參數(shù)資料
型號(hào): CD4508BMS
廠商: Intersil Corporation
英文描述: CMOS Dual 4-Bit Latch
中文描述: CMOS雙4位鎖存器
文件頁(yè)數(shù): 6/9頁(yè)
文件大?。?/td> 85K
代理商: CD4508BMS
7-1153
Specifications CD4508BMS
TABLE 8. BURN-IN AND IRRADIATION TEST CONNECTIONS
FUNCTION
OPEN
GROUND
VDD
9V
±
-0.5V
OSCILLATOR
50kHz
25kHz
Static Burn-In 1
Note 1
5, 7, 9, 11, 17, 19,
21, 23
1-4, 6, 8, 10,
12-16, 18, 20, 22
24
Static Burn-In 2
Note 1
5, 7, 9, 11, 17, 19,
21, 23
12
1-4, 6, 8, 10, 13-
16, 18, 20, 22, 24
Dynamic Burn-
In Note 1
-
1, 3, 12, 13, 15
2, 14, 24
5, 7, 9, 11, 17, 19,
21, 23
4, 6, 8, 10, 16, 18,
20, 22
-
Irradiation
Note 2
5, 7, 9, 11, 17, 19,
21, 23
12
1-4, 6, 8, 10, 13-
16, 18, 20, 22, 24
NOTES:
1. Each pin except VDD and GND will have a series resistor of 10K
±
5%, VDD = 18V
±
0.5V
2. Each pin except VDD and GND will have a series resistor of 47K
±
5%; Group E, Subgroup 2, sample size is 4 dice/wafer, 0 failures, VDD
= 10V
±
0.5V
Logic Diagram
FIGURE 1. LOGIC DIAGRAM (A-SECTION), 1 OF 4 IDENTICAL LATCHES
WITH COMMON OUTPUT DISABLE, RESET AND STROBE
TRUTH TABLE
RESET
DISABLE
STROBE
D INPUT
Q OUTPUT
0
0
1
1
1
0
0
1
0
0
0
0
0
X
LATCHED
1
0
X
X
0
X
1
X
X
Z
1 = HIGH LEVEL
0 = LOW LEVEL
X = DON’T CARE
Z = HIGH IMPEDANCE
VDD
VSS
ST
ST
VSS
VDD
ST
ST
ST
ST
p
n
p
n
TYPICAL LATCH
Qn-A
5(7, 9, 11)
OUTPUT
OUTPUT DISABLE
OUTPUT
DISABLE - A
OUTPUT DISABLE
3
1
RESET - A
Dn - A
STROBE - A
4(6, 8, 10)
2
*
*
*
* All inputs protected by CMOS protection network.
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