參數(shù)資料
型號(hào): MM74C912N
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 顯示驅(qū)動(dòng)器
英文描述: 6-Digit BCD Display Controller/Driver
中文描述: LED DISPLAY DRIVER, PDIP28
封裝: 0.600 INCH, PLASTIC, MS-010, DIP-28
文件頁(yè)數(shù): 5/8頁(yè)
文件大?。?/td> 74K
代理商: MM74C912N
5
www.fairchildsemi.com
M
AC Electrical Characteristics
(Note 5)
V
CC
=
5V, t
r
=
t
f
=
20 ns, C
L
=
50 pF
Symbol
Parameter
Note 5:
AC Parameters are guaranteed by DC correlated testing.
Note 6:
Capacitance is guaranteed by periodic testing.
Conditions
Min
Typ
Max
Units
t
CW
Chip Enable to Write
T
J
=
25
°
C
T
J
=
125
°
C
T
J
=
25
°
C
T
J
=
125
°
C
T
J
=
25
°
C
T
J
=
125
°
C
T
J
=
25
°
C
T
J
=
125
°
C
T
J
=
25
°
C
T
J
=
125
°
C
T
J
=
25
°
C
T
J
=
125
°
C
T
J
=
25
°
C
T
J
=
125
°
C
R
L
=
10k, T
J
=
25
°
C
C
L
=
10 pF, T
J
=
125
°
C
R
L
=
10k, T
J
=
25
°
C
C
L
=
50 pF, T
J
=
125
°
C
T
J
=
25
°
C
T
J
=
125
°
C
T
J
=
25
°
C
T
J
=
125
°
C
(Note 6)
(Note 6)
35
15
ns
Enable Setup Time
Address to Write
Enable Setup Time
50
35
50
20
15
20
ns
ns
ns
t
AW
t
WW
Write Enable Width
400
450
390
225
250
225
ns
ns
ns
t
DW
Data to Write Enable
Setup Time
Write Enable to Data
Hold Time
430
0
0
250
10
15
10
15
30
ns
ns
ns
t
WD
t
WA
Write Enable to Address
Hold Time
Write Enable to Chip Enable
0
0
ns
ns
ns
t
WC
50
Hold Time
Logical “1”, Logical “0”
Levels into 3-STATE
75
40
275
325
ns
ns
ns
t
1H
, t
0H
500
600
t
H1
, t
H0
3-STATE to Logical “1” to
Logical “0” Level
Interdigit Blanking Time
325
375
10
600
700
ns
ns
μ
s
μ
s
Hz
Hz
t
IB
5
10
20
350
250
f
MUX
Multiplex Scan Frequency
C
IN
C
OUT
Input Capacitance
3-STATE Output Capacitance
5
7.5
50
pF
pF
30
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