hef4794b NXP Semiconductors, hef4794b Datasheet - Page 5

• Manufacturer Part Number: hef4794b
• Description: 8-stage Shift-and-store Register Led Driver
• Manufacturer: NXP Semiconductors

Philips Semiconductors
AC POWER CHARACTERISTICS
V
Note
1. Where:
AC TIMING CHARACTERISTICS
V
1999 Jun 30
P
t
t
t
t
t
t
SYMBOL
SYMBOL
PHL
PLH
PHL
PLH
PZL
PLZ
SS
SS
8-stage shift-and-store register LED driver
R
f
f
C
V
= 0 V; T
= 0 V; T
i
o
(f
DD
L
= input frequency (MHz);
L
= output frequency (MHz);
o
= ;
= load capacitance (pF);
C
= supply voltage (V).
L
) = sum of outputs;
amb
amb
dynamic power dissipation per
package
propagation delay time CP to O
HIGH-to-LOW
propagation delay time CP to O
LOW-to-HIGH
propagation delay time CP to O
HIGH-to-LOW
propagation delay time CP to O
LOW-to-HIGH
propagation delay time CP to O
OFF-to-LOW
propagation delay time CP to O
LOW-to-OFF
= 25 C; input transition times
= 25 C; C
PARAMETER
PARAMETER
L
= 50 pF; input transition times 20 ns; unless otherwise specified.
S
S
S
S
n
n
;
;
;
;
';
';
20 ns; unless otherwise specified.
5
10
15
5
10
15
5
10
15
5
10
15
5
10
15
5
10
15
V
V
V
V
(V)
DD
DD
DD
DD
= 5 V
= 10 V
= 15 V
CONDITIONS
MIN.
5
160
65
45
130
55
40
120
50
40
130
60
45
240
80
55
170
75
60
TYP.
320
130
90
260
110
80
240
100
80
260
120
90
480
160
110
340
150
120
MAX.
1200f
5550f
15000f
TYPICAL FORMULA FOR P ( W)
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
i
i
UNIT
+
+
i
+
f
f
o
o
f
C
C
o
132 ns + (0.55 ns/pF)C
53 ns + (0.23 ns/pF)C
37 ns + (0.16 ns/pF)C
102 ns + (0.55 ns/pF)C
44 ns + (0.23 ns/pF)C
32 ns + (0.16 ns/pF)C
92 ns + (0.55 ns/pF)C
39 ns + (0.23 ns/pF)C
32 ns + (0.16 ns/pF)C
102 ns + (0.55 ns/pF)C
49 ns + (0.23 ns/pF)C
37 ns + (0.16 ns/pF)C
note 1
note 1
C
L
L
L
EXTRAPOLATION
Product specification
V
V
FORMULA
V
HEF4794B
2
DD
2
DD
TYPICAL
2
DD
L
L
L
L
L
L
L
L
L
(1)
L
L
L