HITACHI HD74LVCZ16245A

HD74LVCZ16245A
16–bit Bidirectional Transceivers with 3–state Outputs
ADE-205-233 (Z)
1st. Edition
February 1999
Description
The HD74LVCZ16245A has sixteen two direction buffers, for the fittest at two direction bus lines with
three state outputs in a 48 pin package. When (DIR) is high, data flows from the A inputs to the B outputs,
and when (DIR) is low, data flows from the B inputs to the A outputs. A and B bus are separated by
making enable input (G) high level.
When VCC is between 0 and 1.5 V, the device is in the high impedance state during power up or power
down.
Low voltage and high speed operation is suitable at battery drive product (note type personal computer) and
low power consumption extends the life of a battery for long time operation.
Features
• VCC = 2.7 to 5.5 V
• All inputs VIH (Max) = 5.5 V (@VCC = 0 to 5.5 V)
• All inputs / outputs V I/O (Max) = 5.5 V (@V CC = 0 V or output off state)
• Typical VOL ground bounce < 0.8 V (@VCC = 3.3 V, Ta = 25°C)
• Typical VOH undershoot > 2.0 V (@VCC = 3.3 V, Ta = 25°C)
• High impedance state during power up and power down
• Power off disables outputs, permitting live insertion
• High output current ±24 mA (@V CC = 3.0 to 5.5 V)
HD74LVCZ16245A
Function Table
Inputs
Operation
G
DIR
L
L
B data to A bus
L
H
A data to B bus
H
X
Z
H : High level
L : Low level
X : Immaterial
Z : High impedance
2
HD74LVCZ16245A
Pin Arrangement
1DIR 1
48 1G
1B1 2
47 1A1
1B2 3
46 1A2
GND 4
45 GND
1B3 5
44 1A3
1B4 6
43 1A4
VCC 7
42 VCC
1B5 8
41 1A5
1B6 9
40 1A6
GND 10
39 GND
1B7 11
38 1A7
1B8 12
37 1A8
2B1 13
36 2A1
2B2 14
35 2A2
GND 15
34 GND
2B3 16
33 2A3
2B4 17
32 2A4
VCC 18
31 VCC
2B5 19
30 2A5
2B6 20
29 2A6
GND 21
28 GND
2B7 22
27 2A7
2B8 23
26 2A8
2DIR 24
25 2G
(Top view)
3
HD74LVCZ16245A
Absolute Maximum Ratings
Item
Symbol
Ratings
Unit
Supply voltage
VCC
–0.5 to 7.0
V
Input voltage
VI
–0.5 to 7.0
V
Input / output voltage
VI/O
–0.5 to 7.0
V
–0.5 to VCC+0.5
Conditions
Output “Z” or VCC : OFF
Output “H” or “L”
Input diode current
I IK
–50
mA
VI < 0
Output diode current
I OK
–50
mA
VO < 0
Output current
IO
±50
mA
VCC, GND current
I CC or IGND
±100
mA
Storage temperature
Tstg
–65 to 150
°C
Note: The absolute maximum ratings are values which must not individually be exceeded, and furthermore,
no two of which may be realized at the same time.
Recommended Operating Conditions
Item
Symbol
Ratings
Unit
Conditions
Supply voltage
VCC
2.7 to 5.5
V
At operation
Input voltage
VI
0 to 5.5
V
Input / output voltage
VI/O
0 to 5.5
V
0 to V CC
Output current
I OH
–12
–24
I OL
Output “H” or “L”
mA
*1
VCC = 2.7 V
*1
VCC = 3.0 to 5.5 V
Input rise / fall time
t r, t f
0 to 6
ns / V
Operating temperature
Ta
–40 to +85
°C
Note:
4
1. Duty cycle ≤ 50%
VCC = 2.7 V
VCC = 3.0 to 5.5 V
12
24
Output “Z” or VCC : OFF
HD74LVCZ16245A
Logic Diagram
1DIR
1
48
1A1
1G
47
2
1B1
To seven other channels
2DIR
24
25
2A1
2G
36
13
2B1
To seven other channels
5
HD74LVCZ16245A
Electrical Characteristics (Ta = –40 to 85°C)
Item
Symbol VCC (V)
Input voltage
VIH
VIL
Output voltage
VOH
Min
Typ
Max
Unit Test Conditions
—
—
V
4.5 to 5.5 VCC×0.7 —
—
2.7 to 3.6 —
—
0.8
4.5 to 5.5 —
—
VCC×0.3
2.7 to 3.6 2.0
—
2.7
2.2
—
—
3.0
2.4
—
—
3.0
2.2
—
—
4.5
3.8
—
—
2.7 to 5.5 —
—
0.2
I OL = 100 µA
2.7
—
—
0.4
I OL = 12 mA
3.0
—
—
0.55
I OL = 24 mA
4.5
—
—
0.55
0 to 5.5
—
—
±5
µA
VIN = 0 to 5.5 V
2.7 to 5.5 —
—
±5
µA
VOUT = 0 to 5.5 V
I OZPU
0 to 1.5
—
—
±5
VOUT = 0.5 to 5.5 V,
I OZPD
1.5 to 0
—
—
±5
Output enable = don’t care
Output leak current
I OFF
0
—
—
±5
µA
VIN or VO = 5.5 V
Quiescent supply
I CC
2.7 to 3.6 —
—
225
µA
VIN = 3.6 to 5.5 V *1 , I O = 0
2.7 to 5.5 —
—
350
VIN = VCC or GND
∆I CC
2.7 to 3.6 —
—
500
VIN = one input at (VCC–0.6) V,
other inputs at V CC or GND
Input capacitance
CIN
3.3
—
4.1
—
pF
VIN = VCC or GND
Input / output
capacitance
CI/O
3.3
—
9.2
—
pF
VOUT = VCC or GND
VOL
Input current
I IN
Off state output current I OZ
current
Note:
6
1. This applies in the disabled state only.
V
I OH = –100 µA
2.7 to 5.5 VCC–0.2 —
I OH = –12 mA
I OH = –24 mA
HD74LVCZ16245A
Switching Characteristics (Ta = –40 to 85°C)
Item
Symbol VCC (V)
Min
Typ
Max
Unit
FROM
(Input)
TO
(Output)
Propagation delay time
t PLH
2.7
—
—
5.2
ns
A or B
B or A
t PHL
3.3±0.3 1.0
—
4.6
5.0±0.5 —
—
4.0
t ZH
2.7
—
7.3
ns
G
A or B
t ZL
3.3±0.3 1.5
—
6.3
5.0±0.5 —
—
5.2
t HZ
2.7
—
7.5
ns
G
A or B
t LZ
3.3±0.3 1.5
—
6.9
5.0±0.5 —
—
6.0
t OSLH
2.7
—
—
—
t OSHL
3.3±0.3 —
—
1.0
5.0±0.5 —
—
1.0
Output enable time
Output disable time
Between output pin skew
*1
—
—
ns
Note : 1. This parameter is characterized but not tested.
t OSLH = |tPLHm–t PLHn |, tOSHL = |tPHLm–t PHLn |
7
HD74LVCZ16245A
Test Circuit
VCC
VCC
Pulse generator
Zout = 50 Ω
See Function Table
G
Input
Output
A1
S1
500 Ω
OPEN
See
under table
GND
S2
*1
B1
CL =
50 pF
450 Ω
50 Ω Scope
DIR
Symbol
Vcc=5.0±0.5V
t PLH / t PHL
OPEN
OPEN
t ZH/ t HZ
t ZL / t LZ
GND
6V
GND
2×VCC
Notes: 1. C L includes probe and jig capacitance.
2. A2–B2 to A8–B8 are identical to above load circuit.
3. S1 : Input–Output change switch.
8
S2
Vcc=2.7V,
3.3±0.3V
HD74LVCZ16245A
• Waveforms – 1
tr
tf
90 %
Vref
Input
VIH
90 %
Vref
10 %
10 %
GND
t PHL
t PLH
VOH
Output
Vref
Vref
VOL
• Waveforms – 2
tf
Input G
tr
90 %
Vref
VIH
90 %
Vref
10 %
t ZL
10 %
GND
t LZ
≈VOH1
Waveform – A
Vref
t ZH
Waveform – B
Vref
VOL + 0.3 V
VOL
t HZ
VOH
VOH – 0.3 V
≈VOL1
TEST
VIH
Vcc=2.7V,
3.3±0.3V
Vcc=5.0±0.5V
2.7 V
1.5 V
VOH1
3V
VCC
50%VCC
VCC
VOL1
GND
GND
Vref
Notes: 1. Input waveform : PRR = 10 MHz, duty cycle 50%, t r = 2.5 ns, t f = 2.5 ns
2. Waveform – A shows input conditions such that the output is “L” level
when enabled by the output control.
3. Waveform – B shows input conditions such that the output is “H” level
when enabled by the output control.
9
HD74LVCZ16245A
Power up / down Characteristics
4.0
Ta = 25°C
Output enable = “L”
VOUT (V)
3.0
2.0
Disable area
Enable area
1.0
0
0
1.0
2.0
VCC (V)
10
3.0
4.0
HD74LVCZ16245A
Package Dimensions
Unit : mm
+0.3
12.50 –0.1
25
6.10 +0.3
–0.1
48
0.15 ± 0.05
24
0.08 M
0.65 Max
0.10
0.05 Min
0.20 +0.1
–0.05
0.50
1.20 max
1
8.10 ± 0.3
10° Max
0.50 ± 0.1
Hitachi code
EIAJ code
JEDEC code
TTP-48DC
—
—
11
Cautions
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intellectual property rights, in connection with use of the information contained in this document.
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received the latest product standards or specifications before final design, purchase or use.
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contact Hitachi’s sales office before using the product in an application that demands especially high
quality and reliability or where its failure or malfunction may directly threaten human life or cause risk
of bodily injury, such as aerospace, aeronautics, nuclear power, combustion control, transportation,
traffic, safety equipment or medical equipment for life support.
4. Design your application so that the product is used within the ranges guaranteed by Hitachi particularly
for maximum rating, operating supply voltage range, heat radiation characteristics, installation
conditions and other characteristics. Hitachi bears no responsibility for failure or damage when used
beyond the guaranteed ranges. Even within the guaranteed ranges, consider normally foreseeable
failure rates or failure modes in semiconductor devices and employ systemic measures such as failsafes, so that the equipment incorporating Hitachi product does not cause bodily injury, fire or other
consequential damage due to operation of the Hitachi product.
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