MT54W1MH18B Micron Semiconductor Products, Inc., MT54W1MH18B Datasheet - Page 17

• Manufacturer Part Number: MT54W1MH18B
• Description: 18Mb Qdrii SRAM, 1.8V Vdd, Hstl, 2-Word Burst,
• Manufacturer: Micron Semiconductor Products, Inc.

AC Test Conditions
18Mb: 1.8V V
MT54W1MH18B_H.fm – Rev. H, Pub. 3/03
Input pulse levels . . . . . . . . . . . . . . . . . . 0.25V to 1.25V
Input rise and fall times . . . . . . . . . . . . . . . . . . . . 0.7ns
Input timing reference levels . . . . . . . . . . . . . . . . 0.75V
Output reference levels . . . . . . . . . . . . . . . . . . .V
ZQ for 50 W impedance . . . . . . . . . . . . . . . . . . . . . 250 W
Output load . . . . . . . . . . . . . . . . . . . . . . . . . See Figure 5
DD
, HSTL, QDRIIb2 SRAM
DD
Q/2
17
2 MEG
1.8V V
Micron Technology, Inc., reserves the right to change products or specifications without notice.
SRAM
X
Output Load Equivalent
8, 1 MEG
DD
V
ZQ
, HSTL, QDRIIb2 SRAM
REF
Figure 5:
0.75V
250Ω
Z = 50Ω
X
O
18, 512K
V
©2003 Micron Technology, Inc.
DD
Q/2
50Ω
X
36