參數(shù)資料
型號: SY100S370
廠商: Micrel Semiconductor,Inc.
英文描述: Universal Demultiplexer/Decoder(通用多路分解器/譯碼器)
中文描述: 通用多路解復(fù)用器/解碼器(通用多路分解器/譯碼器)
文件頁數(shù): 1/7頁
文件大?。?/td> 113K
代理商: SY100S370
Pin
Function
A
na
, A
nb
Address Inputs (n = 0,1,2)
E
na
, E
nb
Enable Inputs (n = 1,2)
M
Mode Control Input
H
a
Z
0
– Z
3
(Z
0a
– Z
3a
) Polarity Select Input
H
b
Z
4
– Z
7
(Z
0b
– Z
3b
) Polarity Select Input
H
c
Common Polarity Select Input
Z
0
– Z
7
Single 1-of-8 Data Outputs
Z
na
, Z
nb
Dual 1-of-4 Data Outputs (n = 1...4)
V
EES
V
EE
Substrate
V
CCA
V
CCO
for ECL Outputs
SY100S370
UNIVERSAL
DEMULTIPLEXER/
DECODER
FEATURES
I
Max. propagation delay of 1200ps
I
I
EE
min. of –92mA
I
Industry standard 100K ECL levels
I
Extended supply voltage option:
V
EE
= –4.2V to –5.5V
I
Voltage and temperature compensation for improved
noise immunity
I
Internal 75K
input pull-down resistors
I
60% faster than National or Signetics
I
Approximately 40% lower power than Fairchild
I
Function and pinout compatible with Fairchild F100K
I
Available in 24-pin CERPACK and 28-pin PLCC
packages
DESCRIPTION
The SY100S370 is a universal demultiplexer/decoder
that can be used as either a dual 1-of-4 decoder or as a
single 1-of-8 decoder and is designed for use in high-
performance ECL systems. The Mode control (M) input
determines the function. In the dual 1-of-4 mode, each 4-
input group has a pair of active-LOW Enable (E) inputs.
The Enable pins are assigned such that in the single 1-of-
8 mode they can be tied together in pairs to result in two
active-LOW Enable inputs. E
1a
will be tied to E
1b
and E
2a
to E
2b
.
The auxiliary inputs (H
n
) are used to determine whether
the outputs are active-HIGH or active-LOW. The address
inputs for the dual 1-of-4 mode are A
0a
, A
1a
, A
0b
. A
2a
is
unused. In the 1-of-8 mode, the address inputs are A
0a
,
A
1a
, A
2a
. The inputs on the device have 75K
pull-down
resistors.
PIN NAMES
Rev.: G
Issue Date:
Amendment: /0
July, 1999
H
a
E
2
E
2
V
E
E
1
E
1
A
2a
M
A
1a
A
0a
Z
1a
(Z
1
)
Z
2a
(Z
2
)
H
c
H
b
A
0b
A
1b
Z
3b
(Z
7
)
Z
0b
(Z
4
)
18
17
16
15
14
13
1
2
3
4
5
6
7
24
8
23
9
22
10
21
11
20
12
19
Top View
Flatpack
F24-1
V
C
V
C
Z
1
(
5
)
Z
3
(
3
)
Z
2
(
6
)
Z
0
(
0
)
PIN CONFIGURATIONS
Z
0a
(Z
0
)
Z
3a
(Z
3
)
V
CCA
V
CC
V
CC
Z
1b
(Z
5
)
Z
2b
(Z
6
)
E
1a
E
1b
V
EE
V
EES
E
2b
E
2a
H
a
4
3
2
1
28
27
26
12
13
14
15
16
17
18
19
11
20
10
21
9
22
8
23
7
24
6
Top View
PLCC
J28-1
25
5
A
2
M
A
1
V
E
A
0
Z
1
(
1
)
Z
2
(
2
)
A
0
V
E
H
b
A
1
H
c
Z
3
(
7
)
Z
0
(
4
)
1
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