參數(shù)資料
型號: HM62G18256
廠商: Hitachi,Ltd.
英文描述: 4M Synchronous Fast Static RAM (256k-words ×18-bits)(4M同步快速靜態(tài)RAM(256k字 ×18位))
中文描述: 4分同步快速靜態(tài)存儲器(256k -字× 18位)(4分同步快速靜態(tài)隨機(jī)存儲器(256k字× 18位))
文件頁數(shù): 15/24頁
文件大?。?/td> 194K
代理商: HM62G18256
HM62G18256 Series
15
TAP AC Operating Characteristics
(Ta = 0C to 70C [Tj max = 110
°
C])
Parameter
Symbol
Min
Max
Unit
Note
Test Clock Cycle Time
t
THTH
t
THTL
t
TLTH
t
MVTH
t
THMX
t
CS
t
CH
t
DVTH
t
THDX
t
TLQX
t
TLQV
67
ns
Test Clock High Pulse Width
30
ns
Test Clock Low Pulse Width
30
ns
Test Mode Select Setup
10
ns
Test Mode Select Hold
10
ns
Capture Setup
10
ns
1
Capture Hold
10
ns
1
TDI Valid to TCK High
10
ns
TCK High to TDI Don’t Care
10
ns
TCK Low to TDO Unknown
0
ns
TCK Low to TDO Valid
Note:
1. t
CS
+ t
CH
defines the minimum pause in RAM I/O pad transitions to assure pad data capture.
20
ns
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