參數(shù)資料
型號: W78M64VP120SBM
廠商: MICROSEMI CORP-PMG MICROELECTRONICS
元件分類: 存儲器
英文描述: SPECIALTY MEMORY CIRCUIT, PBGA156
封裝: 13 X 22 MM, PLASTIC, BGA-156
文件頁數(shù): 18/48頁
文件大小: 1548K
代理商: W78M64VP120SBM
25
White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
White Electronic Designs
W78M64VP-XSBX
October 2008
Rev. 2
ADVANCED
White Electronic Designs Corp. reserves the right to change products or specications without notice.
TABLE 31 AC TEST CONDITIONS
Parameter
Typ
Unit
Input Pulse Levels
VIL - 0, VIH = 2.5
V
Input Rise and Fall
5
ns
Input and Output Reference Level
1.5
V
Output Timing Reference Level
1.5
V
Notes:
VZ is programmable from -2V to +7V.
IOL & IOH programmable from 0 to 16 mA.
Tester Impedance Z0 = 50
Ω.
VZ is typically the midpoint of VOH and VOL.
IOL & IOH are adjusted to similate a typical resistive load circuit.
ATE tester Includes jig capacitance.
TABLE 32 AC CHARACTERISTICS - READ-ONLY OPERATIONS
VCC = 3.3V ± 0.3V, -55°C ≤ TA ≤ +125°C
Parameter
Symbol
-110
Min
Max
-120
Min
Max
Unit
Read Cycle Time (1)
tAVAV
tRC
110
120
ns
Address Access Time
tAVQV
tACC
110
120
ns
Chip Select Access Time
tELQV
tCE
110
120
ns
Page Access Time (1)
tPACC
110
120
ns
Output Enable to Output Valid
tOLQV
tOE
25
ns
Chip Select High to Output High Z
tEHQZ
tDF
20
ns
Output Enable High to Output High Z
tGHQZ
tDF
20
ns
Output Hold from Addresses, CS# or OE# Change, Whichever
occurs rst
tAXQX
tOH
00
ns
Output Enable Hold Time (1)
Read
tOEH
00
ns
Toggle and Data#
Polling
10
ns
Chip Enable Hold Time
tCEH
35
ns
Note:
1.
Not tested.
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