參數(shù)資料
型號(hào): 935069140112
廠商: NXP SEMICONDUCTORS
元件分類: 顯示驅(qū)動(dòng)器
英文描述: LED DISPLAY DRIVER, PDSO16
封裝: 3.90 MM, PLASTIC, MS-012AC, SOT-109-1, SO-16
文件頁數(shù): 12/16頁
文件大?。?/td> 78K
代理商: 935069140112
1999 Jun 30
5
Philips Semiconductors
Product specication
8-stage shift-and-store register LED driver
HEF4794B
AC POWER CHARACTERISTICS
VSS =0V; Tamb =25 °C; input transition times ≤ 20 ns; unless otherwise specied.
Note
1. Where:
RL = ∞;
fi = input frequency (MHz);
fo = output frequency (MHz);
CL = load capacitance (pF);
Σ(foCL) = sum of outputs;
VDD = supply voltage (V).
AC TIMING CHARACTERISTICS
VSS =0V; Tamb =25 °C; CL = 50 pF; input transition times ≤20 ns; unless otherwise specied.
SYMBOL
PARAMETER
CONDITIONS
TYPICAL FORMULA FOR P (
W)(1)
P
dynamic power dissipation per
package
VDD =5V
VDD =10V
VDD =15V
SYMBOL
PARAMETER
VDD
(V)
MIN.
TYP.
MAX.
UNIT
TYPICAL
EXTRAPOLATION
FORMULA
tPHL
propagation delay time CP to OS;
HIGH-to-LOW
5
160
320
ns
132 ns + (0.55 ns/pF)CL
10
65
130
ns
53 ns + (0.23 ns/pF)CL
15
45
90
ns
37 ns + (0.16 ns/pF)CL
tPLH
propagation delay time CP to OS;
LOW-to-HIGH
5
130
260
ns
102 ns + (0.55 ns/pF)CL
10
55
110
ns
44 ns + (0.23 ns/pF)CL
15
40
80
ns
32 ns + (0.16 ns/pF)CL
tPHL
propagation delay time CP to OS';
HIGH-to-LOW
5
120
240
ns
92 ns + (0.55 ns/pF)CL
10
50
100
ns
39 ns + (0.23 ns/pF)CL
15
40
80
ns
32 ns + (0.16 ns/pF)CL
tPLH
propagation delay time CP to OS';
LOW-to-HIGH
5
130
260
ns
102 ns + (0.55 ns/pF)CL
10
60
120
ns
49 ns + (0.23 ns/pF)CL
15
45
90
ns
37 ns + (0.16 ns/pF)CL
tPZL
propagation delay time CP to On;
OFF-to-LOW
5
240
480
ns
note 1
10
80
160
ns
15
55
110
ns
tPLZ
propagation delay time CP to On;
LOW-to-OFF
5
170
340
ns
note 1
10
75
150
ns
15
60
120
ns
1200f
i
Σ f
o CL
() V
DD
2
×
+
5550f
i
Σ f
o CL
() V
DD
2
×
+
15000f
i
Σ f
o CL
() V
DD
2
×
+
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