參數(shù)資料
型號(hào): 74LCXR2245MSA
廠商: Fairchild Semiconductor
文件頁數(shù): 7/12頁
文件大小: 0K
描述: IC TRANSCVR BIDIRECT LV 20SSOP
標(biāo)準(zhǔn)包裝: 66
系列: 74LCX
邏輯類型: 收發(fā)器,非反相
元件數(shù): 1
每個(gè)元件的位元數(shù): 8
輸出電流高,低: 12mA,12mA
電源電壓: 2 V ~ 3.6 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 20-SSOP(0.209",5.30mm 寬)
供應(yīng)商設(shè)備封裝: 20-SSOP
包裝: 管件
2000 Fairchild Semiconductor Corporation
www.fairchildsemi.com
74LCXR2245 Rev. 1.2.0
4
74LCXR2245
Lo
w
V
olta
g
e
Bidirectional
T
ransceiver
with
5V
T
olerant
Inputs
and
Outputs
and
26
Series
Resistor
s
on
Both
A
and
B
P
o
rt
s
DC Electrical Characteristics
Note:
5. Outputs disabled or 3-STATE only.
AC Electrical Characteristics
Note:
6. Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate
outputs of the same device. The specification applies to any outputs switching in the same direction, either
HIGH-to-LOW (tOSHL) or LOW-to-HIGH (tOSLH).
Symbol
Parameter
VCC (V)
Conditions
TA = –40°C to +85°C
Units
Min
Max
VIH
HIGH Level Input Voltage
2.3–2.7
1.7
V
2.7–3.6
2.0
VIL
LOW Level Input Voltage
2.3–2.7
0.7
V
2.7–3.6
0.8
VOH
HIGH Level Output Voltage
2.3–3.6
IOH = –100A
VCC – 0.2
V
2.3
IOH = –4mA
1.8
2.7
IOH = –4mA
2.2
3.0
IOH = –6mA
2.4
2.7
IOH = –8mA
2.0
3.0
IOH = –12mA
2.0
VOL
LOW Level Output Voltage
2.3–3.6
IOL = 100A
0.2
V
2.3
IOL = 4mA
0.6
2.7
IOL = 4mA
0.4
3.0
IOL = 6mA
0.55
2.7
IOL = 8mA
0.6
3.0
IOL = 12mA
0.8
II
Input Leakage Current
2.3–3.6
0
≤ V
I ≤ 5.5V
±5.0
A
IOZ
3-STATE I/O Leakage
2.3–3.6
0
≤ V
O ≤ 5.5V,
VI = VIH or VIL
±5.0
A
IOFF
Power-Off Leakage Current
0
VI or VO = 5.5V
10
A
ICC
Quiescent Supply Current
2.3–3.6
VI = VCC or GND
10
A
2.3–3.6
3.6V
≤ V
I, VO ≤ 5.5V
(5)
±10
I
CC
Increase in ICC per Input
2.3–3.6
VIH = VCC –0.6V
500
A
Symbol
Parameter
TA = –40°C to +85°C, RL = 500
Units
VCC = 3.3V ± 0.3V,
CL = 50pF
VCC = 2.7V,
CL = 50pF
VCC = 2.5V ± 0.2V,
CL = 30pF
Min.
Max.
Min.
Max.
Min.
Max.
tPHL, tPLH
Propagation Delay,
An to Bn or Bn to An
1.5
8.0
1.5
9.0
1.5
9.6
ns
tPZL, tPZH
Output Enable Time
1.5
9.5
1.5
10.5
1.5
11.0
ns
tPLZ, tPHZ
Output Disable Time
1.5
7.5
1.5
8.5
1.5
9.0
ns
tOSHL, tOSLH Output to Output Skew
(6)
1.0
ns
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