參數(shù)資料
型號(hào)： SN74ABTH32952
廠商： Texas Instruments, Inc.
英文描述： 32 Bit Registered Bus Transceivers With 3-State Outputs(32位記錄總線收發(fā)器(三態(tài)輸出))
中文描述： 32位注冊(cè)總線收發(fā)器與三態(tài)輸出（32位記錄總線收發(fā)器（三態(tài)輸出））
文件頁(yè)數(shù)： 5/6頁(yè)
文件大?。?/td> 117K
代理商： SN74ABTH32952
SN54ABT32952, SN74ABT32952
32-BIT REGISTERED TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS231A – JUNE 1992 – REVISED JULY 1994
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54ABT32952
MIN
TYP
SN74ABT32952
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
VI = VCC or GND
VI = VCC or GND
VI = 0.8 V
VI = 2 V
VO = 0.5 V to 2.7 V,
VO 0.5 V to 2.7 V,
OE or OE = X
–1.2
–1.2
V
VOH
2.5
2.5
V
3
3
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
±
1
±
20
II
Control inputs
VCC = 0 to 5.5 V,
VCC = 2.1 V to 5.5 V,
±
1
±
20
μ
A
A or B ports
II(hold)
A or B ports
VCC= 4 5 V
VCC = 4.5 V
100
100
μ
A
–100
–100
IOZPU
IOZPD
VCC = 0 to 2.1 V
VCC = 2.1 V to 0
VCC = 2.1 V to 5.5 V,
OE
≥
2 V, OE
≤
0.8 V
VCC = 2.1 V to 5.5 V,
OE
≥
2 V, OE
≤
0.8 V
VCC = 0,
VCC = 5.5 V,
VCC = 5.5 V,
±
50
±
50
±
50
±
50
μ
A
μ
A
IOZH§
VO = 2.7 V,
10
10
μ
A
IOZL§
VO = 0.5 V,
–10
–10
μ
A
Ioff
ICEX
IO#
VI or VO
≤
4.5 V
VO = 5.5 V
VO = 2.5 V
±
100
50
±
100
50
μ
A
μ
A
mA
Outputs high
–50
–100
–180
–50
–100
–180
Outputs high
VCC = 5.5 V,
VI= VCCor GND
VI = VCC or GND
5 5 V
IO = 0,
2
2
ICC
Outputs low
5
5
mA
Outputs disabled
0.5
0.5
CLK inputs
VCC = 5.5 V,
VCC 5.5 V,
Other inputs at VCC or GND
VI = 2.5 V or 0.5 V
VO = 2.5 V or 0.5 V
One input at 3.4 V,
1.5
1.5
mA
ICC||
Others
0.5
0.5
Ci
Cio
All typical values are at VCC = 5 V, TA = 25
°
C.
This parameter is specified by characterization.
§The parameters IOZH and IOZL include the input leakage current.
For VCC between 2.1 V and 4 V, OE should be less than or equal to 0.5 V to ensure a low state.
#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.
Control inputs
pF
A or B ports
pF
P
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