參數(shù)資料
型號(hào): HM67S18258
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(chǔ)器(256k -字× 18位)(4分同步快速靜態(tài)隨機(jī)存儲(chǔ)器(256k字× 18位))
文件頁(yè)數(shù): 8/24頁(yè)
文件大?。?/td> 184K
代理商: HM67S18258
HM67S18258 Series
8
AC Test Conditions
Note
Temperature
Input Reference Point for Differential Signals
Input pulse levels
Clock Input pulse levels
Input Rise/Fall Time
Clock input Rise/Fall Time
Output timing reference (vih/vil)
0
°
C
Ta
70
°
C (Tj max = 110
°
C)
Differential Cross-Over Point
0 to 2.5 V
1.8 to 2.1 V
0.5 to 1.5 ns (10% to 90%)
0.3 to 1.0 ns (10% to 90%)
2.0 V/0.8 V for V
DDQ
= 3.3 V
1.65 V/1.15 V for V
DDQ
= 2.5 V
See figures
1
1
Output load
Note:
1. These levels are efficient under open termination load condition.
These vih/vil levels under termination load will be determined by correlation between open load
and termination load.
50
20pF
(Including scope and
jig capacitance)
I/O
1.4V
AC Timing Measurement
Vih
Vil
Vih
Vil
setup
setup
min
min
max
max
hold
hold
相關(guān)PDF資料
PDF描述
HM67S36130 4M Synchronous Fast Static RAM (128k-words ×36-bits)(4M同步快速靜態(tài)RAM(128k字 ×36位))
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