參數(shù)資料
型號: 74LVTH16244B
廠商: NXP Semiconductors N.V.
英文描述: 3.3 V 16-bit buffer/driver; 3-state
中文描述: 3.3伏的16位緩沖器/驅(qū)動器,3態(tài)
文件頁數(shù): 1/16頁
文件大小: 94K
代理商: 74LVTH16244B
1.
General description
The 74LVT16244B; 74LVTH16244B is a high-performance BiCMOS product designed for
V
CC
operation at 3.3 V.
This device is a 16-bit buffer and line driver featuring non-inverting 3-state bus outputs.
The device can be used as four 4-bit buffers, two 8-bit buffers, or one 16-bit buffer.
2.
Features
I
16-bit bus interface
I
3-state buffers
I
Output capability: +64 mA and
32 mA
I
TTL input and output switching levels
I
Input and output interface capability to systems at 5 V supply
I
Bus hold data inputs eliminate need for external pull-up resistors to hold unused inputs
I
Power-up 3-state
I
Live insertion and extraction permitted
I
No bus current loading when output is tied to 5 V bus
I
Latch-up protection:
N
JESD78: exceeds 500 mA
I
ESD protection:
N
MIL STD 833 method 3015: exceeds 2000 V
N
Machine model: exceeds 200 V
3.
Quick reference data
74LVT16244B; 74LVTH16244B
3.3 V 16-bit buffer/driver; 3-state
Rev. 05 — 21 March 2006
Product data sheet
Table 1.
GND = 0 V; T
amb
= 25
°
C.
Symbol Parameter
t
PLH
LOW-to-HIGH propagation
delay nAn to nYn
t
PHL
HIGH-to-LOW propagation
delay nAn to nYn
C
i
input capacitance
C
o
output capacitance
Quick reference data
Conditions
C
L
= 50 pF; V
CC
= 3.3 V
Min
-
Typ
1.8
Max
-
Unit
ns
C
L
= 50 pF; V
CC
= 3.3 V
-
1.7
-
ns
V
I
= 0 V or 3.0 V
outputs disabled;
V
O
= 0 V or 3.0 V
outputs disabled;
V
CC
= 3.6 V; I
O
= 0 A;
V
I
= GND or V
CC
-
-
3
9
-
-
pF
pF
I
CC
quiescent supply current
-
70
-
μ
A
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