Philips Semiconductors Product specification
74LVT16373A3.3V 16-bit transparent D-type latch (3-State)
2
1998 Feb 19 853-1780 18989
FEATURES
• 16-bit transparent latch
• 3-State buffers
• Output capability: +64mA/-32mA
• TTL input and output switching levels
• Input and output interface capability to systems at 5V supply
• Bus-hold data inputs eliminate the need for external pull-up
resistors to hold unused inputs
• Live insertion/extraction permitted
• Power-up reset
• 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 200V per Machine Model
DESCRIPTION
The 74LVT16373A is a high-performance BiCMOS product
designed for V
CC
operation at 3.3V.
This device is a 16-bit transparent D-type latch with non-inverting
3-State bus compatible outputs. The device can be used as two
8-bit latches or one 16-bit latch. When enable (E) input is High, the
Q outputs follow the data (D) inputs. When enable is taken Low, the
Q outputs are latched at the levels of the D inputs one setup time
prior to the High-to-Low transition.
QUICK REFERENCE DATA
SYMBOL PARAMETER
CONDITIONS
T
amb
= 25°C
TYPICAL UNIT
t
PLH
t
PHL
Propagation delay
nDx to nQx
C
L
= 50pF;
V
CC
= 3.3V
1.9 ns
C
IN
Input capacitance V
I
= 0V or 3.0V 3 pF
C
OUT
Output capacitance Outputs disabled; V
O
= 0V or 3.0V 9 pF
I
CCZ
Total supply current Outputs disabled; V
CC
= 3.6V 70 µA
ORDERING INFORMATION
PACKAGES TEMPERATURE RANGE OUTSIDE NORTH AMERICA NORTH AMERICA DWG NUMBER
48-Pin Plastic SSOP Type III –40°C to +85°C 74LVT16373A DL VT16373A DL SOT370-1
48-Pin Plastic TSSOP Type II –40°C to +85°C 74LVT16373A DGG VT16373A DGG SOT362-1
LOGIC SYMBOL
32
1Q0 1Q1 1Q2
65
1Q3
47 46 44 43
1D0 1D1 1D2 1D3
48
1
98
1Q4 1Q5 1Q6
1211
1Q7
41 40 38 37
1D4 1D5 1D6 1D7
1LE
1OE
1413 1716
36 35 33 32
25
24
2019 2322
30 29 27 26
2Q0 2Q1 2Q2 2Q3
2D0 2D21 2D2 2D3
2Q4 2Q5 2Q6 2Q7
2D4 2D5 2D6 2D7
2LE
2OE
SA00044
PIN DESCRIPTION
PIN NUMBER SYMBOL FUNCTION
47, 46, 44, 43, 41, 40, 38, 37,
36, 35, 33, 32, 30, 29, 27, 26
1D0 – 1D7
2D0 – 2D7
Data inputs
2, 3, 5, 6, 8, 9, 11, 12, 13,
14, 16, 17, 19, 20, 22, 23
1Q0 – 1Q7
2Q0 – 2Q7
Data outputs
1, 24 1OE, 2OE
Output enable
inputs
(active-Low)
48, 25 1E, 2E
Enable inputs
(active-High)
4, 10, 15, 21, 28, 34, 39, 45 GND Ground (0V)
7, 18, 31, 42 V
CC
Positive
supply voltage
