TI AVCE6467T-2

SCES588B – AUGUST 2004 − REVISED MARCH 2005
D Control Inputs VIH/VIL Levels Are
D
D
D
D
D I/Os Are 4.6-V Tolerant
D Bus Hold on Data Inputs Eliminates the
Referenced to VCCA Voltage
VCC Isolation Feature − If Either VCC Input
Is at GND, All Outputs Are in the
High-Impedance State
Overvoltage-Tolerant Inputs/Outputs Allow
Mixed-Voltage-Mode Data Communications
Fully Configurable Dual-Rail Design Allows
Each Port to Operate Over the Full 1.2-V to
3.6-V Power-Supply Range
Ioff Supports Partial-Power-Down Mode
Operation
D
D
Need for External Pullup/Pulldown
Resistors
Latch-Up Performance Exceeds 100 mA Per
JESD 78, Class II
ESD Protection Exceeds JESD 22
− 8000-V Human-Body Model (A114-A)
− 200-V Machine Model (A115-A)
− 1000-V Charged-Device Model (C101)
description/ordering information
This 24-bit noninverting bus transceiver uses two separate configurable power-supply rails. The
SN74AVCH24T245 is optimized to operate with VCCA/VCCB set at 1.4 V to 3.6 V. It is operational with VCCA/VCCB
as low as 1.2 V. The A port is designed to track VCCA. VCCA accepts any supply voltage from 1.2 V to 3.6 V. The
B port is designed to track VCCB. VCCB accepts any supply voltage from 1.2 V to 3.6 V. This allows for universal
low-voltage bidirectional translation between any of the 1.2-V, 1.5-V, 1.8-V, 2.5-V, and 3.3-V voltage nodes.
The SN74AVCH24T245 is designed for asynchronous communication between data buses. The device
transmits data from the A bus to the B bus or from the B bus to the A bus, depending on the logic level at the
direction-control (DIR) input. The output-enable (OE) input can be used to disable the outputs so the buses are
effectively isolated.
The SN74AVCH24T245 is designed so that the control pins (1DIR, 2DIR, 3DIR, 4DIR, 5DIR, 6DIR, 1OE, 2OE,
3OE, 4OE, 5OE, and 6OE) are supplied by VCCA.
This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs,
preventing damaging current backflow through the device when it is powered down.
The VCC isolation feature ensures that if either VCC input is at GND, then both ports are in the high-impedance
state.
Active bus-hold circuitry holds unused or undriven inputs at a valid logic state. Use of pullup or pulldown resistors
with the bus-hold circuitry is not recommended.
To ensure the high-impedance state during power up or power down, OE should be tied to VCCA through a pullup
resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
ORDERING INFORMATION
ORDERABLE
PART NUMBER
PACKAGE†
TA
LFBGA − GRG
−40°C to 85°C
LFBGA − ZRG (Pb-free)
TOP-SIDE
MARKING
74AVCH24T245GRGR
Tape and reel
74AVCH24T245ZRGR
WL245
† Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are
available at www.ti.com/sc/package.
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  2005, Texas Instruments Incorporated
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#'$#1 "** (""!'#'$,
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1
SCES588B – AUGUST 2004 − REVISED MARCH 2005
GRG OR ZRG PACKAGE
(TOP VIEW)
1
2
3
4
5
6
terminal assignments
1
2
3
4
5
6
A
A
6OE
5OE
4OE
3OE
2OE
1OE
B
B
1B1
1B2
1A1
C
1B3
1B4
VCCA
GND
1A2
C
VCCB
GND
1A4
1A3
D
D
2B1
2B2
2B4
VCCA
GND
2A1
2B3
VCCB
GND
2A2
E
2A4
2A3
GND
GND
3A2
3A1
GND
3A4
3A3
VCCA
GND
4A2
4A1
E
F
G
H
J
K
L
F
3B1
3B2
G
3B3
3B4
H
4B1
4B2
J
4B3
4B4
VCCB
GND
4A4
4A3
K
5B1
5B2
GND
GND
5A2
5A1
L
5B3
5B4
VCCB
GND
VCCA
GND
5A4
5A3
6A2
6A1
VCCB
4DIR
VCCA
3DIR
6A4
6A3
2DIR
1DIR
M
6B1
6B2
M
N
6B3
6B4
N
P
6DIR
5DIR
P
FUNCTION TABLE
(each 4-bit section)
INPUTS
2
OPERATION
OE
DIR
L
L
B data to A bus
L
H
A data to B bus
H
X
Isolation
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logic diagram (positive logic)
1DIR
P6
2DIR
A6
1A1
A5
1OE
B6
2A1
B1
P5
D6
D1
1B1
P4
4DIR
A4
3A1
P3
A3
3OE
F6
4A1
F1
H1
3B1
4B1
To Three Other Channels
P2
6DIR
A2
5A1
4OE
H6
To Three Other Channels
5DIR
2B1
To Three Other Channels
To Three Other Channels
3DIR
2OE
A1
5OE
K6
6A1
K1
P1
M6
M1
5B1
6B1
To Three Other Channels
To Three Other Channels
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3
SCES588B – AUGUST 2004 − REVISED MARCH 2005
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)†
Supply voltage range, VCCA and VCCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to 4.6 V
Input voltage range, VI (see Note 1): I/O ports (A port) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to 4.6 V
I/O ports (B port) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to 4.6 V
Control inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to 4.6 V
Voltage range applied to any output in the high-impedance or power-off state, VO
(see Note 1): A port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to 4.6 V
B port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to 4.6 V
Voltage range applied to any output in the high or low state, VO
(see Notes 1 and 2): A port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to VCCA + 0.5 V
B port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to VCCB + 0.5 V
Input clamp current, IIK (VI < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −50 mA
Output clamp current, IOK (VO < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −50 mA
Continuous output current, IO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±50 mA
Continuous current through each VCCA, VCCB, and GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±100 mA
Package thermal impedance, θJA (see Note 3): GRG/ZRG package . . . . . . . . . . . . . . . . . . . . . . . . . . . 50°C/W
Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −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.
NOTES: 1. The input voltage and output negative-voltage ratings may be exceeded if the input and output current ratings are observed.
2. The output positive-voltage rating may be exceeded up to 4.6 V maximum if the output current rating is observed.
3. The package thermal impedance is calculated in accordance with JESD 51-7.
4
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recommended operating conditions (see Notes 4 through 6)
VCCI
VCCA
VCCB
VCCO
MIN
MAX
Supply voltage
1.2
3.6
V
Supply voltage
1.2
3.6
V
VCCI × 0.65
1.6
1.2 V to 1.95 V
VIH
High-level input
voltage
Data inputs
(see Note 7)
1.95 V to 2.7 V
2.7 V to 3.6 V
VIL
Data inputs
(see Note 7)
VCCI × 0.35
0.7
1.95 V to 2.7 V
2.7 V to 3.6 V
VIH
VIL
VI
VO
IOH
IOL
∆t/∆v
High-level input
voltage
Low-level input
voltage
DIR
(referenced to VCCA)
(see Note 8)
DIR
(referenced to VCCA)
(see Note 8)
V
0.8
VCCA × 0.65
1.6
1.2 V to 1.95 V
1.95 V to 2.7 V
2.7 V to 3.6 V
V
2
VCCA × 0.35
0.7
1.2 V to 1.95 V
1.95 V to 2.7 V
2.7 V to 3.6 V
V
0.8
Input voltage
Output voltage
V
2
1.2 V to 1.95 V
Low-level input
voltage
UNIT
0
3.6
V
Active state
0
3-state
0
VCCO
3.6
V
High-level output current
Low-level output current
1.2 V
−3
1.4 V to 1.6 V
−6
1.65 V to 1.95 V
−8
2.3 V to 2.7 V
−9
3 V to 3.6 V
−12
1.2 V
3
1.4 V to 1.6 V
6
1.65 V to 1.95 V
8
2.3 V to 2.7 V
9
3 V to 3.6 V
12
Input transition rise or fall rate
5
mA
mA
ns/V
TA
Operating free-air temperature
−40
85
°C
NOTES: 4. VCCI is the VCC associated with the data input port.
5. VCCO is the VCC associated with the output port.
6. All unused data inputs of the device must be held at VCCI or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs, literature number SCBA004.
7. For VCCI values not specified in the data sheet, VIH min = VCCI × 0.7 V, VIL max = VCCI × 0.3 V.
8. For VCCI values not specified in the data sheet, VIH min = VCCA × 0.7 V, VIL max = VCCA × 0.3 V.
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SCES588B – AUGUST 2004 − REVISED MARCH 2005
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted) (see Note 9)
PARAMETER
TEST CONDITIONS
1.2 V to 3.6 V
1.2 V to 3.6 V
1.2 V
1.2 V
1.4 V
1.4 V
1.05
1.65 V
1.65 V
1.2
IOH = −9 mA
IOH = −12 mA
2.3 V
2.3 V
1.75
3V
3V
2.3
IOL = 100 µA
IOL = 3 mA
1.2 V to 3.6 V
1.2 V to 3.6 V
1.2 V
1.2 V
IOH = −6 mA
IOH = −8 mA
IOL = 6 mA
IOL = 8 mA
VOL
VI = VIH
II
IBHL†
IBHH‡
IBHHO¶
MIN
MAX
VCCO − 0.2 V
V
0.2
0.15
1.4 V
0.35
1.65 V
0.45
2.3 V
2.3 V
0.55
3V
3V
0.7
1.2 V to 3.6 V
1.2 V to 3.6 V
VI = 0.42 V
VI = 0.49 V
1.2 V
1.2 V
1.4 V
1.4 V
15
VI = 0.58 V
VI = 0.7 V
1.65 V
1.65 V
25
2.3 V
2.3 V
45
VI = 0.8 V
VI = 0.78 V
3.3 V
3.3 V
100
1.2 V
1.2 V
VI = 0.91 V
VI = 1.07 V
1.4 V
1.4 V
−15
1.65 V
1.65 V
−25
2.3 V
2.3 V
−45
3.3 V
3.3 V
−100
1.2 V
1.2 V
1.6 V
1.6 V
125
1.95 V
1.95 V
200
2.7 V
2.7 V
300
3.6 V
3.6 V
1.2 V
1.2 V
VI = VCCA or GND
VI = 0 to VCC
VI = 0 to VCC
UNIT
0.95
1.4 V
VI = 1.6 V
VI = 2 V
IBHLO§
MIN
1.65 V
VI = VIL
IOL = 9 mA
IOL = 12 mA
Control
inputs
−40°C to 85°C
VCCB
IOH = −100 µA
IOH = −3 mA
VOH
TA = 25°C
TYP
MAX
VCCA
±0.025
±0.25
±1
V
µA
25
µA
−25
µA
50
µA
500
−50
1.6 V
1.6 V
−125
1.95 V
1.95 V
−200
2.7 V
2.7 V
−300
3.6 V
3.6 V
−500
µA
† The bus-hold circuit can sink at least the minimum low sustaining current at VIL max. IBHL should be measured after lowering VIN to GND and
then raising it to VIL max.
‡ The bus-hold circuit can source at least the minimum high sustaining current at VIH min. IBHH should be measured after raising VIN to VCC and
then lowering it to VIH min.
§ An external driver must source at least IBHLO to switch this node from low to high.
¶ An external driver must sink at least IBHHO to switch this node from high to low.
NOTE 9: VCCO is the VCC associated with the output port.
6
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electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted) (see Notes 10 and 11) (continued)
PARAMETER
TEST CONDITIONS
B port
A or B
ports
IOZ†
B port
A port
ICCA
VI or VO = 0 to 3.6 V
ICCB
Cio
A or B
ports
IO = 0
−40°C to 85°C
MIN
MAX
UNIT
±0.1
±2.5
±5
0V
±0.1
±2.5
±5
3.6 V
3.6 V
±0.5
±2.5
±5
0V
3.6 V
±5
3.6 V
0V
±5
1.2 V to 3.6 V
1.2 V to 3.6 V
40
0V
3.6 V
−5
3.6 V
0V
40
1.2 V to 3.6 V
1.2 V to 3.6 V
40
0V
3.6 V
40
3.6 V
0V
−5
1.2 V to 3.6 V
1.2 V to 3.6 V
75
3.3 V
3.3 V
3.5
pF
3.3 V
3.3 V
7
pF
IO = 0
ICCA ) ICCB VI = VCCI or GND,
Control
Ci
VI = 3.3 V or GND
inputs
TA = 25°C
TYP
MAX
0 to 3.6 V
IO = 0
VI = VCCI or GND,
MIN
0V
OE = VIH
VO = VCCO or GND,
VI = VCCI or GND
OE = don’t
care
VI = VCCI or GND,
VCCB
0 to 3.6 V
A port
Ioff
VCCA
VO = 3.3 V or GND
µA
A
A
µA
µA
µA
µA
† For I/O ports, the parameter IOZ includes the input leakage current.
NOTES: 10. VCCO is the VCC associated with the output port.
11. VCCI is the VCC associated with the input port.
switching characteristics over recommended operating free-air temperature range,
VCCA = 1.2 V (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
tPLH
tPHL
A
B
tPLH
tPHL
B
A
tPZH
tPZL
OE
A
tPZH
tPZL
OE
B
tPHZ
tPLZ
OE
A
tPHZ
tPLZ
OE
B
VCCB = 1.2 V
TYP
VCCB = 1.5 V
TYP
VCCB = 1.8 V
TYP
VCCB = 2.5 V
TYP
VCCB = 3.3 V
TYP
4.1
3.3
3
2.8
3.2
4.1
3.3
3
2.8
3.2
4.4
4
3.8
3.6
3.5
4.4
4
3.8
3.6
3.5
6.4
6.4
6.4
6.4
6.4
6.4
6.4
6.4
6.4
6.4
6
4.6
4
3.4
3.2
6
4.6
4
3.4
3.2
6.6
6.6
6.6
6.6
6.8
6.6
6.6
6.6
6.6
6.8
6
4.9
4.9
4.2
5.3
6
4.9
4.9
4.2
5.3
POST OFFICE BOX 655303
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UNIT
ns
ns
ns
ns
ns
ns
7
SCES588B – AUGUST 2004 − REVISED MARCH 2005
switching characteristics over recommended operating free-air temperature range,
VCCA = 1.5 V ± 0.1 V (see Figure 1)
FROM
(INPUT)
TO
(OUTPUT)
tPLH
tPHL
A
B
tPLH
tPHL
B
A
tPZH
tPZL
OE
A
tPZH
tPZL
OE
B
tPHZ
tPLZ
OE
A
tPHZ
tPLZ
OE
B
PARAMETER
VCCB = 1.2 V
VCCB = 1.5 V
± 0.1 V
VCCB = 1.8 V
± 0.15 V
VCCB = 2.5 V
± 0.2 V
VCCB = 3.3 V
± 0.3 V
TYP
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
3.6
0.5
6.2
0.5
5.2
0.5
4.1
0.5
3.7
3.6
0.5
6.2
0.5
5.2
0.5
4.1
0.5
3.7
3.3
0.5
6.2
0.5
5.9
0.5
5.6
0.5
5.5
3.3
0.5
6.2
0.5
5.9
0.5
5.6
0.5
5.5
4.3
1
10.1
1
10.1
1
10.1
1
10.1
4.3
1
10.1
1
10.1
1
10.1
1
10.1
5.6
1
10.1
0.5
8.1
0.5
5.9
0.5
5.2
5.6
1
10.1
0.5
8.1
0.5
5.9
0.5
5.2
4.5
1.5
9.1
1.5
9.1
1.5
9.1
1.5
9.1
4.5
1.5
9.1
1.5
9.1
1.5
9.1
1.5
9.1
5.5
1.5
8.7
1.5
7.5
1
6.5
1
6.3
5.5
1.5
8.7
1.5
7.5
1
6.5
1
6.3
UNIT
ns
ns
ns
ns
ns
ns
switching characteristics over recommended operating free-air temperature range,
VCCA = 1.8 V ± 0.15 V (see Figure 1)
FROM
(INPUT)
TO
(OUTPUT)
tPLH
tPHL
A
B
tPLH
tPHL
B
A
tPZH
tPZL
OE
A
tPZH
tPZL
OE
B
tPHZ
tPLZ
OE
A
tPHZ
tPLZ
OE
B
PARAMETER
8
VCCB = 1.2 V
VCCB = 1.5 V
± 0.1 V
VCCB = 1.8 V
± 0.15 V
VCCB = 2.5 V
± 0.2 V
VCCB = 3.3 V
± 0.3 V
TYP
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
3.4
0.5
5.9
0.5
4.8
0.5
3.7
0.5
3.3
3.4
0.5
5.9
0.5
4.8
0.5
3.7
0.5
3.3
3
0.5
5.2
0.5
4.8
0.5
4.5
0.5
4.4
3
0.5
5.2
0.5
4.8
0.5
4.5
0.5
4.4
3.4
1
7.8
1
7.8
1
7.8
1
7.8
3.4
1
7.8
1
7.8
1
7.8
1
7.8
5.4
1
9.2
0.5
7.4
0.5
5.3
0.5
4.5
5.4
1
9.2
0.5
7.4
0.5
5.3
0.5
4.5
4.2
1.5
7.7
1.5
7.7
1.5
7.7
1.5
7.7
4.2
1.5
7.7
1.5
7.7
1.5
7.7
1.5
7.7
5.2
1.5
8.4
1.5
7.1
1
5.9
1
5.7
5.2
1.5
8.4
1.5
7.1
1
5.9
1
5.7
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UNIT
ns
ns
ns
ns
ns
ns
SCES588B – AUGUST 2004 − REVISED MARCH 2005
switching characteristics over recommended operating free-air temperature range,
VCCA = 2.5 V ± 0.2 V (see Figure 1)
FROM
(INPUT)
TO
(OUTPUT)
tPLH
tPHL
A
B
tPLH
tPHL
B
A
tPZH
tPZL
OE
A
tPZH
tPZL
OE
B
tPHZ
tPLZ
OE
A
tPHZ
tPLZ
OE
B
PARAMETER
VCCB = 1.2 V
VCCB = 1.5 V
± 0.1 V
VCCB = 1.8 V
± 0.15 V
VCCB = 2.5 V
± 0.2 V
VCCB = 3.3 V
± 0.3 V
TYP
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
3.2
0.5
5.6
0.5
4.5
0.5
3.3
0.5
2.8
3.2
0.5
5.6
0.5
4.5
0.5
3.3
0.5
2.8
2.6
0.5
4.1
0.5
3.7
0.5
3.3
0.5
3.2
2.6
0.5
4.1
0.5
3.7
0.5
3.3
0.5
3.2
2.5
0.5
5.3
0.5
5.3
0.5
5.3
0.5
5.3
2.5
0.5
5.3
0.5
5.3
0.5
5.3
0.5
5.3
5.2
0.5
9.4
0.5
7.3
0.5
5.1
0.5
4.5
5.2
0.5
9.4
0.5
7.3
0.5
5.1
0.5
4.5
3
1
6.1
1
6.1
1
6.1
1
6.1
3
1
6.1
1
6.1
1
6.1
1
6.1
5
1
7.9
1
6.6
1
6.1
1
5.2
5
1
7.9
1
6.6
1
6.1
1
5.2
UNIT
ns
ns
ns
ns
ns
ns
switching characteristics over recommended operating free-air temperature range,
VCCA = 3.3 V ± 0.3 V (see Figure 1)
FROM
(INPUT)
TO
(OUTPUT)
tPLH
tPHL
A
B
tPLH
tPHL
B
A
tPZH
tPZL
OE
A
tPZH
tPZL
OE
B
tPHZ
tPLZ
OE
A
tPHZ
tPLZ
OE
B
PARAMETER
VCCB = 1.2 V
VCCB = 1.5 V
± 0.1 V
VCCB = 1.8 V
± 0.15 V
VCCB = 2.5 V
± 0.2 V
VCCB = 3.3 V
± 0.3 V
TYP
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
3.2
0.5
5.5
0.5
4.4
0.5
3.2
0.5
2.7
3.2
0.5
5.5
0.5
4.4
0.5
3.2
0.5
2.7
2.8
0.5
3.7
0.5
3.3
0.5
2.8
0.5
2.7
2.8
0.5
3.7
0.5
3.3
0.5
2.8
0.5
2.7
2.2
0.5
4.3
0.5
4.2
0.5
4.1
0.5
4
2.2
0.5
4.3
0.5
4.2
0.5
4.1
0.5
4
5.1
0.5
9.3
0.5
7.2
0.5
4.9
0.5
4
5.1
0.5
9.3
0.5
7.2
0.5
4.9
0.5
4
3.4
0.5
5
0.5
5
0.5
5
0.5
5
3.4
0.5
5
0.5
5
0.5
5
0.5
5
4.9
1
7.7
1
6.5
1
5.2
0.5
5
4.9
1
7.7
1
6.5
1
5.2
0.5
5
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
UNIT
ns
ns
ns
ns
ns
ns
9
SCES588B – AUGUST 2004 − REVISED MARCH 2005
operating characteristics, TA = 25°C
VCCA =
VCCB = 1.2 V
VCCA =
VCCB = 1.5 V
VCCA =
VCCB = 1.8 V
VCCA =
VCCB = 2.5 V
VCCA =
VCCB = 3.3 V
TYP
TYP
TYP
TYP
TYP
1
1
1
2
2
1
1
1
1
2
19
19
20
21
22
Outputs
disabled
1
1
1
1
1
Outputs
enabled
19
19
20
21
22
1
1
1
1
1
1
1
1
2
2
1
1
1
1
2
PARAMETER
TEST
CONDITIONS
Outputs
enabled
A to B
CpdA†
Outputs
disabled
Outputs
enabled
B to A
A to B
CpdB†
Outputs
disabled
Outputs
enabled
B to A
CL = 0,
f = 10 MHz,
tr = tf = 1 ns
CL = 0,
f = 10 MHz,
tr = tf = 1 ns
Outputs
disabled
pF
pF
† Power dissipation capacitance per transceiver
10
UNIT
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
SCES588B – AUGUST 2004 − REVISED MARCH 2005
PARAMETER MEASUREMENT INFORMATION
2 × VCCO
S1
RL
From Output
Under Test
Open
GND
CL
(see Note A)
TEST
S1
tpd
tPLZ/tPZL
tPHZ/tPZH
Open
2 × VCCO
GND
RL
tw
LOAD CIRCUIT
VCCI
VCCI/2
Input
VCCO
1.2 V
1.5 V ± 0.1 V
1.8 V ± 0.15 V
2.5 V ± 0.2 V
3.3 V ± 0.3 V
CL
RL
15 pF
15 pF
15 pF
15 pF
15 pF
2 kΩ
2 kΩ
2 kΩ
2 kΩ
2 kΩ
VTP
0.1 V
0.1 V
0.15 V
0.15 V
0.3 V
VCCI/2
0V
VOLTAGE WAVEFORMS
PULSE DURATION
VCCA
Output
Control
(low-level
enabling)
VCCA/2
0V
tPLZ
tPZL
VCCI
Input
VCCI/2
VCCI/2
0V
tPLH
Output
VOH
VCCO/2
VOL
VCCO/2
VCCO
Output
Waveform 1
S1 at 2 × VCCO
(see Note B)
tPHL
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
VCCA/2
VCCO/2
VOL
tPHZ
tPZH
Output
Waveform 2
S1 at GND
(see Note B)
VOL + VTP
VCCO/2
VOH − VTP
VOH
0V
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES
NOTES: A. CL includes probe and jig capacitance.
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: PRRv10 MHz, ZO = 50 Ω, dv/dt ≥ 1 V/ns,
dv/dt ≥1 V/ns.
D. The outputs are measured one at a time, with one transition per measurement.
E. tPLZ and tPHZ are the same as tdis.
F. tPZL and tPZH are the same as ten.
G. tPLH and tPHL are the same as tpd.
H. VCCI is the VCC associated with the input port.
I. VCCO is the VCC associated with the output port.
Figure 1. Load Circuit and Voltage Waveforms
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
11
PACKAGE OPTION ADDENDUM
www.ti.com
16-Aug-2005
PACKAGING INFORMATION
Orderable Device
Status (1)
SN74AVCH24T245GRGR
ACTIVE
BGA MI
CROSTA
R JUNI
OR
GRG
83
1000
SN74AVCH24T245ZRGR
ACTIVE
BGA MI
CROSTA
R JUNI
OR
ZRG
83
1000 Green (RoHS &
no Sb/Br)
Package
Type
Package
Drawing
Pins Package Eco Plan (2)
Qty
TBD
Lead/Ball Finish
MSL Peak Temp (3)
SNPB
Level-1-240C-UNLIM
SNAGCU
Level-1-260C-UNLIM
(1)
The marketing status values are defined as follows:
ACTIVE: Product device recommended for new designs.
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in
a new design.
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.
OBSOLETE: TI has discontinued the production of the device.
(2)
Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS) or Green (RoHS & no Sb/Br) - please check
http://www.ti.com/productcontent for the latest availability information and additional product content details.
TBD: The Pb-Free/Green conversion plan has not been defined.
Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements
for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered
at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.
Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame
retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material)
(3)
MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder
temperature.
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Addendum-Page 1
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