TI SN10KHT5538

SDZS012 − MARCH 1990
•
•
•
•
•
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DW OR NT PACKAGE
10KH Compatible
(T0P VIEW)
Open-Collector Outputs Drive Bus Lines or
Buffer Memory Address Registers
Y1
Y2
Y3
Y4
1
24
2
23
3
22
4
21
VCC
GND
GND
GND
Y5
Y6
Y7
Y8
5
20
6
19
7
18
8
17
9
16
10
15
11
14
12
13
ECL and TTL Control Inputs
Flow-Through Architecture Optimizes PCB
Layout
Center-Pin VCC, VEE, and GND
Configurations Minimize High-Speed
Switching Noise
Package Options Include “Small Outline”
Packages and Standard Plastic 300-mil
DIPs
description
A1
A2
A3
A4
OE2 (TTL)
VEE
GND
OE1 (ECL)
A5
A6
A7
A8
logic symbol†
This octal ECL-to-TTL translator is designed to
provide efficient translation between a 10KH
signal environment and a TTL signal environment.
This device is designed specifically to improve the
performance and density of ECL-to-TTL CPU/bus
oriented functions such as memory address
drivers,
clock
drivers,
and
busoriented receivers and transmitters while eliminating the need for three-state overlap protection.
OE1
OE2
A1
A2
A3
A4
Two output enables, OE1 and OE2, are provided.
These enable inputs are ANDed together with
OE1 being ECL-compatible and OE2 being
TTL-compatible. This offers the choice of controlling the outputs of the device from either a TTL or
ECL signal environment.
A5
A6
A7
A8
The SN10KHT5538 is characterized for operation
from 0°C to 75°C.
17
&
ECL/TTL
EN
20
24
1
ECL/TTL
23
2
22
3
21
4
16
9
15
10
14
11
13
12
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8
† This symbol is in accordance with ANSI/IEEE Std 91-1984 and
IEC Publication 617-12.
FUNCTION TABLE
OUTPUT
ENABLE
OE1
OE2
DATA
INPUT
OUTPUT
(TTL)
A
Y
H
X
X
H
X
H
X
H
L
L
L
H
L
L
H
L
Copyright  1994, Texas Instruments Incorporated
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• DALLAS, TEXAS 75265
• HOUSTON, TEXAS 77251−1443
POST OFFICE BOX 655303
POST OFFICE BOX 1443
1
SDZS012 − MARCH 1990
logic diagram (positive logic)
A1
24
ECL/TTL
1
ECL/TTL
2
ECL/TTL
3
ECL/TTL
4
Y1
23
A2
Y2
22
A3
Y3
21
A4
Y4
17
ECL/TTL
OE1 (ECL)
20
OE2 (TTL)
16
A5
ECL/TTL
9
ECL/TTL
10
ECL/TTL
11
ECL/TTL
12
Y5
15
A6
Y6
14
A7
Y7
13
A8
Y8
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)†
Supply voltage range, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to 7 V
Supply voltage range, VEE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −8 V to 0 V
Input voltage range (TTL) (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −1.2 V to 7 V
Input voltage range (ECL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VEE to 0 V
Input current range (TTL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −30 mA to 5 mA
Current into any output in the low state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 mA
Voltage applied to any output in the high state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to VCC
Operating temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 75°C
Storage temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −65°C to 150°C
† Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTE 1: The TTL input voltage ratings may be exceeded provided the input current ratings are observed.
2
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POST OFFICE BOX 655303 DALLAS, TEXAS 75265
POST OFFICE BOX 1443 HOUSTON, TEXAS 77251−1443
•
SDZS012 − MARCH 1990
recommended operating conditions
MIN
NOM
MAX
UNIT
VCC
TTL supply voltage
4.5
5
5.5
V
VEE
ECL supply voltage
−4.94
−5.2
−5.46
V
VIH
TTL high-level input voltage
VIL
TTL low-level input voltage
VIH
ECL high-level input voltage (see Note 2)
VIL
2
V
0.8
ECL low-level input voltage (see Note 2)
V
0°C
−1170
−840
mV
25°C
−1130
−810
mV
75°C
−1070
−735
mV
0°C
−1950
−1480
mV
25°C
−1950
−1480
mV
75°C
−1950
−1450
mV
VOH
TTL high-level output voltage
5.5
V
IOL
TTL low-level output current
48
mA
IIK
TTL input clamp current
−18
mA
TA
Operating free-air temperature
0
75
°C
NOTE 2: The algebraic convention, in which the least positive (most negative) value is designated minimum, is used in this data sheet for logic
levels only.
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
VIK
II
OE2 only
IIH
IIL
OE2 only
IIH
IIL
TEST CONDITIONS
MIN
TYP†
MAX
VCC = 4.5 V,
VCC = 5.5 V,
VEE = − 4.94 V,
VEE = − 5.46 V,
II = − 18 mA
VI = 7 V
OE2 only
VCC = 5.5 V,
VCC = 5.5 V,
VEE = − 5.46 V,
VEE = − 5.46 V,
VI = 2.7 V
VI = 0.5 V
VEE = − 5.46 V,
VEE = − 5.46 V,
VI = − 840 V
VI = − 810 V
0°C
350
A inputs and OE1
VCC = 5.5 V,
VCC = 5.5 V,
25°C
350
VCC = 5.5 V,
VEE = − 5.46 V,
VI = − 735 V
75°C
350
VCC = 5.5 V,
VEE = − 5.46 V,
VI = − 1950 V
OE2 only
A inputs and OE1
IOH
VOL
VCC = 4.5 V,
VCC = 4.5 V,
VEE = − 4.94 V,
VEE = − 5.2 V ± 5%,
ICCH
ICCL
VCC = 5.5 V,
VCC = 5.5 V,
VEE = − 5.46 V
VEE = − 5.46 V
IEE
Ci
VCC = 5.5 V,
VCC = 5.5 V,
VEE = − 5.46 V
VEE = − 5.2 V
VOH = 5.5 V
IOL = 48 mA
Co
VCC = 5.5 V,
VEE = − 5.2 V
† All typical values are at VCC = 5 V, VEE = − 5.2 V, TA = 25°C.
•
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
POST OFFICE BOX 1443 HOUSTON, TEXAS 77251−1443
•
0°C
0.5
25°C
0.5
75°C
0.5
UNIT
−1.2
V
0.1
mA
20
µA
−0.5
mA
µA
µA
250
µA
0.38
0.55
66
95
mA
V
79.5
114
mA
−23
−33
mA
5
pF
5
pF
3
SDZS012 − MARCH 1990
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (see Figure 1)
FROM
(INPUT)
PARAMETER
tPLH
tPHL
tPLH
tPHL
CL = 50 pF,
R1 = 500 Ω,
R2 = 500 Ω
TO
(OUTPUT)
Any A
Y
OE1 (ECL)
Y
tPLH
OE2 (TTL)
tPHL
† All typical values are at VCC = 5 V, VEE = − 5.2 V, TA = 25°C.
Y
UNIT
MIN
TYP†
MAX
6.4
9.1
11.7
2.7
4.9
7.2
7
10.1
13.3
3.6
6.2
8.8
6.5
9.1
11.6
2.8
5.3
7.9
ns
ns
ns
PARAMETER MEASUREMENT INFORMATION
7V
R1
From Output
Under Test
Test Point
R2
CL
(See Note A)
LOAD CIRCUIT
tf
tr
3V
Input
(See Note B)
1.5 V
0
tPHL
tPLH
In-Phase
Output
1.5 V
1.5 V
80%
50%
80%
50%
tPLH
VOH
1.5 V
VOL
−890 mV
20%
−1690 mV
tPHL
VOH
In-Phase
Output
1.5 V
1.5 V
VOL
tPLH
tPHL
Out-of-Phase
Output
Input
(See Note C) 20%
1.5 V
tPLH
tPHL
VOH
1.5 V
Out-of-Phase
Output
VOH
1.5 V
1.5 V
VOL
VOL
VOLTAGE WAVEFORMS
TTL-INPUT PROPAGATION DELAY TIMES
VOLTAGE WAVEFORMS
ECL-INPUT PROPAGATION DELAY TIMES
NOTES: A. CL includes probe and jig capacitance.
B. For TTL inputs, input pulses are supplied by generators having the following characteristics: PRR ≤ 10 MHz, Zo = 50 Ω, tr ≤ 2.5 ns,
tf ≤ 2.5 ns.
C. For ECL inputs, input pulses are supplied by generators having the following characteristics: PRR ≤ 10 MHz, Zo = 50 Ω, tr ≤ 1.5 ns,
tf ≤ 1.5 ns.
D. The outputs are measured one at a time with one transition per measurement.
4
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POST OFFICE BOX 655303 DALLAS, TEXAS 75265
POST OFFICE BOX 1443 HOUSTON, TEXAS 77251−1443
•
SDZS012 − MARCH 1990
Figure 1. Load Circuit and Voltage Waveforms
•
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
POST OFFICE BOX 1443 HOUSTON, TEXAS 77251−1443
•
5
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