tsc251g1dxxx-l12ced ATMEL Corporation, tsc251g1dxxx-l12ced Datasheet - Page 59

• Manufacturer Part Number: tsc251g1dxxx-l12ced
• Description: 8/16-bit Microcontroller With Serial Communication Interfaces - 32kbytes Rom
• Manufacturer: ATMEL Corporation

Timings
Waveforms
Figure 23. EPROM Programming Waveforms
4135F–8051–11/06
EA#/VPP
ALE/PROG#
P1 = A15:8
P3 = A7:0
P2 = D7:0
V
V
V
P0
DD
PP
SS
Table 51. EPROM Programming AC timings; V
Table 52. EPROM Verifying AC timings; V
40°C
T
Symbol
Symbol
ELSH
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
GHAX
DVGL
GHDX
SHGL
GHSL
GLGH
AVGL
ELSH
SLEH
OSC
AVQV
AXQX
ELQV
EHQZ
OSC
T
T
AVGL
DVGL
T
SHGL
XTAL1 Period
Address Setup to PROG# low
Address Hold after PROG# low
Data Setup to PROG# low
Data Hold after PROG#
ENABLE High to V
V
V
ENABLE Hold after V
PROG# Width
Parameter
XTAL1 Period
Address to Data Valid
Address to Data Invalid
ENABLE low to Data Valid
Data Float after ENABLE
PP
PP
Setup to PROG# low
Hold after PROG#
Mode = 68h, 69h, 6Bh or 6Ch
T
Address
Data
GLGH
Parameter
PP
PP
T
GHDX
T
DD
GHAX
T
= 4.5 to 5.5 V, V
GHSL
DD
= 4.5 to 5.5 V, T
Min
AT/TSC8x251G2D
83.5
Min
0
0
0
83.5
48
48
48
48
48
10
10
90
0
T
SLEH
DD
= 2.7 to 5.5 V, T
A
Max
250
= 0 to 40°C
Max
48
48
48
250
110
A
Unit
T
T
T
Unit
T
T
T
T
T
ns
ns
OSC
OSC
OSC
ns
μs
μs
ns
μs
OSC
OSC
OSC
OSC
OSC
= 0 to
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