參數(shù)資料
型號(hào)： 74ABTH16899
廠商： NXP Semiconductors N.V.
英文描述： 18-bit latched transceiver with 16-bit parity generator/checker (3-State)(帶16位奇偶發(fā)生器/校驗(yàn)器的18位鎖存收發(fā)器（三態(tài)）)
中文描述： 18位鎖存器，16位奇偶發(fā)生器/檢查（3國(guó)）（帶16位奇偶發(fā)生器/校驗(yàn)器的18位鎖存收發(fā)器（三態(tài)））
文件頁數(shù)： 7/16頁
文件大?。?/td> 105K
代理商： 74ABTH16899
Philips Semiconductors
Product specification
74ABT16899
74ABTH16899
18-bit latched transceiver with 16-bit
parity generator/checker (3-State)
1998 Feb 25
7
DC ELECTRICAL CHARACTERISTICS
LIMITS
SYMBOL
PARAMETER
TEST CONDITIONS
T
amb
= +25
°
C
T
amb
= –40
°
C
to +85
°
C
UNIT
Min
Typ
Max
Min
Max
V
IK
Input clamp voltage
V
CC
= 4.5V; I
IK
= –18mA
–0.7
–1.2
–1.2
V
V
CC
= 4.5V; I
OH
= –3mA; V
I
= V
IL
or V
IH
2.5
3.1
2.5
V
V
OH
High-level output voltage
V
CC
= 5.0V; I
OH
= –3mA; V
I
= V
IL
or V
IH
3.0
3.6
3.0
V
V
CC
= 4.5V; I
OH
= –32mA; V
I
= V
IL
or V
IH
2.0
2.7
2.0
V
V
OL
Low-level output voltage
V
CC
= 4.5V; I
OL
= 64mA; V
I
= V
IL
or V
IH
0.36
0.55
0.55
V
V
RST
Power-up output low
voltage
3
V
CC
= 5.5V; I
O
= 1mA; V
I
= GND or V
CC
0.13
0.55
0.55
V
I
I
Input leakage
Control pins
V
CC
= 5.5V; V
I
= GND or 5.5V
V
CC
= 5.5V; V
I
= GND or 5.5V
±
0.2
±
1.0
±
1.0
μ
A
current
Data pins
±
1.0
±
100
±
100
μ
A
Bushold current A or B
inputs
5
74ABTH16899
V
CC
= 4.5V; V
I
= 0.8V
V
CC
= 4.5V; V
I
= 2.0V
75
75
I
HOLD
–75
–75
μ
A
V
CC
= 5.5V; V
I
= 0 to 5.5V
±
500
I
OFF
Power-off leakage current
V
CC
= 0.0V; V
O
or V
I
≤
4.5V
±
2.0
±
100
±
100
μ
A
I
PU
/I
PD
Power-up/down 3-State
output current
4
V
CC
= 2.1V; V
O
= 0.5V; V
I
= GND or V
CC
±
5.0
±
50
±
50
μ
A
I
IH
+ I
OZH
3-State output High current
V
CC
= 5.5V; V
O
= 2.7V; V
I
= V
IL
or V
IH
2.0
50
50
μ
A
I
IL
+ I
OZL
3-State output Low current
V
CC
= 5.5V; V
O
= 0.5V; V
I
= V
IL
or V
IH
–2.0
–50
–50
μ
A
I
CEX
Output High leakage current
V
CC
= 5.5V; V
O
= 5.5V; V
I
= GND or V
CC
2.0
50
50
μ
A
I
O
Output current
1
V
CC
= 5.5V; V
O
= 2.5V
–50
–100
–180
–50
–180
mA
I
CCH
V
CC
= 5.5V; Outputs High, V
I
= GND or V
CC
0.5
1
1
mA
I
CCL
Quiescent supply current
V
CC
= 5.5V; Outputs Low, V
I
= GND or V
CC
10.5
19
19
mA
I
CCZ
V
CC
= 5.5V; Outputs 3-State;
V
I
CC
0.5
1
1
mA
I
CC
Additional supply current per
input pin
2
V
CC
= 5.5V; one input at 3.4V,
other inputs at V
CC
or GND
0.2
1.5
1.5
mA
NOTES:
1. Not more than one output should be tested at a time, and the duration of the test should not exceed one second.
2. This is the increase in supply current for each input at 3.4V.
3. For valid test results, data must not be loaded into the flip-flops (or latches) after applying the power.
4. This parameter is valid for any V
CC
between 0V and 2.1V, with a transition time of up to 10msec. From V
CC
= 2.1V to V
CC
= 5V
±
10%, a
transition time of up to 100
μ
sec is permitted.
5. This is the bus hold overdrive current required to force the input to the opposite logic state.
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