參數(shù)資料
型號(hào)： SN74ABTH32245HS
廠商： Texas Instruments, Inc.
英文描述： 36-BIT BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
中文描述： 36位總線收發(fā)3態(tài)輸出
文件頁(yè)數(shù)： 5/9頁(yè)
文件大小： 168K
代理商： SN74ABTH32245HS
SN54ABTH32245, SN74ABTH32245
36-BIT BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS228G – JUNE 1992 – REVISED MAY 1997
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54ABTH32245
MIN
TYP
SN74ABTH32245
MIN
TYP
UNIT
MAX
MAX
VIK
VCC = 4.5 V,
VCC = 4.5 V,
VCC = 5 V,
II = –18 mA
IOH = –3 mA
IOH = –3 mA
IOH = –24 mA
IOH = –32 mA
IOL = 48 mA
IOL = 64 mA
–1.2
–1.2
V
2.5
2.5
VOH
3
3
V
VCC= 4 5 V
VCC = 4.5 V
2
2
VOL
VCC= 4 5 V
VCC = 4.5 V
0.55
0.55
V
0.55
Vhys
100
100
mV
Control inputs
VCC = 0 to 5.5 V,
VCC = 2.1 V to 5.5 V,
VI = VCC or GND
VI = VCC or GND
±
1
μ
A
II
A or B ports
±
20
Control inputs
VCC= 5 5 V
VCC = 5.5 V,
VI= VCCor GND
VI = VCC or GND
±
1
μ
A
A or B ports
±
20
II(h ld)
II(hold)
A or B ports
VCC= 4 5 V
VCC = 4.5 V
VI = 0.8 V
VI = 2 V
100
100
μ
A
–100
–100
IOZPU
IOZPD
Ioff
ICEX
IO§
VCC = 0 to 2.1 V, VO = 0.5 V to 2.7 V, OE = X
VCC = 2.1 V to 0, VO = 0.5 V to 2.7 V, OE = X
VCC = 0,
VCC = 5.5 V, VO = 5.5 V
VCC = 5.5 V,
±
50
±
50
±
50
±
50
±
100
50
μ
A
μ
A
μ
A
μ
A
mA
VI or VO
≤
4.5 V
Outputs high
50
VO = 2.5 V
Outputs high
–50
–100
–180
–50
–100
–180
VCC= 5.5 V,
VCC = 5.5 V,
IO = 0,
VI = VCC or GND
3
3
ICC
Outputs low
20
20
mA
Outputs disabled
2
2
ICC
VCC = 5.5 V, One input at 3.4 V,
Other inputs at VCC or GND
VI = 2.5 V or 0.5 V
VO = 2.5 V or 0.5 V
1
1
mA
Ci
Cio
Control inputs
3.5
3.5
pF
A or B ports
9.5
9.5
pF
All typical values are at VCC = 5 V, TA = 25
°
C.
This parameter is specified by characterization.
§Not more than one output should be tested at a time, and the duration of the test should not exceed one second.
This is the increase in supply current for each input that is at the specified TTL voltage level rather than VCC or GND.
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature, C
L
= 50 pF (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 5 V,
TA = 25
°
C#
MIN
1.7
SN54ABTH32245
SN74ABTH32245
UNIT
TYP
3.2
MAX
4.4
MIN
MAX
5.3
MIN
1.7
MAX
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
A or B
B or A
1
5
ns
1.7
3.3
4.6
1
5.3
1.7
5.2
OE
B or A
1.6
4.2
6.1
1
7.6
1.6
7.3
ns
2.7
5.2
7
1.5
8.2
2.7
8.1
OE
B or A
1.3
3.9
4.4
6.1
6.6
0.8
6.7
7.2
1.3
6.5
6.9
ns
2
1
2
#These limits apply only to the SN74ABTH32245
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