參數(shù)資料
型號: CY7C195B-12VC
廠商: CYPRESS SEMICONDUCTOR CORP
元件分類: DRAM
英文描述: 256 Kb (64K x 4) Static RAM
中文描述: 64K X 4 STANDARD SRAM, 12 ns, PDSO28
封裝: 8 X 18 MM, 3.50 MM HEIGHT, SOJ-28
文件頁數(shù): 6/13頁
文件大小: 256K
代理商: CY7C195B-12VC
CY7C194B
CY7C195B
Document #: 38-05409 Rev. *A
Page 6 of 13
AC Test Loads
AC Test Conditions
Thermal Resistance
5
Parameter
C1
C2
R1
R2
R3
R4
R
TH
V
TH
Description
Capacitor 1
Capacitor 2
Resistor 1
Resistor 2
Resistor 3
Resistor 4
Resistor Thevenin
Voltage Thevenin
Nom.
30
5
480
255
480
255
167
1.73
Unit
pF
V
Parameter
Θ
JA
Description
Thermal Resistance
(Junction to Ambi-
ent)
Thermal Resistance
(Junction to Case)
Conditions
Still Air, soldered on a
3 x 4.5 square inch-
es, two-layer printed
circuit board
28 SOJ
69
24 SOJ
TBD
28 DIP
TBD
24 DIP
TBD
Unit
°C/W
Θ
JC
29.84
TBD
TBD
TBD
Notes:
5. Test Conditions assume a transition time of 3ns or less, timing reference levels of 1.5V, input pulse levels of 0 to 3.0V
V
CC
V
SS
Rise Time
1 V/ns
Fall Time
1 V/ns
All Input Pulses
90%
10%
90%
10%
V
Output
R1
R2
C1
CC
V
Output
R3
C2
CC
R4
Output Loads
Output Loads
for t
HZOE
,t
HZCE
&t
HZWE
* including scope and jig capacitance
(B)*
(A)*
R
th
T
V
Thevenin Equivalent
相關(guān)PDF資料
PDF描述
CY7C195B-15VC 256 Kb (64K x 4) Static RAM
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
CY7C195B-15VC 制造商:Rochester Electronics LLC 功能描述:256K (64K X 4)- FAST ASYNCH SRAM - Bulk 制造商:Cypress Semiconductor 功能描述:
CY7C195B-25PC 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Cypress Semiconductor 功能描述:
CY7C196-20VC 制造商:Cypress Semiconductor 功能描述:
CY7C196-25VC 制造商:Rochester Electronics LLC 功能描述:- Bulk
CY7C19635PC 制造商:CYPRESS 功能描述:*