参数资料
型号: K25C81
厂商: Semtech Corporation
英文描述: Versatile PC/XC/AT/PS/2 Compatible Keyboard Encoder
中文描述: 多功能PC/XC/AT/PS/2兼容键盘编码器
文件页数: 9/12页
文件大小: 124K
代理商: K25C81
MECHANICALS FOR THE K25C81-FN
Copyright Semtech, 1997-2001
DOC5-C81-DS-105
www.semtech.com
9
W
Y BRK
D
D
V
N
M
L
1
(Note 1) 44
44
L e a ds
P L C C
P
+
+
Z
G
G1
C
A
R
E
J
44
(Note 1)
Detail S
G1
M
X
Note 1
U
Z1
B
A
B
C
E
F
G
H
J
K
R
U
V
W
X
Y
Z
G1
K1
Z1
17.40 17.65 0.685 0.695
17.40 17.65 0.685 0.695
4.20
4.57 0.165 0.180
2.29
2.79 0.090 0.110
0.33
0.48 0.013 0.019
1.27 BSC 0.050 BSC
0.66 0.81
0.51
0.64
-
16.51 16.66 0.650 0.656
16.51 16.66 0.650 0.656
1.07
1.21 0.042 0.048
1.07
1.21 0.042 0.048
1.07
1.42 0.042 0.056
0.026 0.032
0.020
0.025
-
2
0.50
10
2
0.020
10
15.50 16.00 0.610 0.630
1.02
2
10
0.040
2
10
MIN
MAX
MIN
MAX
MILLIMETERS
INCHES
DIM
0
0
0
0
0
0
0
K1
K
F
H
0.18 (0.007)
0.18 (0.007)
T
T
-
-
L
S
M
S
N
S
P
S
N
S
P
S
L
S
M
S
-
0.18 (0.007)
0.18 (0.007)
T
T
-
-
L
S
M
S
N
S
P
S
N
S
P
S
L
S
M
S
-
0.18 (0.007)
T
L
S
M
S
-
N
S
P
S
-
0.18 (0.007)
T
L
S
M
S
-
N
S
P
S
-
0.18 (0.007)
T
-
L
S
M
S
N
S
P
S
0.25 (0.010)
T
-
L
S
M
S
N
S
P
S
Seating Plane
T
0.010 (0.004)
0.18 (0.007)
T
-
L
S
M
S
N
S
P
S
N1. Due to space limitation, the chip
is represented by a general (smaller)
case outline drawing rather than
showing all 44 leads.
2. Datums L, M, N, and P determine where
the top of the lead shoulder exits plastic
body at mold parting line
3. DIM G1, true position to be measured
at Datum T, Seating Plane
4. DIM R and U do not include mold
protusion. Allowable mold protusion is
0.25 (0.010) per side.
5. Dimensioning and tolerancing per Ansi
Y14.5M, 1982
6. Controlling dimension: Inch
Detail S
M
M
M
0.25 (0.010)
T
L
S
M
S
-
N
S
P
S
-
-
M
-
M
M
M
-
-
-
View D-D
M
M
相关PDF资料
PDF描述
K25C81-FB Versatile PC/XC/AT/PS/2 Compatible Keyboard Encoder
K25C81-FN Versatile PC/XC/AT/PS/2 Compatible Keyboard Encoder
K25C81-P Versatile PC/XC/AT/PS/2 Compatible Keyboard Encoder
K270 surface mount silicon Zener diodes
K240 surface mount silicon Zener diodes
相关代理商/技术参数
参数描述
K25C81-FB 制造商:SEMTECH 制造商全称:Semtech Corporation 功能描述:Versatile PC/XC/AT/PS/2 Compatible Keyboard Encoder
K25C81-FN 制造商:SEMTECH 制造商全称:Semtech Corporation 功能描述:Versatile PC/XC/AT/PS/2 Compatible Keyboard Encoder
K25C81-P 制造商:SEMTECH 制造商全称:Semtech Corporation 功能描述:Versatile PC/XC/AT/PS/2 Compatible Keyboard Encoder
K25F 制造商:VMI 制造商全称:VMI 功能描述:2,500 V - 10,000 V Rectifiers 1.5 A - 3.0 A Forward Current 200 ns Recovery Time
K25S 制造商:VMI 制造商全称:VMI 功能描述:Spice Model