參數(shù)資料
型號: SY100E256JC
廠商: MICREL INC
元件分類: 通用總線功能
英文描述: 3-BIT 4:1 MUX-LATCH
中文描述: 100E SERIES, LOW LEVEL TRIGGERED D LATCH, COMPLEMENTARY OUTPUT, PQCC28
封裝: PLASTIC, LCC-28
文件頁數(shù): 1/4頁
文件大小: 60K
代理商: SY100E256JC
I
950ps max. data to output
I
Extended 100E V
EE
range of –4.2V to –5.5V
I
850ps max. latch enable to output
I
Separate select controls
I
Differential outputs
I
Fully compatible with industry standard 10KH,
100K ECL levels
I
Internal 75K
input pulldown resistors
I
Fully compatible with Motorola MC10E/100E256
I
Available in 28-pin PLCC package
FEATURES
3-BIT 4:1
MUX-LATCH
The SY10/100E256 offer three 4:1 multiplexers followed
by latches with differential outputs designed for use in new,
high-performance ECL systems. Separate Select controls
are provided for the leading 2:1 mux pairs (see block
diagram).
When the Latch Enable (LEN) is at a logic LOW, the latch
is transparent and output data is controlled by the multiplexer
select controls. A logic HIGH on LEN latches the outputs.
The Master Reset (MR) overrides all other controls to set
the Q outputs LOW.
DESCRIPTION
SY10E256
SY100E256
Rev.: C
Issue Date:
Amendment: /1
February, 1998
BLOCK DIAGRAM
PIN CONFIGURATION
Pin
Function
D
0x
–D
2x
Parallel Data Inputs
SEL
1A
, SEL
1B
First-stage Select Inputs
SEL
2
Second-stage Select Input
LEN
Latch Enable
MR
Master Reset
Q
0
, Q
0
–Q
2
, Q
2
Data Outputs
V
CCO
V
CC
to Output
PIN NAMES
TOP VIEW
PLCC
J28-1
26
27
28
1
2
3
4
18
17
16
15
14
13
12
25 24 23 22 21 20 19
5
6
7
8
9
10 11
D
0
V
C
Q
0
D
0
D
1
D
0
D
0
V
EE
LEN
D
1c
SEL
2
MR
SEL
1A
SEL
1B
V
C
D
2
D
2
D
1
D
1
D
2
D
2
V
CC
Q
1
Q
2
Q
1
V
CCO
Q
0
Q
2
D
E
N
R
Q
0
Q
0
Q
1
Q
1
Q
2
Q
2
D
R
E
N
D
R
E
N
D
0a
D
0b
D
0c
D
0d
SEL
1B
D
1a
D
1b
D
1c
D
1d
D
2a
D
2b
D
2c
D
2d
SEL
1A
SEL
2
LEN
MR
1
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