INTEGRATED CIRCUITS
74ALVT16245
2.5V/3.3V ALVT 16-bit transceiver
(3-State)
Product specification
Supersedes data of 1995 Nov 01
IC23 Data Handbook
1998 Feb 13
Philips
Semiconductors
Philips Semiconductors
Product specification
2.5V/3.3V 16-bit transceiver (3-State)
74ALVT16245
FEATURES
•
16-bit bidirectional bus interface
•
5V I/O Compatible
•
3-State buffers
•
Output capability: +64mA/–32mA
•
TTL input and output switching levels
•
Bus-hold data inputs eliminate the need for external pull-up
resistors to hold unused inputs
DESCRIPTION
The 74ALVT16245 is a high-performance BiCMOS product
designed for V
CC
operation at 2.5V or 3.3V with I/O compatibility up
to 5V.
This device is a 16-bit transceiver featuring non-inverting 3-State
bus compatible outputs in both send and receive directions. The
control function implementation minimizes external timing
requirements. The device features an Output Enable (OE) input for
easy cascading and a Direction (DIR) input for direction control.
•
Live insertion/extraction permitted
•
Power-up 3-State
•
No bus current loading when output is tied to 5V bus
•
Latch-up protection exceeds 500mA per JEDEC Std 17
•
ESD protection exceeds 2000V per MIL STD 883 Method 3015
and 400V per Machine Model
QUICK REFERENCE DATA
SYMBOL
t
PLH
t
PHL
C
IN
C
I/O
I
CCZ
PARAMETER
Propagation delay
nAx to nBx or nBx to nAx
Input capacitance DIR, OE
I/O pin capacitance
Total supply current
C
L
= 50pF
V
I
= 0V or V
CC
V
I/O
= 0V or V
CC
Outputs disabled
CONDITIONS
T
amb
= 25°C
TYPICAL
2.5V
1.7
1.9
3
9
40
3.3V
1.5
1.5
3
9
70
UNIT
ns
pF
pF
µA
ORDERING INFORMATION
PACKAGES
48-Pin Plastic SSOP Type III
48-Pin Plastic TSSOP Type II
TEMPERATURE RANGE
–40°C to +85°C
–40°C to +85°C
OUTSIDE NORTH AMERICA
74ALVT16245 DL
74ALVT16245 DGG
NORTH AMERICA
AV16245 DL
AV16245 DGG
DWG NUMBER
SOT370-1
SOT362-1
LOGIC SYMBOL
1DIR
1
48
1A0
47
2
2DIR
1OE
1B0
2A0
36
24
25
13
LOGIC SYMBOL (IEEE/IEC)
2OE
2B0
48
1
G3
3 EN1 (BA)
3 EN2 (AB)
25
24
G3
3 EN1 (BA)
3 EN2 (AB)
1A1
46
3
1B1
2A1
35
14
2B1
1A2
44
5
1B2
2A2
33
16
2B2
47
∇
1
2
∇
2
36
∇
1
2
∇
13
1A3
43
6
1B3
2A3
32
17
2B3
46
44
3
5
6
8
9
11
12
35
33
32
30
29
27
26
14
16
17
19
20
22
23
1A4
41
8
1B4
2A4
30
19
2B4
43
41
1A5
40
9
1B5
2A5
29
20
2B5
40
38
1A6
38
11
1B6
2A6
27
22
2B6
37
1A7
37
12
1B7
2A7
26
23
2B7
SW00022
SA00021
1998 Feb 13
2
853-1817 18959
Philips Semiconductors
Product specification
2.5V/3.3V 16-bit transceiver (3-State)
74ALVT16245
PIN CONFIGURATION
1DIR
1B0
1B1
GND
1B2
1B3
V
CC
1B4
1B5
1
2
3
4
5
6
7
8
9
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
1OE
1A0
1A1
GND
1A2
1A3
V
CC
1A4
1A5
GND
1A6
1A7
2A0
2A1
GND
2A2
2A3
V
CC
2A4
2A5
GND
2A6
2A7
2OE
PIN DESCRIPTION
PIN NUMBER
1, 24
47, 46, 44, 43,
41, 40, 38, 37,
36, 35, 33, 32,
30, 29, 27, 26
2, 3, 5, 6, 8, 9,
11, 12, 13, 14,
16, 17, 19, 20,
22, 23
25, 48
4, 10, 15, 21,
28, 34, 39, 45
7, 18, 31, 42
SYMBOL
nDIR
NAME AND FUNCTION
Direction control input
nA0 – nA7
Data inputs/outputs (A side)
nB0 – nB7
Data inputs/outputs (B side)
GND 10
1B6 11
1B7 12
2B0 13
2B1 14
GND 15
2B2 16
2B3 17
V
CC
18
2B4 19
2B5 20
GND
21
nOE
GND
V
CC
Output enable input (active-Low)
Ground (0V)
Positive supply voltage
FUNCTION TABLE
INPUTS
nOE
L
L
H
H
L
X
Z
nDIR
L
H
X
INPUTS/OUTPUTS
nAx
nAx = nBx
Inputs
Z
nBx
Inputs
nBx = nAx
Z
2B6 22
2B7 23
2DIR
24
SA00020
= High voltage level
= Low voltage level
= Don’t care
= High Impedance “off ” state
ABSOLUTE MAXIMUM RATINGS
1, 2
SYMBOL
V
CC
I
IK
V
I
I
OK
V
OUT
I
O
OUT
T
stg
PARAMETER
DC supply voltage
DC input diode current
DC input voltage
3
DC output diode current
DC output voltage
3
DC output current
Output in High state
Storage temperature range
–64
–65 to +150
°C
V
O
< 0
Output in Off or High state
Output in Low state
V
I
< 0
CONDITIONS
RATING
–0.5 to +4.6
–50
–0.5 to +7.0
–50
–0.5 to +7.0
128
mA
UNIT
V
mA
V
mA
V
NOTES:
1. Stresses beyond those listed 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.
2. The performance capability of a high-performance integrated circuit in conjunction with its thermal environment can create junction
temperatures which are detrimental to reliability. The maximum junction temperature of this integrated circuit should not exceed 150°C.
3. The input and output negative voltage ratings may be exceeded if the input and output clamp current ratings are observed.
1998 Feb 13
3
Philips Semiconductors
Product specification
2.5V/3.3V 16-bit transceiver (3-State)
74ALVT16245
RECOMMENDED OPERATING CONDITIONS
SYMBOL
V
CC
V
I
V
IH
V
IL
I
OH
I
OL
∆t/∆v
T
amb
DC supply voltage
Input voltage
High-level input voltage
Input voltage
High-level output current
Low-level output current
Low-level output current; current duty cycle
≤
50%; f
≥
1kHz
Input transition rise or fall rate; Outputs enabled
Operating free-air temperature range
–40
PARAMETER
2.5V RANGE LIMITS
MIN
2.3
0
1.7
0.7
–8
8
24
10
+85
–40
MAX
2.7
5.5
3.3V RANGE LIMITS
MIN
3.0
0
2.0
0.8
–32
32
64
10
+85
MAX
3.6
5.5
UNIT
V
V
V
V
mA
mA
ns/V
°C
DC ELECTRICAL CHARACTERISTICS (3.3V
"0.3V
RANGE)
LIMITS
SYMBOL
V
IK
V
OH
PARAMETER
Input clamp voltage
High-level out ut voltage
output
TEST CONDITIONS
V
CC
= 3.0V; I
IK
= –18mA
V
CC
= 3.0 to 3.6V; I
OH
= –100µA
V
CC
= 3.0V; I
OH
= –32mA
V
CC
= 3.0V; I
OL
= 100µA
V
OL
Low–level out ut voltage
output
V
CC
= 3.0V; I
OL
= 16mA
V
CC
= 3.0V; I
OL
= 32mA
V
CC
= 3.0V; I
OL
= 64mA
V
CC
= 3.6V; V
I
= V
CC
or GND
V
CC
= 0 or 3.6V; V
I
= 5.5V
I
I
Input leakage current
V
CC
= 3.6V; V
I
= 5.5V
V
CC
= 3 6V; V
I
= V
CC
3.6V;
V
CC
= 3.6V; V
I
= 0
I
OFF
I
HOLD
Off current
Bus Hold current
A or B ports
6
Current into an output in the
High state when V
O
> V
CC
Power up/down 3-State output
current
3
Quiescent supply current
Additional supply current per
input pin
2
V
CC
= 0V; V
I
or V
O
= 0 to 4.5V
V
CC
= 3V; V
I
= 0.8V
V
CC
= 3V; V
I
= 2.0V
V
CC
= 0V to 3.6V; V
CC
= 3.6V
V
O
= 5.5V; V
CC
= 3.0V
V
CC
≤
1.2V; V
O
= 0.5V to V
CC
; V
I
= GND or V
CC
;
OE/OE = Don’t care
V
CC
= 3.6V; Outputs High, V
I
= GND or V
CC,
I
O
= 0
V
CC
= 3.6V; Outputs Low, V
I
= GND or V
CC,
I
O
= 0
V
CC
= 3.6V; Outputs Disabled; V
I
= GND or V
CC,
I
O
= 0
5
V
CC
= 3V to 3.6V; One input at V
CC
–0.6V,
Other inputs at V
CC
or GND
75
–75
±500
50
40
0.07
3.2
0.07
0.2
125
±100
0.1
5
0.1
0.4
mA
mA
µA
µA
Data
pins
4
ins
Control pins
V
CC
–0.2
2.0
Temp = -40°C to +85°C
MIN
TYP
1
–0.85
V
CC
2.3
0.07
0.25
0.3
0.4
0.1
0.1
0.1
0.5
05
0.1
0.1
130
–140
µA
0.2
0.4
0.5
0.55
±1
10
20
10
-5
±100
µA
µA
V
MAX
–1.2
V
V
UNIT
I
EX
I
PU/PD
I
CCH
I
CCL
I
CCZ
∆I
CC
NOTES:
1. All typical values are at V
CC
= 3.3V and T
amb
= 25°C.
2. This is the increase in supply current for each input at the specified voltage level other than V
CC
or GND
3. This parameter is valid for any V
CC
between 0V and 1.2V with a transition time of up to 10msec. From V
CC
= 1.2V to V
CC
= 3.3V
±
0.3V a
transition time of 100µsec is permitted. This parameter is valid for T
amb
= 25°C only.
4. Unused pins at V
CC
or GND.
5. I
CCZ
is measured with outputs pulled up to V
CC
or pulled down to ground.
6. This is the bus hold overdrive current required to force the input to the opposite logic state.
1998 Feb 13
4
Philips Semiconductors
Product specification
2.5V/3.3V 16-bit transceiver (3-State)
74ALVT16245
AC CHARACTERISTICS (3.3V
"0.3V
RANGE)
GND = 0V; t
R
= t
F
= 2.5ns; C
L
= 50pF; R
L
= 500Ω; T
amb
= –40°C to +85°C.
LIMITS
SYMBOL
PARAMETER
WAVEFORM
MIN
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
Propagation delay
nAx to nBx or nBx to nAx
Output enable time
to High and Low level
Output disable time
from High and Low Level
1
2
2
0.5
0.5
1.0
1.0
1.5
1.5
V
CC
= 3.3V
"0.3V
TYP
1
1.5
1.5
2.1
1.7
3.4
2.8
MAX
2.4
2.4
3.5
2.9
4.5
3.7
ns
ns
ns
UNIT
NOTE:
1. All typical values are at V
CC
= 3.3V and T
amb
= 25°C.
DC ELECTRICAL CHARACTERISTICS (2.5V
"0.2V
RANGE)
LIMITS
SYMBOL
V
IK
V
OH
PARAMETER
Input clamp voltage
High-level out ut voltage
output
TEST CONDITIONS
V
CC
= 2.3V; I
IK
= –18mA
V
CC
= 2.3 to 3.6V; I
OH
= –100µA
V
CC
= 2.3V; I
OH
= –8mA
V
CC
= 2.3V; I
OL
= 100µA
V
OL
Low-level output voltage
V
CC
= 2.3V; I
OL
= 24mA
V
CC
= 2.3V; I
OL
= 8mA
V
CC
= 2.7V; V
I
= V
CC
or GND
V
CC
= 0 or 2.7V; V
I
= 5.5V
I
I
Input leakage current
V
CC
= 2.7V; V
I
= 5.5V
V
CC
= 2.7V; V
I
= V
CC
V
CC
= 2.7V; V
I
= 0
I
OFF
I
HOLD
I
EX
I
PU/PD
I
CCH
I
CCL
I
CCZ
∆I
CC
Additional supply current per
input pin
2
Quiescent supply current
Off current
Bus Hold current
Data
inputs
6
Current into an output in the
High state when V
O
> V
CC
Power up/down 3-State output
current
3
V
CC
= 0V; V
I
or V
O
= 0 to 4.5V
V
CC
= 2.3V; V
I
= 0.7V
V
CC
= 2.3V; V
I
= 1.7V
V
O
= 5.5V; V
CC
= 2.3V
V
CC
≤
1.2V; V
O
= 0.5V to V
CC
; V
I
= GND or V
CC
;
OE/OE = Don’t care
V
CC
= 2.7V; Outputs High, V
I
= GND or V
CC,
I
O
= 0
V
CC
= 2.7V; Outputs Low, V
I
= GND or V
CC,
I
O
= 0
V
CC
= 2.7V; Outputs Disabled; V
I
= GND or V
CC,
I
O
= 0
5
V
CC
= 2.3V to 2.7V; One input at V
CC
–0.6V,
Other inputs at V
CC
or GND
Data pins
4
Control pins
0.1
0.1
0.1
0.1
0.1
0.1
90
–10
50
40
0.04
2.3
0.04
0.1
125
100
0.1
45
0.1
0.4
mA
mA
V
CC
–0.2
1.8
2.1
0.07
0.3
0.2
0.5
0.4
±1
10
20
10
-5
±100
µA
µA
µA
µA
µA
V
Temp = -40°C to +85°C
MIN
TYP
1
–0.85
MAX
–1.2
V
V
UNIT
NOTES:
1. All typical values are at V
CC
= 2.5V and T
amb
= 25°C.
2. This is the increase in supply current for each input at the specified voltage level other than V
CC
or GND
3. This parameter is valid for any V
CC
between 0V and 1.2V with a transition time of up to 10msec. From V
CC
= 1.2V to V
CC
= 2.5V
±
0.3V a
transition time of 100µsec is permitted. This parameter is valid for T
amb
= 25°C only.
4. Unused pins at V
CC
or GND.
5. I
CCZ
is measured with outputs pulled up to V
CC
or pulled down to ground.
6. Not guaranteed.
1998 Feb 13
5
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