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AS7C3364NTD36B-166TQCN 参数 Datasheet PDF下载

AS7C3364NTD36B-166TQCN图片预览
型号: AS7C3364NTD36B-166TQCN
PDF下载: 下载PDF文件 查看货源
内容描述: [ZBT SRAM, 64KX36, 3.5ns, CMOS, PQFP100, 14 X 20 MM, LEAD FREE, TQFP-100]
分类和应用: 静态存储器内存集成电路
文件页数/大小: 19 页 / 437 K
品牌: ISSI [ INTEGRATED SILICON SOLUTION, INC ]
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AS7C3364NTD32B  
AS7C3364NTD36B  
®
Synchronous truth table[5,6,7,8,9,11]  
Address  
CE0 CE1 CE2 ADV/LD R/W  
BWn  
OE CEN source  
CLK  
Operation  
DQ  
High-Z  
High-Z  
High-Z  
High-Z  
Q
Notes  
H
X
X
X
L
X
X
L
X
H
X
X
L
L
L
L
H
L
H
L
H
L
H
L
X
X
X
X
H
X
H
X
L
X
X
X
X
X
X
X
X
L
X
X
X
X
L
L
L
L
L
L
L
L
L
L
L
L
NA  
NA  
NA  
NA  
L to H  
L to H  
L to H  
L to H  
DESELECT Cycle  
DESELECT Cycle  
DESELECT Cycle  
X
H
X
H
X
H
X
H
CONTINUE DESELECT Cycle  
READ Cycle (Begin Burst)  
READ Cycle (Continue Burst)  
1
External L to H  
Next L to H  
X
L
X
L
L
Q
1,10  
2
H
H
X
X
X
External L to H NOP/DUMMY READ (Begin Burst) High-Z  
X
L
X
L
Next L to H DUMMY READ (Continue Burst) High-Z 1,2,10  
External L to H  
WRITE CYCLE (Begin Burst)  
D
D
3
X
L
X
L
X
L
L
Next L to H WRITE CYCLE (Continue Burst)  
1,3,10  
H
External L to H NOP/WRITE ABORT (Begin Burst) High-Z 2,3  
1,2,3,  
10  
4
X
X
X
H
X
H
X
L
Next L to H WRITE ABORT (Continue Burst)  
High-Z  
-
X
X
X
X
X
X
X
H
Current L to H  
INHIBIT CLOCK  
Key: X = Don’t Care, H = HIGH, L = LOW. BWn = H means all byte write signals (BWa, BWb, BWc, and BWd) are HIGH. BWn = L means one or more byte write signals are LOW.  
Notes:  
1 CONTINUE BURST cycles, whether READ or WRITE, use the same control inputs. The type of cycle performed (READ or WRITE) is chose in the initial BEGIN BURST cycle.  
A CONINUE DESELECT cycle can only be entered if a DESELECT CYCLE is executed first.  
2 DUMMY READ and WRITE ABORT cycles can be considered NOPs because the device performs no external operation. A WRITE ABORT means a WRITE command is given,  
but no operation is performed.  
3 OE may be wired LOW to minimize the number of control signal to the SRAM. The device will automatically turn off the output drivers during a WRITE cycle. OE may be used  
when the bus turn-on and turn-off times do not meet an application’s requirements.  
4 If an INHIBIT CLOCK command occurs during a READ operation, the DQ bus will remain active (Low-Z). If it occurs during a WRITE cycle, the bus will remain in High-Z. No  
WRITE operations will be performed during the INHIBIT CLOCK cycle.  
5 BWa enables WRITEs to byte “a” (DQa pins); BWb enables WRITEs to byte “b” (DQb pins); BWc enables WRITEs to byte “c” (DQc pins); BWd enables WRITEs to byte “d”  
(DQd pins).  
6 All inputs except OE and ZZ must meet setup and hold times around the rising edge (LOW to HIGH) of CLK.  
7 Wait states are inserted by setting CEN HIGH.  
8 This device contains circuitry that will ensure that the outputs will be in High-Z during power-up.  
9 The device incorporates a 2-bit burst counter. Address wraps to the initial address every fourth BURST CYCLE.  
10 The address counter is incremented for all CONTINUE BURST cycles.  
11 ZZ pin is always Low.  
4/28/05; v.1.3  
Alliance Semiconductor  
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