|
|
Logische Gatter 3-18V Quad 2-Input NAND Schmitt
- MC14093BDR2G
- onsemi
-
1:
CHF 0.356
-
12'128Auf Lager
|
Mouser-Teilenr.
863-MC14093BDR2G
|
onsemi
|
Logische Gatter 3-18V Quad 2-Input NAND Schmitt
|
|
12'128Auf Lager
|
|
|
CHF 0.356
|
|
|
CHF 0.251
|
|
|
CHF 0.225
|
|
|
CHF 0.199
|
|
|
CHF 0.155
|
|
|
Anzeigen
|
|
|
CHF 0.186
|
|
|
CHF 0.177
|
|
|
CHF 0.171
|
|
|
CHF 0.152
|
|
Min.: 1
Mult.: 1
:
2'500
|
|
|
NAND
|
4 Gate
|
MC1400
|
8 Input
|
SOIC-14
|
4 Output
|
8.8 mA
|
- 8.8 mA
|
250 ns
|
3 V
|
18 V
|
- 55 C
|
+ 125 C
|
SMD/SMT
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Logische Gatter 2-6V Quad 2-Input NAND Schmitt
- MC74HC132ADR2G
- onsemi
-
1:
CHF 0.252
-
95'182Auf Lager
|
Mouser-Teilenr.
863-MC74HC132ADR2G
|
onsemi
|
Logische Gatter 2-6V Quad 2-Input NAND Schmitt
|
|
95'182Auf Lager
|
|
|
CHF 0.252
|
|
|
CHF 0.172
|
|
|
CHF 0.154
|
|
|
CHF 0.132
|
|
|
CHF 0.128
|
|
Min.: 1
Mult.: 1
:
2'500
|
|
|
NAND
|
4 Gate
|
HC
|
8 Input
|
SOIC-14
|
4 Output
|
5.2 mA
|
- 5.2 mA
|
21 ns
|
2 V
|
6 V
|
- 55 C
|
+ 125 C
|
SMD/SMT
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Logische Gatter 2-3.6V Quad 2-Input AND
- MC74LCX08DR2G
- onsemi
-
1:
CHF 0.292
-
10'798Auf Lager
|
Mouser-Teilenr.
863-MC74LCX08DR2G
|
onsemi
|
Logische Gatter 2-3.6V Quad 2-Input AND
|
|
10'798Auf Lager
|
|
|
CHF 0.292
|
|
|
CHF 0.203
|
|
|
CHF 0.18
|
|
|
CHF 0.155
|
|
|
Anzeigen
|
|
|
CHF 0.131
|
|
|
CHF 0.143
|
|
|
CHF 0.137
|
|
|
CHF 0.131
|
|
|
CHF 0.131
|
|
Min.: 1
Mult.: 1
Max.: 1'070
:
2'500
|
|
|
AND
|
4 Gate
|
LCX
|
8 Input
|
SOIC-14
|
4 Output
|
24 mA
|
- 24 mA
|
5.5 ns
|
2 V
|
3.6 V
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Logische Gatter SIGE DIFFERENTIAL SMART GATE WITH OUTPUT LEVEL SELECT
- NB7L86AMNG
- onsemi
-
1:
CHF 32.23
-
163Auf Lager
|
Mouser-Teilenr.
863-NB7L86AMNG
|
onsemi
|
Logische Gatter SIGE DIFFERENTIAL SMART GATE WITH OUTPUT LEVEL SELECT
|
|
163Auf Lager
|
|
Min.: 1
Mult.: 1
|
|
|
Configurable
|
1 Gate
|
NB7L
|
2 Input
|
QFN-16
|
1 Output
|
25 mA
|
- 25 mA
|
165 ps
|
2.375 V
|
3.465 V
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
|
Tube
|
|
|
|
Logische Gatter SIGE DIFFERENTIAL SMART GATE WITH OUTPUT LEVEL SELECT
- NB7L86AMNHTBG
- onsemi
-
1:
CHF 32.23
-
142Auf Lager
|
Mouser-Teilenr.
863-NB7L86AMNHTBG
|
onsemi
|
Logische Gatter SIGE DIFFERENTIAL SMART GATE WITH OUTPUT LEVEL SELECT
|
|
142Auf Lager
|
|
Min.: 1
Mult.: 1
:
100
|
|
|
Configurable
|
1 Gate
|
NB7L
|
2 Input
|
|
1 Output
|
25 mA
|
- 25 mA
|
165 ps
|
2.375 V
|
3.465 V
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
|
Reel, Cut Tape
|
|
|
|
Logische Gatter Qd 2-Input AND Gate
- 74AC08MTCX
- onsemi
-
1:
CHF 0.284
-
1'236Auf Lager
|
Mouser-Teilenr.
512-74AC08MTCX
|
onsemi
|
Logische Gatter Qd 2-Input AND Gate
|
|
1'236Auf Lager
|
|
|
CHF 0.284
|
|
|
CHF 0.196
|
|
|
CHF 0.174
|
|
|
CHF 0.151
|
|
|
CHF 0.12
|
|
|
Anzeigen
|
|
|
CHF 0.139
|
|
|
CHF 0.132
|
|
|
CHF 0.126
|
|
|
CHF 0.116
|
|
Min.: 1
Mult.: 1
:
2'500
|
|
|
AND
|
4 Gate
|
AC
|
8 Input
|
TSSOP-14
|
4 Output
|
24 mA
|
- 24 mA
|
5.5 ns
|
2 V
|
6 V
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Logische Gatter Quad 2-Input OR Gate
- 74AC86MTCX
- onsemi
-
1:
CHF 0.292
-
2'468Auf Lager
|
Mouser-Teilenr.
512-74AC86MTCX
|
onsemi
|
Logische Gatter Quad 2-Input OR Gate
|
|
2'468Auf Lager
|
|
|
CHF 0.292
|
|
|
CHF 0.203
|
|
|
CHF 0.181
|
|
|
CHF 0.155
|
|
|
CHF 0.124
|
|
|
Anzeigen
|
|
|
CHF 0.144
|
|
|
CHF 0.137
|
|
|
CHF 0.131
|
|
|
CHF 0.121
|
|
Min.: 1
Mult.: 1
:
2'500
|
|
|
XOR
|
4 Gate
|
AC
|
8 Input
|
TSSOP-14
|
4 Output
|
24 mA
|
- 24 mA
|
4.5 ns
|
2 V
|
6 V
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Logische Gatter Quad 2-Input OR Gate
- 74AC86SCX
- onsemi
-
1:
CHF 0.373
-
3'968Auf Lager
|
Mouser-Teilenr.
512-74AC86SCX
|
onsemi
|
Logische Gatter Quad 2-Input OR Gate
|
|
3'968Auf Lager
|
|
|
CHF 0.373
|
|
|
CHF 0.261
|
|
|
CHF 0.235
|
|
|
CHF 0.205
|
|
|
CHF 0.125
|
|
|
Anzeigen
|
|
|
CHF 0.19
|
|
|
CHF 0.189
|
|
|
CHF 0.183
|
|
|
CHF 0.109
|
|
Min.: 1
Mult.: 1
:
2'500
|
|
|
XOR
|
4 Gate
|
AC
|
8 Input
|
SOIC-Narrow-14
|
4 Output
|
24 mA
|
- 24 mA
|
4.5 ns
|
2 V
|
6 V
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Logische Gatter Quad 2-Input OR Gate
- 74ACT32SC
- onsemi
-
1:
CHF 0.421
-
823Auf Lager
|
Mouser-Teilenr.
512-74ACT32SC
|
onsemi
|
Logische Gatter Quad 2-Input OR Gate
|
|
823Auf Lager
|
|
|
CHF 0.421
|
|
|
CHF 0.305
|
|
|
CHF 0.259
|
|
|
CHF 0.246
|
|
|
Anzeigen
|
|
|
CHF 0.231
|
|
|
CHF 0.219
|
|
Min.: 1
Mult.: 1
|
|
|
OR
|
4 Gate
|
ACT
|
8 Input
|
SOIC-14
|
4 Output
|
24 mA
|
- 24 mA
|
6.5 ns
|
4.5 V
|
5.5 V
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
|
Tube
|
|
|
|
Logische Gatter Qd 2-Input NAND Gate
- 74LCX38MTC
- onsemi
-
1:
CHF 0.551
-
719Auf Lager
|
Mouser-Teilenr.
512-74LCX38MTC
|
onsemi
|
Logische Gatter Qd 2-Input NAND Gate
|
|
719Auf Lager
|
|
|
CHF 0.551
|
|
|
CHF 0.419
|
|
|
CHF 0.333
|
|
|
CHF 0.304
|
|
|
Anzeigen
|
|
|
CHF 0.292
|
|
|
CHF 0.282
|
|
|
CHF 0.27
|
|
|
CHF 0.264
|
|
Min.: 1
Mult.: 1
|
|
|
NAND
|
4 Gate
|
LCX
|
8 Input
|
TSSOP-14
|
4 Output
|
24 mA
|
- 24 mA
|
5 ns
|
2 V
|
3.6 V
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
|
Tube
|
|
|
|
Logische Gatter Qd 2-Input NAND Gate
- 74LCX38MTCX
- onsemi
-
1:
CHF 0.405
-
443Auf Lager
|
Mouser-Teilenr.
512-74LCX38MTCX
|
onsemi
|
Logische Gatter Qd 2-Input NAND Gate
|
|
443Auf Lager
|
|
|
CHF 0.405
|
|
|
CHF 0.283
|
|
|
CHF 0.252
|
|
|
CHF 0.219
|
|
|
CHF 0.177
|
|
|
Anzeigen
|
|
|
CHF 0.204
|
|
|
CHF 0.194
|
|
|
CHF 0.188
|
|
|
CHF 0.172
|
|
Min.: 1
Mult.: 1
:
2'500
|
|
|
NAND
|
4 Gate
|
LCX
|
8 Input
|
TSSOP-14
|
4 Output
|
24 mA
|
- 24 mA
|
5 ns
|
2 V
|
3.6 V
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Logische Gatter Quad 2-Input OR Gate
- 74LCX86MTCX
- onsemi
-
1:
CHF 0.275
-
9'246Auf Lager
|
Mouser-Teilenr.
512-74LCX86MTCX
|
onsemi
|
Logische Gatter Quad 2-Input OR Gate
|
|
9'246Auf Lager
|
|
|
CHF 0.275
|
|
|
CHF 0.188
|
|
|
CHF 0.168
|
|
|
CHF 0.145
|
|
|
CHF 0.115
|
|
|
Anzeigen
|
|
|
CHF 0.134
|
|
|
CHF 0.127
|
|
|
CHF 0.122
|
|
|
CHF 0.112
|
|
Min.: 1
Mult.: 1
:
2'500
|
|
|
XOR
|
4 Gate
|
LCX
|
8 Input
|
TSSOP-14
|
4 Output
|
24 mA
|
- 24 mA
|
6.5 ns
|
2 V
|
3.6 V
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Logische Gatter Quad 2-Input OR Gate
- 74LVX86MTCX
- onsemi
-
1:
CHF 0.235
-
2'439Auf Lager
|
Mouser-Teilenr.
512-74LVX86MTCX
|
onsemi
|
Logische Gatter Quad 2-Input OR Gate
|
|
2'439Auf Lager
|
|
|
CHF 0.235
|
|
|
CHF 0.165
|
|
|
CHF 0.146
|
|
|
CHF 0.125
|
|
|
CHF 0.099
|
|
|
Anzeigen
|
|
|
CHF 0.116
|
|
|
CHF 0.11
|
|
|
CHF 0.106
|
|
|
CHF 0.092
|
|
Min.: 1
Mult.: 1
:
2'500
|
|
|
XOR
|
4 Gate
|
LVX
|
8 Input
|
TSSOP-14
|
4 Output
|
4 mA
|
- 4 mA
|
8.3 ns
|
2 V
|
3.6 V
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Logische Gatter Qd 2-Input NAND Gate
- 74VHC00MTCX
- onsemi
-
1:
CHF 0.284
-
2'367Auf Lager
|
Mouser-Teilenr.
512-74VHC00MTCX
|
onsemi
|
Logische Gatter Qd 2-Input NAND Gate
|
|
2'367Auf Lager
|
|
|
CHF 0.284
|
|
|
CHF 0.195
|
|
|
CHF 0.175
|
|
|
CHF 0.154
|
|
|
CHF 0.122
|
|
|
Anzeigen
|
|
|
CHF 0.142
|
|
|
CHF 0.136
|
|
|
CHF 0.131
|
|
|
CHF 0.121
|
|
Min.: 1
Mult.: 1
:
2'500
|
|
|
NAND
|
4 Gate
|
VHC
|
8 Input
|
TSSOP-14
|
4 Output
|
8 mA
|
- 8 mA
|
5.2 ns
|
2 V
|
5.5 V
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Logische Gatter Qd 2-Input AND Gate
- 74VHC08MTCX
- onsemi
-
1:
CHF 0.252
-
6'078Auf Lager
|
Mouser-Teilenr.
512-74VHC08MTCX
|
onsemi
|
Logische Gatter Qd 2-Input AND Gate
|
|
6'078Auf Lager
|
|
|
CHF 0.252
|
|
|
CHF 0.177
|
|
|
CHF 0.159
|
|
|
CHF 0.14
|
|
|
CHF 0.116
|
|
|
Anzeigen
|
|
|
CHF 0.131
|
|
|
CHF 0.126
|
|
|
CHF 0.122
|
|
|
CHF 0.115
|
|
Min.: 1
Mult.: 1
:
2'500
|
|
|
AND
|
4 Gate
|
VHC
|
8 Input
|
TSSOP-14
|
4 Output
|
8 mA
|
- 8 mA
|
5.8 ns
|
2 V
|
5.5 V
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Logische Gatter Quad 2-Input OR Gate
- 74VHC86MTCX
- onsemi
-
1:
CHF 0.259
-
7'980Auf Lager
|
Mouser-Teilenr.
512-74VHC86MTCX
|
onsemi
|
Logische Gatter Quad 2-Input OR Gate
|
|
7'980Auf Lager
|
|
|
CHF 0.259
|
|
|
CHF 0.176
|
|
|
CHF 0.157
|
|
|
CHF 0.136
|
|
|
CHF 0.107
|
|
|
Anzeigen
|
|
|
CHF 0.124
|
|
|
CHF 0.119
|
|
|
CHF 0.113
|
|
|
CHF 0.104
|
|
Min.: 1
Mult.: 1
:
2'500
|
|
|
XOR
|
4 Gate
|
VHC
|
8 Input
|
TSSOP-14
|
4 Output
|
8 mA
|
- 8 mA
|
6.3 ns
|
2 V
|
5.5 V
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Logische Gatter Qd 2-Input NAND Gate
- 74VHCT00AMTCX
- onsemi
-
1:
CHF 0.235
-
4'230Auf Lager
|
Mouser-Teilenr.
512-74VHCT00AMTCX
|
onsemi
|
Logische Gatter Qd 2-Input NAND Gate
|
|
4'230Auf Lager
|
|
|
CHF 0.235
|
|
|
CHF 0.158
|
|
|
CHF 0.141
|
|
|
CHF 0.122
|
|
|
CHF 0.105
|
|
|
Anzeigen
|
|
|
CHF 0.113
|
|
|
CHF 0.107
|
|
|
CHF 0.106
|
|
|
CHF 0.104
|
|
Min.: 1
Mult.: 1
:
2'500
|
|
|
NAND
|
4 Gate
|
VHCT
|
8 Input
|
TSSOP-14
|
4 Output
|
8 mA
|
- 8 mA
|
5.5 ns
|
4.5 V
|
5.5 V
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Logische Gatter Qd 2-Input AND Gate
- 74VHCT08AMTCX
- onsemi
-
1:
CHF 0.243
-
4'683Auf Lager
|
Mouser-Teilenr.
512-74VHCT08AMTCX
|
onsemi
|
Logische Gatter Qd 2-Input AND Gate
|
|
4'683Auf Lager
|
|
|
CHF 0.243
|
|
|
CHF 0.163
|
|
|
CHF 0.144
|
|
|
CHF 0.124
|
|
|
CHF 0.106
|
|
|
Anzeigen
|
|
|
CHF 0.115
|
|
|
CHF 0.109
|
|
|
CHF 0.106
|
|
|
CHF 0.104
|
|
Min.: 1
Mult.: 1
:
2'500
|
|
|
AND
|
4 Gate
|
VHCT
|
8 Input
|
TSSOP-14
|
4 Output
|
8 mA
|
- 8 mA
|
5.5 ns
|
4.5 V
|
5.5 V
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
|
Reel, Cut Tape, MouseReel
|
|
|
|
Logische Gatter Qd 2-Input NOR Gate
- MM74HC02MTC
- onsemi
-
1:
CHF 0.227
-
1'266Auf Lager
|
Mouser-Teilenr.
512-MM74HC02MTC
|
onsemi
|
Logische Gatter Qd 2-Input NOR Gate
|
|
1'266Auf Lager
|
|
Min.: 1
Mult.: 1
|
|
|
NOR
|
4 Gate
|
HC
|
8 Input
|
TSSOP-14
|
4 Output
|
5.2 mA
|
- 5.2 mA
|
8 ns
|
2 V
|
6 V
|
- 40 C
|
+ 125 C
|
SMD/SMT
|
|
Tube
|
|
|
|
Logische Gatter Qd 2-Input AND Gate
- MM74HC08M
- onsemi
-
1:
CHF 0.437
-
5'111Auf Lager
|
Mouser-Teilenr.
512-MM74HC08M
|
onsemi
|
Logische Gatter Qd 2-Input AND Gate
|
|
5'111Auf Lager
|
|
|
CHF 0.437
|
|
|
CHF 0.311
|
|
|
CHF 0.256
|
|
|
CHF 0.24
|
|
|
Anzeigen
|
|
|
CHF 0.223
|
|
|
CHF 0.213
|
|
|
CHF 0.204
|
|
|
CHF 0.196
|
|
Min.: 1
Mult.: 1
|
|
|
AND
|
4 Gate
|
HC
|
8 Input
|
SOIC-14
|
4 Output
|
5.2 mA
|
- 5.2 mA
|
13 ns
|
2 V
|
6 V
|
- 55 C
|
+ 125 C
|
SMD/SMT
|
|
Tube
|
|
|
|
Logische Gatter Qd 2-Input AND Gate
- MM74HC08MTC
- onsemi
-
1:
CHF 0.47
-
766Auf Lager
|
Mouser-Teilenr.
512-MM74HC08MTC
|
onsemi
|
Logische Gatter Qd 2-Input AND Gate
|
|
766Auf Lager
|
|
|
CHF 0.47
|
|
|
CHF 0.331
|
|
|
CHF 0.259
|
|
|
CHF 0.245
|
|
|
Anzeigen
|
|
|
CHF 0.237
|
|
|
CHF 0.227
|
|
|
CHF 0.219
|
|
|
CHF 0.208
|
|
|
CHF 0.197
|
|
Min.: 1
Mult.: 1
|
|
|
AND
|
4 Gate
|
HC
|
8 Input
|
TSSOP-14
|
4 Output
|
5.2 mA
|
- 5.2 mA
|
13 ns
|
2 V
|
6 V
|
- 55 C
|
+ 125 C
|
SMD/SMT
|
|
Tube
|
|
|
|
Logische Gatter Qd 2-Inp NAND Sc Trg
- MM74HC132MTC
- onsemi
-
1:
CHF 0.511
-
3'469Auf Lager
|
Mouser-Teilenr.
512-MM74HC132MTC
|
onsemi
|
Logische Gatter Qd 2-Inp NAND Sc Trg
|
|
3'469Auf Lager
|
|
|
CHF 0.511
|
|
|
CHF 0.363
|
|
|
CHF 0.294
|
|
|
CHF 0.269
|
|
|
Anzeigen
|
|
|
CHF 0.268
|
|
|
CHF 0.253
|
|
|
CHF 0.209
|
|
Min.: 1
Mult.: 1
|
|
|
NAND
|
4 Gate
|
HC
|
8 Input
|
TSSOP-14
|
4 Output
|
5.2 mA
|
- 5.2 mA
|
12 ns
|
2 V
|
6 V
|
- 55 C
|
+ 125 C
|
SMD/SMT
|
|
Tube
|
|
|
|
Logische Gatter Quad 2-Input OR Gate
- MM74HC32M
- onsemi
-
1:
CHF 0.405
-
282Auf Lager
|
Mouser-Teilenr.
512-MM74HC32M
|
onsemi
|
Logische Gatter Quad 2-Input OR Gate
|
|
282Auf Lager
|
|
|
CHF 0.405
|
|
|
CHF 0.286
|
|
|
CHF 0.236
|
|
|
CHF 0.223
|
|
Min.: 1
Mult.: 1
Max.: 330
|
|
|
OR
|
4 Gate
|
HC
|
8 Input
|
SOIC-14
|
4 Output
|
5.2 mA
|
- 5.2 mA
|
9 ns
|
2 V
|
6 V
|
- 40 C
|
+ 85 C
|
SMD/SMT
|
|
Tube
|
|
|
|
Logische Gatter Quad 2-Input OR Gate
- MM74HC86MTC
- onsemi
-
1:
CHF 0.227
-
1'921Auf Lager
|
Mouser-Teilenr.
512-MM74HC86MTC
|
onsemi
|
Logische Gatter Quad 2-Input OR Gate
|
|
1'921Auf Lager
|
|
|
CHF 0.227
|
|
|
CHF 0.156
|
|
|
CHF 0.138
|
|
|
CHF 0.124
|
|
|
Anzeigen
|
|
|
CHF 0.119
|
|
|
CHF 0.101
|
|
|
CHF 0.096
|
|
|
CHF 0.093
|
|
Min.: 1
Mult.: 1
|
|
|
XOR
|
4 Gate
|
HC
|
8 Input
|
TSSOP-14
|
4 Output
|
5.2 mA
|
- 5.2 mA
|
10 ns
|
2 V
|
6 V
|
- 55 C
|
+ 125 C
|
SMD/SMT
|
|
Tube
|
|
|
|
Logische Gatter Qd 2-Input AND Gate
- MM74HCT08M
- onsemi
-
1:
CHF 0.389
-
845Auf Lager
|
Mouser-Teilenr.
512-MM74HCT08M
|
onsemi
|
Logische Gatter Qd 2-Input AND Gate
|
|
845Auf Lager
|
|
|
CHF 0.389
|
|
|
CHF 0.264
|
|
|
CHF 0.238
|
|
|
CHF 0.237
|
|
|
Anzeigen
|
|
|
CHF 0.227
|
|
|
CHF 0.214
|
|
|
CHF 0.205
|
|
|
CHF 0.20
|
|
Min.: 1
Mult.: 1
|
|
|
AND
|
4 Gate
|
HCT
|
8 Input
|
SOIC-14
|
4 Output
|
4.8 mA
|
- 4.8 mA
|
11 ns
|
4.5 V
|
5.5 V
|
- 55 C
|
+ 125 C
|
SMD/SMT
|
|
Tube
|
|
Liechtenstein