SN54LVTH652 [TI]
3.3-V ABT OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS; 3.3 -V ABT八路总线收发器和寄存器具有三态输出型号: | SN54LVTH652 |
厂家: | TEXAS INSTRUMENTS |
描述: | 3.3-V ABT OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS |
文件: | 总10页 (文件大小:154K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
SN54LVTH652, SN74LVTH652
3.3-V ABT OCTAL BUS TRANSCEIVERS AND REGISTERS
WITH 3-STATE OUTPUTS
SCBS706D – AUGUST 1997 – REVISED APRIL 1999
SN54LVTH652 . . . JT OR W PACKAGE
SN74LVTH652 . . . DB, DGV, DW, OR PW PACKAGE
(TOP VIEW)
State-of-the-Art Advanced BiCMOS
Technology (ABT) Design for 3.3-V
Operation and Low Static-Power
Dissipation
1
24
23
22
21
20
19
18
17
16
15
14
13
CLKAB
SAB
OEAB
A1
V
CC
I
and Power-Up 3-State Support Hot
2
off
CLKBA
SBA
OEBA
B1
Insertion
3
Bus Hold on Data Inputs Eliminates the
Need for External Pullup/Pulldown
Resistors
4
5
A2
6
A3
B2
7
A4
B3
Support Mixed-Mode Signal Operation
(5-V Input and Output Voltages With
8
A5
B4
9
A6
B5
3.3-V V
)
CC
10
11
12
A7
A8
GND
B6
B7
B8
Support Unregulated Battery Operation
Down to 2.7 V
Typical V
< 0.8 V at V
(Output Ground Bounce)
OLP
= 3.3 V, T = 25°C
CC
A
SN54LVTH652 . . . FK PACKAGE
(TOP VIEW)
Latch-Up Performance Exceeds 500 mA Per
JESD 17
ESD Protection Exceeds 2000 V Per
MIL-STD-883, Method 3015; Exceeds 200 V
Using Machine Model (C = 200 pF, R = 0)
4
3
2
1
28 27 26
25
Package Options Include Plastic
5
6
7
8
9
A1
A2
A3
NC
A4
A5
A6
OEBA
B1
B2
NC
B3
B4
Small-Outline (DW), Shrink Small-Outline
(DB), Thin Shrink Small-Outline (PW), and
Thin Very Small-Outline (DGV) Packages,
Ceramic Chip Carriers (FK), Ceramic Flat
(W) Package, and Ceramic (JT) DIPs
24
23
22
21
20
19
10
11
B5
description
12 13 14 15 16 17 18
These bus transceivers and registers are
designed specifically for low-voltage (3.3-V) V
CC
operation, but with the capability to provide a TTL
interface to a 5-V system environment.
NC – No internal connection
The ’LVTH652 devices consist of bus-transceiver circuits, D-type flip-flops, and control circuitry arranged for
multiplexed transmission of data directly from the data bus or from the internal storage registers.
Output-enable (OEAB and OEBA) inputs are provided to control the transceiver functions. Select-control (SAB
and SBA) inputs are provided to select whether real-time or stored data is transferred. The circuitry used for
select control eliminates the typical decoding glitch that occurs in a multiplexer during the transition between
real-time and stored data. A low input selects real-time data and a high input selects stored data. Figure 1
illustrates the four fundamental bus-management functions that can be performed with the ’LVTH652 devices.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Copyright 1999, Texas Instruments Incorporated
UNLESS OTHERWISE NOTED this document contains PRODUCTION
DATA information current as of publication date. Products conform to
specifications per the terms of Texas Instruments standard warranty.
Production processing does not necessarily include testing of all
parameters.
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN54LVTH652, SN74LVTH652
3.3-V ABT OCTAL BUS TRANSCEIVERS AND REGISTERS
WITH 3-STATE OUTPUTS
SCBS706D – AUGUST 1997 – REVISED APRIL 1999
description (continued)
Data on the A or B data bus, or both, can be stored in the internal D-type flip-flops by low-to-high transitions at
the appropriate clock (CLKAB or CLKBA) inputs, regardless of the select- or enable-control pins. When SAB
and SBA are in the real-time transfer mode, it is possible to store data without using the internal D-type flip-flops
by simultaneously enabling OEAB and OEBA. In this configuration, each output reinforces its input; therefore,
when all other data sources to the two sets of bus lines are at high impedance, each set of bus lines remains
at its last state.
Active bus-hold circuitry is provided to hold unused or floating data inputs at a valid logic level.
When V
is between 0 and 1.5 V, the device is in the high-impedance state during power up or power down.
CC
However, to ensure the high-impedance state above 1.5 V, OE should be tied to V
through a pullup resistor
CC
and OE should be tied to GND through a pulldown resistor; the minimum value of the resistor is determined by
the current-sinking/current-sourcing capability of the driver.
This device is fully specified for hot-insertion applications using I and power-up 3-state. The I circuitry
off
off
disables the outputs, preventing damaging current backflow through the device when it is powered down. The
power-up 3-state circuitry places the outputs in the high-impedance state during power up and power down,
which prevents driver conflict.
The SN54LVTH652 is characterized for operation over the full military temperature range of –55°C to 125°C.
The SN74LVTH652 is characterized for operation from –40°C to 85°C.
FUNCTION TABLE
†
DATA I/O
INPUTS
OPERATION OR FUNCTION
OEAB
OEBA
CLKAB
CLKBA
SAB
X
SBA
X
A1–A8
Input
B1–B8
Input
L
L
H
H
H
H
X
L
H or L
H or L
Isolation
↑
↑
X
X
Input
Input
Store A and B data
‡
X
H
L
↑
H or L
X
X
Input
Unspecified
Output
Input
Store A, hold B
‡
X
↑
↑
X
Input
Store A in both registers
Hold A, store B
‡
H or L
↑
X
X
Unspecified
Output
Output
Output
Input
‡
X
L
↑
X
↑
X
X
X
X
L
Input
Store B in both registers
Real-time B data to A bus
Stored B data to A bus
Real-time A data to B bus
Stored A data to B bus
L
L
L
Input
L
L
X
H or L
X
H
X
X
Input
H
H
H
H
X
Output
Output
H or L
X
H
Input
Stored A data to B bus and
stored B data to A bus
H
L
H or L
H or L
H
H
Output
Output
†
‡
The data-output functions can be enabled or disabled by a variety of level combinations at OEAB or OEBA. Data-input functions always are
enabled; i.e., data at the bus terminals is stored on every low-to-high transition of the clock inputs.
Select control = L; clocks can occur simultaneously.
Select control = H; clocks must be staggered to load both registers.
2
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN54LVTH652, SN74LVTH652
3.3-V ABT OCTAL BUS TRANSCEIVERS AND REGISTERS
WITH 3-STATE OUTPUTS
SCBS706D – AUGUST 1997 – REVISED APRIL 1999
3
21
1
23
2
22
SBA
L
3
21
1
23
2
22
SBA
X
CLKAB CLKBA SAB
CLKAB CLKBA SAB
OEABOEBA
L
OEABOEBA
H
L
X
X
X
H
X
X
L
REAL-TIME TRANSFER
BUS B TO BUS A
REAL-TIME TRANSFER
BUS A TO BUS B
3
21
23
2
22
3
21
1
23
2
22
SBA
H
1
CLKAB CLKBA SAB
SBA
X
CLKAB CLKBA SAB
OEAB OEBA
OEAB OEBA
H
X
L
L
H
X
H
X
↑
X
X
X
L
H or L
H or L
H
↑
X
X
TRANSFER STORED DATA
TO A AND/OR B
X
↑
↑
STORAGE FROM
A, B, OR A AND B
Pin numbers shown are for the DB, DGV, DW, JT, PW, and W packages.
Figure 1. Bus-Management Functions
3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN54LVTH652, SN74LVTH652
3.3-V ABT OCTAL BUS TRANSCEIVERS AND REGISTERS
WITH 3-STATE OUTPUTS
SCBS706D – AUGUST 1997 – REVISED APRIL 1999
†
logic symbol
21
OEBA
EN1 [BA]
EN2 [AB]
3
OEAB
CLKBA
SBA
23
22
1
C4
G5
CLKAB
SAB
C6
G7
2
20
4D
2
B1
5
5
≥1
4
A1
1
1
≥1
6D
7
7
1
5
19
18
17
16
15
14
13
A2
A3
A4
A5
A6
A7
A8
B2
B3
B4
B5
B6
B7
B8
6
7
8
9
10
11
†
This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.
Pin numbers shown are for the DB, DGV, DW, JT, PW, and W packages.
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN54LVTH652, SN74LVTH652
3.3-V ABT OCTAL BUS TRANSCEIVERS AND REGISTERS
WITH 3-STATE OUTPUTS
SCBS706D – AUGUST 1997 – REVISED APRIL 1999
logic diagram (positive logic)
21
OEBA
3
OEAB
23
CLKBA
22
SBA
1
CLKAB
2
SAB
One of Eight Channels
1D
C1
4
A1
20
B1
1D
C1
To Seven Other Channels
Pin numbers shown are for the DB, DGV, DW, JT, PW, and W packages.
5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN54LVTH652, SN74LVTH652
3.3-V ABT OCTAL BUS TRANSCEIVERS AND REGISTERS
WITH 3-STATE OUTPUTS
SCBS706D – AUGUST 1997 – REVISED APRIL 1999
†
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to 4.6 V
CC
Input voltage range, V (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to 7 V
I
Voltage range applied to any output in the high-impedance
or power-off state, V (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to 7 V
O
Voltage range applied to any output in the high state, V (see Note 1) . . . . . . . . . . . . . –0.5 V to V
+ 0.5 V
O
CC
Current into any output in the low state, I : SN54LVTH652 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 mA
O
SN74LVTH652 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128 mA
Current into any output in the high state, I (see Note 2): SN54LVTH652 . . . . . . . . . . . . . . . . . . . . . . . . 48 mA
O
SN74LVTH652 . . . . . . . . . . . . . . . . . . . . . . . . 64 mA
Input clamp current, I (V < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –50 mA
IK
OK
I
Output clamp current, I
(V < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –50 mA
O
Package thermal impedance, θ (see Note 3): DB package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104°C/W
JA
DGV package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139°C/W
DW package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81°C/W
PW package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120°C/W
Storage temperature range, T
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65°C to 150°C
stg
†
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.
NOTES: 1. The input and output negative-voltage ratings may be exceeded if the input and output clamp-current ratings are observed.
2. This current flows only when the output is in the high state and V > V
.
CC
O
3. The package thermal impedance is calculated in accordance with JESD 51.
recommended operating conditions (see Note 4)
SN54LVTH652 SN74LVTH652
UNIT
MIN
2.7
2
MAX
MIN
2.7
2
MAX
V
V
V
V
Supply voltage
3.6
3.6
V
V
CC
High-level input voltage
Low-level input voltage
Input voltage
IH
0.8
5.5
–24
48
0.8
5.5
–32
64
V
IL
V
I
I
I
High-level output current
Low-level output current
Input transition rise or fall rate
Power-up ramp rate
mA
mA
ns/V
µs/V
°C
OH
OL
∆t/∆v
∆t/∆V
Outputs enabled
10
10
200
–55
200
–40
CC
T
A
Operating free-air temperature
125
85
NOTE 4: All unused control inputs of the device must be held at V
or GND to ensure proper device operation. Refer to the TI application report,
CC
Implications of Slow or Floating CMOS Inputs, literature number SCBA004.
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.
6
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN54LVTH652, SN74LVTH652
3.3-V ABT OCTAL BUS TRANSCEIVERS AND REGISTERS
WITH 3-STATE OUTPUTS
SCBS706D – AUGUST 1997 – REVISED APRIL 1999
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
SN54LVTH652
SN74LVTH652
PARAMETER
TEST CONDITIONS
UNIT
†
†
MIN TYP
MAX
MIN TYP
MAX
V
V
V
V
V
= 2.7 V,
I = –18 mA
–1.2
–1.2
V
IK
CC
CC
CC
I
= 2.7 V to 3.6 V,
= 2.7 V,
I
I
I
I
I
I
I
I
I
I
= –100 µA
= –8 mA
= –24 mA
= –32 mA
= 100 µA
= 24 mA
= 16 mA
= 32 mA
= 48 mA
= 64 mA
V
–0.2
V
–0.2
OH
OH
OH
OH
OL
OL
OL
OL
OL
OL
CC
2.4
CC
2.4
V
V
OH
2
V
= 3 V
CC
CC
2
0.2
0.5
0.2
0.5
0.4
0.5
V
= 2.7 V
0.4
V
OL
0.5
V
CC
= 3 V
0.55
0.55
±1
V
V
= 3.6 V,
V = V
I
or GND
±1
10
20
1
CC
CC
Control inputs
= 0 or 3.6 V,
V = 5.5 V
I
10
CC
I
I
V = 5.5 V
I
20
µA
‡
V = V
I
1
A or B ports
V
CC
= 3.6 V
CC
V = 0
I
–5
–5
I
I
V
V
= 0,
V or V = 0 to 4.5 V
±100
µA
µA
off
CC
I
O
V = 0.8 V
I
75
75
= 3 V
CC
A or B ports
V = 2 V
I
–75
–75
I(hold)
§
V
V
= 3.6 V
V = 0 to 3.6 V
I
±500
±100
CC
= 0 to 1.5 V, V = 0.5 to 3 V,
OE/OE = don’t care
CC
O
I
I
±100
±100
µA
µA
OZPU
V
= 1.5 V to 0, V = 0.5 to 3 V,
CC
OE/OE = don’t care
O
±100
OZPD
Outputs high
Outputs low
0.19
5
0.19
5
V
= 3.6 V, I = 0,
O
CC
V = V
I
mA
CC
or GND
CC
I
Outputs disabled
0.19
0.19
V
= 3 V to 3.6 V, One input at V – 0.6 V,
CC
CC
Other inputs at V
¶
0.2
0.2
mA
∆I
CC
or GND
CC
C
C
V = 3 V or 0
4
9
4
9
pF
pF
i
I
V
O
= 3 V or 0
io
On products compliant to MIL-PRF-38535, this parameter is not production tested.
†
‡
§
¶
All typical values are at V
= 3.3 V, T = 25°C.
CC A
or GND
Unused terminals at V
CC
This is the bus-hold maximum dynamic current. It is the minimum overdrive current required to switch the input from one state to another.
This is the increase in supply current for each input that is at the specified TTL voltage level rather than V or GND.
CC
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.
7
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN54LVTH652, SN74LVTH652
3.3-V ABT OCTAL BUS TRANSCEIVERS AND REGISTERS
WITH 3-STATE OUTPUTS
SCBS706D – AUGUST 1997 – REVISED APRIL 1999
timing requirements over recommended operating free-air temperature range (unless otherwise
noted) (see Figure 2)
SN54LVTH652
= 3.3 V
SN74LVTH652
= 3.3 V
V
CC
V
CC
V
= 2.7 V
V
= 2.7 V
UNIT
CC
CC
± 0.3 V
± 0.3 V
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
f
t
Clock frequency
150
150
150
150
MHz
ns
clock
Pulse duration, CLK high or low
3.3
1.3
1.9
1.2
3.3
1.6
2.6
1.2
3.3
1.2
1.6
0.8
3.3
1.5
2.2
0.8
w
Data high
Data low
Setup time,
A or B before CLKAB↑ or CLKBA↑
t
ns
ns
su
h
t
Hold time, A or B after CLKAB↑ or CLKBA↑
switching characteristics over recommended operating free-air temperature range, C = 50 pF
L
(unless otherwise noted) (see Figure 2)
SN54LVTH652
= 3.3 V
SN74LVTH652
FROM
(INPUT)
TO
(OUTPUT)
V
V
= 3.3 V
V
CC
CC
V
CC
= 2.7 V
= 2.7 V
MAX
PARAMETER
UNIT
CC
± 0.3 V
± 0.3 V
†
MIN
150
1.7
1.7
1.2
1.2
1.4
1.4
1
MAX
MIN
MAX
MIN TYP
MAX
MIN
f
t
t
t
t
t
t
t
t
t
t
t
t
t
t
150
150
150
MHz
ns
max
PLH
PHL
PLH
PHL
PLH
PHL
PZH
PZL
PHZ
PLZ
PZH
PZL
PHZ
PLZ
5
5
5.9
5.9
4.3
4.3
6.3
6.3
6.7
6.7
6.5
6.3
5.9
5.9
7
1.8
1.8
1.3
1.3
1.5
1.5
1.1
1.1
2.3
2.3
1.3
1.3
1.5
1.5
3.1
3.1
2.3
2.4
3.1
3.4
2.9
3.1
3.5
3.7
3
4.7
4.7
3.5
3.5
4.9
4.9
5.2
5.2
5.5
5.5
4.7
4.7
5.6
5.6
5.6
5.6
4.1
4.1
6
CLKBA or
CLKAB
A or B
3.7
3.7
5.2
5.2
5.4
5.4
5.9
5.9
4.9
4.9
5.8
5.9
A or B
SBA or SAB
OEBA
B or A
ns
ns
ns
ns
ns
ns
‡
A or B
6
6.5
6.5
6.1
5.9
5.7
5.7
6.7
6.3
A
A
B
B
1
2.2
2.2
1.2
1.2
1.4
1.4
OEBA
OEAB
3.3
3.6
3.7
OEAB
6.6
†
‡
All typical values are at V
= 3.3 V, T = 25°C.
A
CC
These parameters are measured with the internal output state of the storage register opposite that of the bus input.
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.
8
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN54LVTH652, SN74LVTH652
3.3-V ABT OCTAL BUS TRANSCEIVERS AND REGISTERS
WITH 3-STATE OUTPUTS
SCBS706D – AUGUST 1997 – REVISED APRIL 1999
PARAMETER MEASUREMENT INFORMATION
6 V
S1
TEST
/t
S1
Open
GND
500 Ω
From Output
Under Test
t
Open
6 V
PLH PHL
t
/t
PLZ PZL
C
= 50 pF
L
t
/t
GND
500 Ω
PHZ PZH
(see Note A)
2.7 V
0 V
LOAD CIRCUIT
1.5 V
Timing Input
Data Input
t
w
t
t
h
su
2.7 V
0 V
2.7 V
0 V
Input
1.5 V
1.5 V
1.5 V
1.5 V
VOLTAGE WAVEFORMS
PULSE DURATION
VOLTAGE WAVEFORMS
SETUP AND HOLD TIMES
2.7 V
0 V
2.7 V
Output
Control
1.5 V
1.5 V
1.5 V
1.5 V
Input
0 V
V
t
t
t
t
t
PLZ
PLH
PHL
PZL
Output
Waveform 1
S1 at 6 V
3 V
OH
1.5 V
1.5 V
1.5 V
1.5 V
Output
V
V
+ 0.3 V
OL
V
OL
(see Note B)
V
OL
t
t
t
PHL
PLH
PZH
PHZ
Output
Waveform 2
S1 at GND
V
OH
V
V
OH
– 0.3 V
OH
1.5 V
1.5 V
Output
≈ 0 V
(see Note B)
OL
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
INVERTING AND NONINVERTING OUTPUTS
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES
LOW- AND HIGH-LEVEL ENABLING
NOTES: A.
C includes probe and jig capacitance.
L
B. Waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control.
Waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control.
C. All input pulses are supplied by generators having the following characteristics: PRR ≤ 10 MHz, Z = 50 Ω, t ≤ 2.5 ns, t ≤ 2.5 ns.
O
r
f
D. The outputs are measured one at a time with one transition per measurement.
Figure 2. Load Circuit and Voltage Waveforms
9
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