL
219 ns + (0,23 ns/pF) CL
162 ns + (0,16 ns/pF) CL
393 ns + (0,55 ns/pF) CL
179 ns + (0,23 ns/pF) CL
132 ns + (0,16 ns/pF) CL
173 ns + (0,55 ns/pF) CL
74 ns + (0,23 ns/pF) CL
52 ns + (0,16 ns/pF) CL
113 ns + (0,55 ns/pF) CL
54 ns + (0,23 ns/pF) CL
42 ns + (0,16 ns/pF) CL
198 ns + (0,55 ns/pF) CL
84 ns + (0,23 ns/pF) CL
62 ns + (0,16 ns/pF) CL
198 ns + (0,55 ns/pF) CL
84 ns + (0,23 ns/pF) CL
62 ns + (0,16 ns/pF) CL
143 ns + (0,55 ns/pF) CL
59 ns + (0,23 ns/pF) CL
42 ns + (0,16 ns/pF) CL
143 ns + (0,55 ns/pF) CL
59 ns + (0,23 ns/pF) CL
42 ns + (0,16 ns/pF) CL
January 1995
7
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