DS2251T(1995) View Datasheet(PDF) - Dallas Semiconductor -> Maxim Integrated
Part Name
Description
Manufacturer
DS2251T Datasheet PDF : 19 Pages
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DS2251T
RPC AC CHARACTERISTICS – DBB READ
# PARAMETER
54 CS, A0 Setup to RD
55 CS, A0 Hold After RD
56 RD Pulse Width
57 CS, A0 to Data Out Delay
58 RD to Data Out Delay
59 RD to Data Float Delay
SYMBOL
tAR
tRA
tRR
tAD
tRD
tRDZ
RPC AC CHARACTERISTICS – DBB WRITE
# PARAMETER
SYMBOL
60 CS, A0 Setup to WR
tAW
61A CS, Hold After WR
tWA
61B A0, Hold After WR
tWA
62 WR Pulse Width
tWW
63 Data Setup to WR
tDW
64 Data Hold After WR
tWD
AC CHARACTERISTICS – DMA
# PARAMETER
65 DACK to WR or RD
66 RD or WR to DACK
67 DACK to Data Valid
68 RD or WR to DRQ Cleared
SYMBOL
tACC
tCAC
tACD
tCRQ
(tA = 0°C to70°C; VCC = 5V + 10%)
MIN
MAX
UNITS
0
ns
0
ns
160
ns
130
ns
0
130
ns
85
ns
(tA = 0°C to70°C; VCC = 5V + 10%)
MIN
MAX
UNITS
0
ns
0
ns
20
ns
20
ns
130
ns
20
ns
(tA = 0°C to70°C; VCC = 5V + 10%)
MIN
MAX
UNITS
0
ns
0
ns
0
130
ns
110
ns
121395 16/19
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