MICREL SY10E171, SY100E171 Datasheet
3-BIT 4:1
MULTIPLEXER
SY10E171
SY100E171
FEATURES
■ 725ps max. D to output
■ Extended 100E VEE range of –4.2V to –5.5V
■ Differential outputs
■ Split select architecture
■ Fully compatible with industry standard 10KH,
100K ECL levels
■ Internal 75KΩ input pulldown resistors
■ Fully compatible with Motorola MC10E/100E171
DESCRIPTION
The SY10/100E171 offer three 4:1 multiplexers with
differential outputs, designed for use in new, highperformance ECL systems. The leading 4-bit multiplexer
operation is organized pairwise, with each pair being a 2bit multiplexer. Separate select (SEL1A, SEL1B) controls
are provided within each pair. The SEL1A and SEL1B
signals control the leading multiplexers, while the SEL2
signal controls the output multiplexer. The three select
signals can be used to determine which of the four data
inputs will be propagated to the corresponding outputs.
■ Available in 28-pin PLCC package
BLOCK DIAGRAM PIN CONFIGURATION
D
0a
D
0b
D
0c
D
0d
D
1a
D
1b
D
1c
D
1d
2:1
MUX
SEL
2:1
MUX
SEL
2:1
MUX
SEL
2:1
MUX
SEL
2:1
MUX
SEL
2:1
MUX
SEL
1a
1b
D
Q
0
Q
0
SEL
SEL
SEL
1A
1B
2
V
EE
NC
NC
Q
1
Q
1
D
1c
D
25
24 23 22 21 20 19
26
27
28
1
2
3
4
5 6 7 8 9 10 11
0a
1d
D
D
2d
2c
D
D
TOP VIEW
PLCC
J28-1
0b
0c
D
D
2a
2b
CCO
D
D
V
18
Q
2
17
Q
2
16
V
CC
15
Q
1
14
Q
1
13
V
CCO
12
Q
0
0
0d
Q
D
CCO
V
SEL
SEL
SEL
D
2a
D
2b
2:1
MUX
SEL
2:1
Q
2
PIN NAMES
MUX
D
2c
D
2d
2:1
MUX
SEL
SEL
Q
2
Pin Function
D0x–D2x Data Inputs
SEL1A, SEL1B First-stage Select Inputs
1A
1B
SEL2 Second-stage Select Input
Q0–Q2 True Output
Q0–Q2 Inverted Output
2
1
V
CCO VCC to Output
Rev.: C Amendment: /1
Issue Date: February, 1998
Micrel
SY100E171
TRUTH TABLE
Pin State Operation
SEL2 H Output c/d data
SEL1A H Input d data
SEL
1B H Input b data
DC ELECTRICAL CHARACTERISTICS
VEE = VEE (Min.) to VEE (Max.); VCC = VCCO = GND
TA = 0°CTA = +25°CTA = +85°C
Symbol Parameter Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. Unit Condition
IIH Input HIGH Current ——150 ——150 ——150 µA —
I
EE Power Supply Current mA —
10E — 56 67 — 56 67 — 56 67
100E — 56 67 — 56 67 — 65 77
SY10E171
AC ELECTRICAL CHARACTERISTICS
VEE = VEE (Min.) to VEE (Max.); VCC = VCCO = GND
TA = 0°CTA = +25°CTA = +85°C
Symbol Parameter Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. Unit Condition
PLH Propagation Delay to Output ps —
t
tPHL D 275 480 650 275 480 650 275 480 650
SEL1 450 650 850 450 650 850 450 650 850
SEL2 350 550 700 350 550 700 350 550 700
t
skew Within-Device Skew ps 1
Dnm, Dnm to Qn — 60 ——60 ——60 —
Da, Db, Dc, Dd to Q — 40 ——40 ——40 —
r Rise/Fall Time 300 475 650 300 475 650 300 475 650 ps —
t
tf 20% to 80%
NOTE:
1. Within-device skew is defined as identical transitions on similar paths through a device; n = 0, 1, 2 m = a, b, c, d.
PRODUCT ORDERING CODE
Ordering Package Operating
Code Type Range
SY10E171JC J28-1 Commercial
SY10E171JCTR J28-1 Commercial
SY100E171JC J28-1 Commercial
SY100E171JCTR J28-1 Commercial
2
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