參數(shù)資料
型號(hào)： SN54LVT8980
廠商： Texas Instruments, Inc.
英文描述： EMBEDDED TEST-BUS CONTROLLERS IEEE STD 1149.1 JTAG TAP MASTERS WITH 8-BIT GENERIC HOST INTERFACES
中文描述： 嵌入式測(cè)試總線控制器IEEE標(biāo)準(zhǔn)1149.1 JTAG接口，8咨詢大師比特通用主機(jī)接口
文件頁數(shù)： 27/34頁
文件大?。?/td> 495K
代理商： SN54LVT8980
SN54LVT8980, SN74LVT8980
EMBEDDED TEST-BUS CONTROLLERS
IEEE STD 1149.1 (JTAG) TAP MASTERS WITH 8-BIT GENERIC HOST INTERFACES
SCBS676C – DECEMBER 1996 – REVISED AUGUST 1997
27
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54LVT8980
MIN
TYP
SN74LVT8980
MIN
TYP
UNIT
MAX
MAX
VIK
VCC = 2.7 V,
VCC = MIN to MAX, IOH = –100
μ
A
VCC = 2.7 V,
II = –18 mA
–1.2
–1.2
V
VCC–0.2
VCC–0.2
D RDY
D, RDY
IOH = –4 mA
IOH = –4 mA
IOH = – 8 mA
2.3
2.3
VCC= 3 V
VCC = 3 V
2.6
2.6
VOH
2.4
2.4
V
VCC = MIN to MAX, IOH = –100
μ
A
VCC = 2.7 V,
VCC–0.2
VCC–0.2
TCK, TDO,
TMS, TRST
IOH = –8 mA
IOH = –24 mA
IOH = –32 mA
2.4
2.4
VCC= 3 V
VCC = 3 V
2
2
VCC = MIN to MAX, IOL = 100
μ
A
0.2
0.2
VCC= 2 7 V
VCC = 2.7 V
IOL = 4 mA
IOL = 6 mA
IOL = 4 mA
IOL = 6 mA
0.55
0.55
D, RDY
0.8
0.8
VCC= 3 V
VCC = 3 V
0.55
0.55
0.8
0.8
VOL
VCC = MIN to MAX, IOL = 100
μ
A
VCC = 2.7 V
0.2
0.2
V
IOL = 24 mA
IOL = 16 mA
IOL = 32 mA
IOL = 48 mA
IOL = 64 mA
0.5
0.5
TCK, TDO,
TMS, TRST
0.4
0.4
VCC= 3 V
VCC = 3 V
0.5
0.5
0.55
0.55
A, CLKIN,
RST, R/W,
STRB, TDI,
TOE
A, CLKIN,
R/W
VCC = 0 or MAX,
VI = 5.5 V
10
10
II
VCC = 3.6 V,
VI = VCC or GND
±
1
±
1
μ
A
RST, STRB,
TDI, TOE
VCC= 3 6 V
VCC = 3.6 V
VI = VCC
VI = 0
1
1
–40
–100
–40
–100
Ioff
TCK, TDO,
TMS, TRST
VCC = 0, VI or VO = 0 to 4.5 V
±
100
±
100
μ
A
IOZH
D, TCK, TDO,
TMS, TRST
VCC = 3.6 V,
VO = 3 V
5
5
μ
A
IOZL
D, TCK, TDO,
TMS, TRST
VCC = 3.6 V,
VO = 0.5 V
–5
–5
μ
A
IOZPU§
TCK, TDO,
TMS, TRST
VCC = 0 to 1.5 V, VO = 0.5 V to 3 V,
TOE = 0
±
100
±
100
μ
A
IOZPD§
All typical values are at VCC = 3.3 V, TA = 25
°
C.
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
§This parameter is characterized but not tested.
TCK, TDO,
TMS, TRST
VCC = 1.5 V to 0, VO = 0.5 V to 3 V,
TOE = 0
±
100
±
100
μ
A
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.
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