參數(shù)資料
型號(hào)： W78M64120SBI
廠商： MICROSEMI CORP-PMG MICROELECTRONICS
元件分類： PROM
英文描述： 8M X 64 FLASH 3.3V PROM, 120 ns, PBGA159
封裝： 13 X 22 MM, 1.27 MM PITCH, PLASTIC, BGA-159
文件頁(yè)數(shù)： 18/50頁(yè)
文件大?。?/td> 1679K
代理商： W78M64120SBI
25
White Electronic Designs Corporation (602) 437-1520 www.whiteedc.com
White Electronic Designs
W78M64VP-XSBX
November 2009
2010 White Electronic Designs Corp. All rights reserved
Rev. 10
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
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 33 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
tAVAVtRC
110
120
ns
Address Access Time
tAVQVtACC
110
120
ns
Chip Select Access Time
tELQVtCE
110
120
ns
Page Access Time
tPACC
25
ns
Output Enable to Output Valid (1)
tGLQVtOE
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
Read
tOEH
00
ns
Toggle and Data#
Polling
10
ns
Chip Enable Hold Time
tCEH
35
ns
Note: 1. tOE for data polling Zs 45ns when VIO = 1.65 to 2.7V and 35ns when VIO = 2.7 to 3V.
2.7 k
Ω
CL
6.2 k
Ω
3.3 V
Device
Under
Test
FIG: 4 TEST SETUP
TABLE 32 TEST SPECIFICATIONS
Test Condition
All Speeds
Unit
Output Load
1 TTL gate
Output Load Capacitance, CL (including jig capacitance)
30
pF
Input Rise and Fall Times
5
ns
Input Pulse Levels
0.0–VIO
V
Input timing measurement reference levels (See Note)
0.5VIO
V
Output timing measurement reference levels
0.5VIO
V
Note: If VIO < VCC, the reference level is 0.5 VIO.
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