HY29F400 Datasheet, PDF (25/40 Pages) Hynix Semiconductor – 4 Megabit (512Kx8/256Kx16) 5 Volt-only Flash Memory

AC CHARACTERISTICS
HY29F400
Hardware Reset (RESET#)
Parameter
JEDEC Std
Description
Test Setup
Speed Option
Unit
- 45 - 55 - 70 - 90
t_READY
RESET# Pin Low (During Automatic
Algorithms) to Read or Write ¹
Max
20
µs
t_READY
RESET# Pin Low (NOT During Automatic
Algorithms) to Read or Write ¹
Max
500
ns
t_RP RESET# Pulse Width
t_RH RESET# High Time Before Read ¹
t_RB RY/BY# Recovery Time
Notes:
1. Not 100% tested.
2. See Figure 11 and Table 7 for test conditions.
Min
500
ns
Min
50
ns
Min
0
ns
RY/BY# _{0 V}
CE#, OE#
RESET#
RY/BY#
CE#, OE#
RESET#
t_RH
t_RP
t_Ready
Reset Timings NOT During Automatic Algorithms
t_Ready
t_RB
t_RP
Reset Timings During Automatic Algorithms
Figure 14. RESET# Timings
Rev. 5.2/May 01
25